| Product, type | VoIP phone |
|---|---|
| Display, type | White backlighting grayscale display |
| Display location | Base |
| Display, resolution | 240 x 120 pixels |
| Number of lines | 2 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft keys; Two-way navigation and select keys; Service; Standard key pads; Volume control toggle; Speakerphone, headset, and mute |
| Volume control | Yes |
| Indicators | Backlit line buttons and a message waiting indicator; uses icons on the LCD to indicate activation of the headset, mute, and select buttons |
| Power Over Ethernet (PoE) | Supports IEEE 802.3af PoE. |
| Voice codecs | G.711 a-law and µ-law, G.722.2, G.722, G.729 (a, b, ab), ILBC, iSAC, OPUS |
| VoIP protocols | SIP, SRTP |
| Network protocols | IPv4, IPV6, SNTP, UDP, TCP, LLDP, Cisco Discovery Protocol |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) |
| QoS | The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100Base-TX |
| Color | Charcoal |
| Dimensions (W, D, H), mm | 171 x 38 x 207 (excluding foot stand) |
Cisco 6821 Phone for MPP
№ CP-6821-3PCC-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | Graphical monochrome display |
| Display location | Base |
| Display, resolution | 128 x 32 pixels |
| Number of lines | 1 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes |
| Caller identification | No |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Select, Back, and Two-Way Navigation buttons; Redial, Transfer, and Hold/Resume buttons; Mute, Volume Up/Down, and Speakerphone buttons; Standard dial pad |
| Volume control | Yes |
| Indicators | Message-waiting indicator |
| Power Over Ethernet (PoE) | 802.3af compliant Power over Ethernet |
| Voice codecs | G.711a, G.711µ, G.729, G.729a, G.729ab |
| VoIP protocols | SIP |
| Network protocols | RTCP, TFTP, DNS |
| IP configuration | DHCP, static |
| Voice functions | Voice activity detection (VAD) |
| QoS | IEEE 802.1p, IEEE 802.1Q (VLAN) |
| Wireless network | No |
| Ability to connect head-phones | No |
| Integrated switch | Yes |
| Number of network ports | 2x10/100Base-TX |
| Color | Charcoal |
| Dimensions (W, D, H), mm | 150 x 54 x 205 |
| Additional functions | Music on hold; 4-MB flash memory; 32-MB synchronous dynamic RAM (SDRAM) |
Cisco Unified SIP Phone 3905
№ CP-3905=
| Product, type | VoIP phone |
|---|---|
| Display, type | Greyscale display |
| Display location | Base |
| Display, resolution | 384 x 106 pixel-based display (3.2") |
| Number of lines | 1 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Soft-keys; Two-way navigation and select keys; Hold/Resume, Transfer and Conference keys; Messaging, Service and Directory keys; Standard key pads; Volume control toggle key; Speakerphone and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset and speakerphone), select key and message waiting. |
| Power Over Ethernet (PoE) | Supports IEEE 802.3af PoE. |
| Voice codecs | G.711a, G.711µ, G.729a, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported. |
| VoIP protocols | SIP |
| Network protocols | Cisco Discovery Protocol (CDP), SRTP |
| IP configuration | DHCP |
| QoS | The phone supports CDP and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | No |
| Integrated switch | Yes |
| Number of network ports | 2x10/100Base-TX |
| Color | Black |
| Dimensions (W, D, H), mm | 195 x 33 x 207 (exclude foot stand) |
Cisco IP Phone 7811 with Multiplatfor...
№ CP-7811-3PCC-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | High-resolution 3.5-inch white backlighting grayscale display |
| Display location | Base |
| Display, resolution | 396 x 162 pixels |
| Number of lines | 4 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft keys; Two-way navigation and select keys; Hold/Resume, Transfer, and Conference keys; Messaging, Service, and Directory keys; Standard key pads; Volume control toggle key; Speakerphone, headset, and mute keys |
| Volume control | Yes |
| Indicators | Backlit indicators on the audio path buttons (handset, headset, and speakerphone), select, line, and message waiting buttons. |
| Power Over Ethernet (PoE) | No |
| Voice codecs | G.711 a-law and µ-law, G.722.2, G.722, G.729 (a, b, ab), ILBC, iSAC, OPUS |
| VoIP protocols | SIP, SRTP |
| Network protocols | IPv4, IPV6, SNTP, UDP, TCP, LLDP, Cisco Discovery Protocol |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) |
| QoS | The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100/1000Base-T |
| Color | Charcoal |
| Dimensions (W, D, H), mm | 206 x 33 x 207 (excluding foot stand) |
Cisco 6841 Phone for MPP, NB Handset,...
№ CP-6841-3PW-CE-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | Greyscale display, White backlit |
| Display location | Base |
| Display, resolution | 396 x 162 pixel-based display (3.5") |
| Number of lines | 2 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft-keys; Two-way navigation and select keys; Hold/Resume, Transfer and Conference keys; Messaging, Service and Directory keys; Standard key pads; Volume control toggle key; Speakerphone, headset and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | Supports IEEE 802.3af PoE. |
| Voice codecs | G.711a, G.711µ, G.729a, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported. |
| VoIP protocols | SIP |
| Network protocols | Cisco Discovery Protocol (CDP), SRTP |
| IP configuration | DHCP |
| QoS | The phone supports CDP and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100Base-TX |
| Color | Black |
| Dimensions (W, D, H), mm | 206 x 28 x 207 (exclude foot stand) |
Cisco IP Phone 7821 with Multiplatfor...
№ CP-7821-3PCC-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | High-resolution 3.5-inch white backlighting grayscale display |
| Display location | Base |
| Display, resolution | 396 x 162 pixels |
| Number of lines | 4 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft keys; Two-way navigation and select keys; Hold/Resume, Transfer, and Conference keys; Messaging, Service, and Directory keys; Standard key pads; Volume control toggle key; Speakerphone, headset, and mute keys |
| Volume control | Yes |
| Indicators | Backlit indicators on the audio path buttons (handset, headset, and speakerphone), select, line, and message waiting buttons. |
| Power Over Ethernet (PoE) | Supports IEEE 802.3af PoE. |
| Voice codecs | G.711 a-law and µ-law, G.722.2, G.722, G.729 (a, b, ab), ILBC, iSAC, OPUS |
| VoIP protocols | SIP, SRTP |
| Network protocols | IPv4, IPV6, SNTP, UDP, TCP, LLDP, Cisco Discovery Protocol |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) |
| QoS | The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100/1000Base-T |
| Color | Charcoal |
| Dimensions (W, D, H), mm | 265 x 33 x 207 (excluding foot stand) |
Cisco 6851 Phone for MPP, Grey, NB Ha...
№ CP-6851-3PCC-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | Greyscale display, White backlit |
| Display location | Base |
| Display, resolution | 396 x 162 pixel-based display (3.5") |
| Number of lines | 4 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft-keys; Two-way navigation and select keys; Hold/Resume, Transfer and Conference keys; Messaging, Service and Directory keys; Standard key pads; Volume control toggle key; Speakerphone, headset and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | Supports IEEE 802.3af PoE. |
| Voice codecs | G.711a, G.711µ, G.729a, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported. |
| VoIP protocols | SIP |
| Network protocols | Cisco Discovery Protocol (CDP), SRTP |
| IP configuration | DHCP |
| QoS | The phone supports CDP and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100/1000Base-T |
| Color | Black |
| Dimensions (W, D, H), mm | 206 x 28 x 207 (exclude foot stand) |
Cisco IP Phone 7841 with Multiplatfor...
№ CP-7841-3PCC-K9=
| Product, type | Desk Phone |
|---|---|
| Display, type | 3.5-inch Grayscale LCD, backlit |
| Display location | Base |
| Display, resolution | 384 x160 pixels |
| Number of lines | 4 (Physical Line Keys), Maximum of supported line and programmable line keys: 4 |
| Dialing mechanism, type | Keypad; The dial pad is ADA-compliant |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | The full-duplex speakerphone provides flexibility in placing and receiving calls handsfree. For added security, the audible Dual Tone Multifrequency (DTMF) tones are masked when the speakerphone mode is used. |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Action button - built-in button that can be configured for any use case; One Button to Push (OBTP) to quickly join any meeting; Navigation and Select key |
| Volume control | Yes ( Adjustable ring tones and volIncreased audio quality with AI by converting narrowband audio to wideband audio. Built-in speaker is enhanced by a larger speaker driver and new bass-enhancing acoustic enclosure for more real, natural-sounding voices) |
| Indicators | The phones support backlit indicator for the physical buttons of Speakerphone, Headset and Mute, Calendar, Select as well as the line keys. Front arc LED and Top LED, to indicate the device status, including message waiting, missed call, hot desk and etc. |
| Power Over Ethernet (PoE) | IEEE Power over Ethernet class 2 |
| Voice codecs | OPUS, G.722, G.722.2, iSAC, G.711(a-law/µ-law), G.729a/b, and iLBC |
| VoIP protocols | SIP; Maximum of supported SIP lines: 130 for CUCM and Webex DI, 16 for Webex Calling and Open SIP platforms |
| Network protocols | SIP, SDP, IPv4, IPv6, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, LLDP, Cisco Discovery Protocol, EAP-FAST, EAP-TLS |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| Voice functions | VAD (Voice Activity Detection), Acoustic Shock Protection (Handset/headset), AEC (Acoustic Echo Cancellation), CNG (Comfort Noise Generation), Cisco smart audio, Cisco HD audio |
| Ability to connect head-phones | Wideband-capable audio handset (connects through the phone’s dedicated handset RJ-9 port). The handset is Hearing Aid-Compatible (HAC) and meets Federal Communications Commission (FCC Part 68) loudness requirements for the ADA |
| Integrated switch | An internal 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE- T Ethernet network (IEEE 802.3i/802.3u/802.3ab) through an RJ-45 interface with single LAN connectivity for both the phone and a co-located PC. |
Cisco Desk Phone 9841, Carbon Black
№ DP-9841-K9=
| Product, type | Desk Phone |
|---|---|
| Display, type | 3.5-inch Grayscale LCD, backlit |
| Display location | Base |
| Display, resolution | 384 x160 pixels |
| Number of lines | 4 (Physical Line Keys), Maximum of supported line and programmable line keys: 4 |
| Dialing mechanism, type | Keypad; The dial pad is ADA-compliant |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | The full-duplex speakerphone provides flexibility in placing and receiving calls handsfree. For added security, the audible Dual Tone Multifrequency (DTMF) tones are masked when the speakerphone mode is used. |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Action button - built-in button that can be configured for any use case; One Button to Push (OBTP) to quickly join any meeting; Navigation and Select key |
| Volume control | Yes ( Adjustable ring tones and volIncreased audio quality with AI by converting narrowband audio to wideband audio. Built-in speaker is enhanced by a larger speaker driver and new bass-enhancing acoustic enclosure for more real, natural-sounding voices) |
| Indicators | The phones support backlit indicator for the physical buttons of Speakerphone, Headset and Mute, Calendar, Select as well as the line keys. Front arc LED and Top LED, to indicate the device status, including message waiting, missed call, hot desk and etc. |
| Power Over Ethernet (PoE) | IEEE Power over Ethernet class 2 |
| Voice codecs | OPUS, G.722, G.722.2, iSAC, G.711(a-law/µ-law), G.729a/b, and iLBC |
| VoIP protocols | SIP; Maximum of supported SIP lines: 130 for CUCM and Webex DI, 16 for Webex Calling and Open SIP platforms |
| Network protocols | SIP, SDP, IPv4, IPv6, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, LLDP, Cisco Discovery Protocol, EAP-FAST, EAP-TLS |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| Voice functions | VAD (Voice Activity Detection), Acoustic Shock Protection (Handset/headset), AEC (Acoustic Echo Cancellation), CNG (Comfort Noise Generation), Cisco smart audio, Cisco HD audio |
| Ability to connect head-phones | Wideband-capable audio handset (connects through the phone’s dedicated handset RJ-9 port). The handset is Hearing Aid-Compatible (HAC) and meets Federal Communications Commission (FCC Part 68) loudness requirements for the ADA |
| Integrated switch | An internal 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE- T Ethernet network (IEEE 802.3i/802.3u/802.3ab) through an RJ-45 interface with single LAN connectivity for both the phone and a co-located PC. |
Cisco Desk Phone 9841, First Light (W...
№ DP-9841-L-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | Greyscale display |
| Display location | Base |
| Display, resolution | 384 x 106 pixel-based display (3.2") |
| Number of lines | 1 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Soft-keys; Two-way navigation and select keys; Hold/Resume, Transfer and Conference keys; Messaging, Service and Directory keys; Standard key pads; Volume control toggle key; Speakerphone and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset and speakerphone), select key and message waiting. |
| Power Over Ethernet (PoE) | Supports IEEE 802.3af PoE. |
| Voice codecs | G.711a, G.711µ, G.729a, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported. |
| VoIP protocols | SIP |
| Network protocols | Cisco Discovery Protocol (CDP), SRTP |
| IP configuration | DHCP |
| QoS | The phone supports CDP and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | No |
| Integrated switch | Yes |
| Number of network ports | 2x10/100Base-TX |
| Color | Black |
| Dimensions (W, D, H), mm | 195 x 33 x 207 (exclude foot stand) |
Cisco UC Phone 7811
№ CP-7811-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | Greyscale display, White backlit |
| Display location | Base |
| Display, resolution | 396 x 162 pixel-based display (3.5") |
| Number of lines | 2 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft-keys; Two-way navigation and select keys; Hold/Resume, Transfer and Conference keys; Messaging, Service and Directory keys; Standard key pads; Volume control toggle key; Speakerphone, headset and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | Supports IEEE 802.3af PoE. |
| Voice codecs | G.711a, G.711µ, G.729a, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported. |
| VoIP protocols | SIP |
| Network protocols | Cisco Discovery Protocol (CDP), SRTP |
| IP configuration | DHCP |
| QoS | The phone supports CDP and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100Base-TX |
| Color | Black |
| Dimensions (W, D, H), mm | 206 x 28 x 207 (exclude foot stand) |
Cisco UC Phone 7821
№ CP-7821-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | Greyscale display, White backlit |
| Display location | Base |
| Display, resolution | 396 x 162 pixel-based display (3.5") |
| Number of lines | 16 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft-keys; Two-way navigation and select keys; Hold/Resume, Transfer and Conference keys; Messaging, Service and Directory keys; Standard key pads; Volume control toggle key; Speakerphone, headset and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | Supports IEEE 802.3af PoE. |
| Voice codecs | G.711a, G.711µ, G.729a, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported. |
| VoIP protocols | SIP |
| Network protocols | Cisco Discovery Protocol (CDP), SRTP |
| IP configuration | DHCP |
| QoS | The phone supports CDP and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100Base-TX |
| Color | Black |
| Dimensions (W, D, H), mm | 265 x 28 x 207 (exclude foot stand) |
Cisco IP Phone 7861 with Multiplatfor...
№ CP-7861-3PCC-K9=
| Product, type | Desk Phone |
|---|---|
| Display, type | 3.7-inch Color LCD, backlit |
| Display location | Base |
| Display, resolution | 480 x 240 pixels |
| Number of lines | 6 (Physical Line Keys), Maximum of supported line and programmable line keys: 46 |
| Dialing mechanism, type | Keypad; The dial pad is ADA-compliant |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | The full-duplex speakerphone provides flexibility in placing and receiving calls handsfree. For added security, the audible Dual Tone Multifrequency (DTMF) tones are masked when the speakerphone mode is used. |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Action button - built-in button that can be configured for any use case; One Button to Push (OBTP) to quickly join any meeting; Navigation and Select key |
| Volume control | Yes ( Adjustable ring tones and volIncreased audio quality with AI by converting narrowband audio to wideband audio. Built-in speaker is enhanced by a larger speaker driver and new bass-enhancing acoustic enclosure for more real, natural-sounding voices) |
| Indicators | The phones support backlit indicator for the physical buttons of Speakerphone, Headset and Mute, Calendar, Select as well as the line keys. Front arc LED and Top LED, to indicate the device status, including message waiting, missed call, hot desk and etc. |
| Power Over Ethernet (PoE) | IEEE Power over Ethernet class 3 |
| Voice codecs | OPUS, G.722, G.722.2, iSAC, G.711(a-law/µ-law), G.729a/b, and iLBC |
| VoIP protocols | SIP; Maximum of supported SIP lines: 130 for CUCM and Webex DI, 16 for Webex Calling and Open SIP platforms |
| Network protocols | SIP, SDP, IPv4, IPv6, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, LLDP, Cisco Discovery Protocol, EAP-FAST, EAP-TLS |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| Voice functions | VAD (Voice Activity Detection), Acoustic Shock Protection (Handset/headset), AEC (Acoustic Echo Cancellation), CNG (Comfort Noise Generation), Cisco smart audio, Cisco HD audio |
| Ability to connect head-phones | Wideband-capable audio handset (connects through the phone’s dedicated handset RJ-9 port). The handset is Hearing Aid-Compatible (HAC) and meets Federal Communications Commission (FCC Part 68) loudness requirements for the ADA |
| Integrated switch | An internal 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE- T Ethernet network (IEEE 802.3i/802.3u/802.3ab) through an RJ-45 interface with single LAN connectivity for both the phone and a co-located PC. |
| Color | Black |
Cisco Desk Phone 9851, Carbon Black
№ DP-9851-K9=
| Product, type | Desk Phone |
|---|---|
| Display, type | 3.7-inch Color LCD, backlit |
| Display location | Base |
| Display, resolution | 480 x 240 pixels |
| Number of lines | 6 (Physical Line Keys), Maximum of supported line and programmable line keys: 46 |
| Dialing mechanism, type | Keypad; The dial pad is ADA-compliant |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | The full-duplex speakerphone provides flexibility in placing and receiving calls handsfree. For added security, the audible Dual Tone Multifrequency (DTMF) tones are masked when the speakerphone mode is used. |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Action button - built-in button that can be configured for any use case; One Button to Push (OBTP) to quickly join any meeting; Navigation and Select key |
| Volume control | Yes ( Adjustable ring tones and volIncreased audio quality with AI by converting narrowband audio to wideband audio. Built-in speaker is enhanced by a larger speaker driver and new bass-enhancing acoustic enclosure for more real, natural-sounding voices) |
| Indicators | The phones support backlit indicator for the physical buttons of Speakerphone, Headset and Mute, Calendar, Select as well as the line keys. Front arc LED and Top LED, to indicate the device status, including message waiting, missed call, hot desk and etc. |
| Power Over Ethernet (PoE) | IEEE Power over Ethernet class 3 |
| Voice codecs | OPUS, G.722, G.722.2, iSAC, G.711(a-law/µ-law), G.729a/b, and iLBC |
| VoIP protocols | SIP; Maximum of supported SIP lines: 130 for CUCM and Webex DI, 16 for Webex Calling and Open SIP platforms |
| Network protocols | SIP, SDP, IPv4, IPv6, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, LLDP, Cisco Discovery Protocol, EAP-FAST, EAP-TLS |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| Voice functions | VAD (Voice Activity Detection), Acoustic Shock Protection (Handset/headset), AEC (Acoustic Echo Cancellation), CNG (Comfort Noise Generation), Cisco smart audio, Cisco HD audio |
| Ability to connect head-phones | Wideband-capable audio handset (connects through the phone’s dedicated handset RJ-9 port). The handset is Hearing Aid-Compatible (HAC) and meets Federal Communications Commission (FCC Part 68) loudness requirements for the ADA |
| Integrated switch | An internal 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE- T Ethernet network (IEEE 802.3i/802.3u/802.3ab) through an RJ-45 interface with single LAN connectivity for both the phone and a co-located PC. |
Cisco Desk Phone 9851, First Light (W...
№ DP-9851-L-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | High-resolution (800 x 480) widescreen VGA backlit grayscale display |
| Display location | Base |
| Display, resolution | 800 x 480 pixels |
| Number of lines | 5 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft keys; Back and release keys; Four-way navigation and select keys; Hold/Resume, Transfer, and Conference keys; Messaging, Application, and Directory keys; Standard keypad; Volume-control toggle key; Speakerphone, headset, and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset, and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | IEEE 802.3af and IEEE 802.3at PoE |
| Voice codecs | G.711 a-law and µ-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) |
| VoIP protocols | SIP |
| Network protocols | SDP, IPv4 and IPv6, UDP, GARP, DNS, TFTP, HTTPS, RTP, RTCP, Cisco Peer-to-Peer Distribution Protocol (PPDP), Cisco Discovery Protocol, LLDP (including LLDP-MED) |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| QoS | The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100/1000Base-T |
| Color | Charcoal |
| Dimensions (W, D, H), mm | 257 x 40 x 229 (excluding foot stand) |
Cisco IP Phone 8811 with Multiplatfor...
№ CP-8811-3PCC-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | High-resolution (800 x 480) widescreen VGA backlit color display |
| Display location | Base |
| Display, resolution | 800 x 480 pixels |
| Number of lines | 5 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft keys; Back and release keys; Four-way navigation and select keys; Hold/Resume, Transfer, and Conference keys; Messaging, Application, and Directory keys; Standard keypad; Volume-control toggle key; Speakerphone, headset, and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset, and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | IEEE 802.3af and IEEE 802.3at PoE |
| Voice codecs | G.711 a-law and µ-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) |
| VoIP protocols | SIP |
| Network protocols | SDP, IPv4 and IPv6, UDP, GARP, DNS, TFTP, HTTPS, RTP, RTCP, Cisco Peer-to-Peer Distribution Protocol (PPDP), Cisco Discovery Protocol, LLDP (including LLDP-MED) |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| QoS | The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100/1000Base-T |
| Color | Charcoal |
| Dimensions (W, D, H), mm | 257 x 40 x 229 (excluding foot stand) |
Cisco IP Phone 8841 with Multiplatfor...
№ CP-8841-3PCC-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | Greyscale display, White backlit |
| Display location | Base |
| Display, resolution | 396 x 162 pixel-based display (3.5") |
| Number of lines | 4 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft-keys; Two-way navigation and select keys; Hold/Resume, Transfer and Conference keys; Messaging, Service and Directory keys; Standard key pads; Volume control toggle key; Speakerphone, headset and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | Supports IEEE 802.3af PoE. |
| Voice codecs | G.711a, G.711µ, G.729a, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported. |
| VoIP protocols | SIP |
| Network protocols | Cisco Discovery Protocol (CDP), SRTP |
| IP configuration | DHCP |
| QoS | The phone supports CDP and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100/1000Base-T |
| Color | Black |
| Dimensions (W, D, H), mm | 206 x 28 x 207 (exclude foot stand) |
Cisco UC Phone 7841
№ CP-7841-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | Greyscale display, White backlit |
| Display location | Base |
| Display, resolution | 396 x 162 pixel-based display (3.5") |
| Number of lines | 16 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft-keys; Two-way navigation and select keys; Hold/Resume, Transfer and Conference keys; Messaging, Service and Directory keys; Standard key pads; Volume control toggle key; Speakerphone, headset and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | Supports IEEE 802.3af PoE. |
| Voice codecs | G.711a, G.711µ, G.729a, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported. |
| VoIP protocols | SIP |
| Network protocols | Cisco Discovery Protocol (CDP), SRTP |
| IP configuration | DHCP |
| QoS | The phone supports CDP and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100Base-TX |
| Color | Black |
| Dimensions (W, D, H), mm | 265 x 28 x 207 (exclude foot stand) |
Cisco UC Phone 7861
№ CP-7861-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | High-resolution (800 x 480) widescreen VGA backlit color display |
| Display location | Base |
| Display, resolution | 800 x 480 pixels |
| Number of lines | 5 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft keys; Back and release keys; Four-way navigation and select keys; Hold/Resume, Transfer, and Conference keys; Messaging, Application, and Directory keys; Standard keypad; Volume-control toggle key; Speakerphone, headset, and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset, and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | IEEE 802.3af and IEEE 802.3at PoE |
| Voice codecs | G.711 a-law and µ-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) |
| VoIP protocols | SIP |
| Network protocols | SDP, IPv4 and IPv6, UDP, GARP, DNS, TFTP, HTTPS, RTP, RTCP, Cisco Peer-to-Peer Distribution Protocol (PPDP), Cisco Discovery Protocol, LLDP (including LLDP-MED) |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| QoS | The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100/1000Base-T |
| Color | Charcoal |
| Dimensions (W, D, H), mm | 257 x 40 x 229 (excluding foot stand) |
| Additional functions | Up to two optional IP Phone 8800 Key Expansion Modules with up to 72 additional line/feature keys are supported; USB port; Bluetooth 3.0 |
Cisco IP Phone 8851 with Multiplatfor...
№ CP-8851-3PCC-K9=
| Product, type | Desk Phone |
|---|---|
| Display, type | 5-inch Color LCD, backlit |
| Display location | Base |
| Display, resolution | 800 x 480 pixels |
| Number of lines | 10 (Physical Line Keys), Maximum of supported line and programmable line keys: 130 |
| Dialing mechanism, type | Keypad; The dial pad is ADA-compliant |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | The full-duplex speakerphone provides flexibility in placing and receiving calls handsfree. For added security, the audible Dual Tone Multifrequency (DTMF) tones are masked when the speakerphone mode is used. |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Action button - built-in button that can be configured for any use case; One Button to Push (OBTP) to quickly join any meeting; Navigation and Select key; Calendar button |
| Volume control | Yes ( Adjustable ring tones and volIncreased audio quality with AI by converting narrowband audio to wideband audio. Built-in speaker is enhanced by a larger speaker driver and new bass-enhancing acoustic enclosure for more real, natural-sounding voices) |
| Indicators | The phones support backlit indicator for the physical buttons of Speakerphone, Headset and Mute, Calendar as well as the line keys . Front arc LED and Top LED, to indicate the device status, including message waiting, missed call, hot desk and etc. |
| Power Over Ethernet (PoE) | IEEE Power over Ethernet class 3, IEEE Power over Ethernet class 3, enables one KEM via the USB-A port |
| Voice codecs | OPUS, G.722, G.722.2, iSAC, G.711(a-law/µ-law), G.729a/b, and iLBC |
| VoIP protocols | SIP; Maximum of supported SIP lines: 130 for CUCM and Webex DI, 16 for Webex Calling and Open SIP platforms |
| Network protocols | SIP, SDP, IPv4, IPv6, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, LLDP, Cisco Discovery Protocol, EAP-FAST, EAP-TLS |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| Voice functions | VAD (Voice Activity Detection), Acoustic Shock Protection (Handset/headset), AEC (Acoustic Echo Cancellation), CNG (Comfort Noise Generation), Cisco smart audio, Cisco HD audio |
| Wireless network | 802.11a/b/g/n/ac, 2.4 GHz / 5 GHz dual bands; Bluetooth v5.2 |
| Ability to connect head-phones | Wideband-capable audio handset (connects through the phone’s dedicated handset RJ-9 port). The handset is Hearing Aid-Compatible (HAC) and meets Federal Communications Commission (FCC Part 68) loudness requirements for the ADA |
| Number of network ports | 1x10/100/1000ase-T |
| Color | Carbon Black |
Cisco Desk Phone 9861, Carbon Black
№ DP-9861-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | High-resolution (800 x 480) widescreen VGA backlit color display |
| Display location | Base |
| Display, resolution | 800 x 480 pixels |
| Number of lines | 5 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft keys; Back and release keys; Four-way navigation and select keys; Hold/Resume, Transfer, and Conference keys; Messaging, Application, and Directory keys; Standard keypad; Volume-control toggle key; Speakerphone, headset, and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset, and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | IEEE 802.3af and IEEE 802.3at PoE |
| Voice codecs | G.711 a-law and µ-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) |
| VoIP protocols | SIP |
| Network protocols | SDP, IPv4 and IPv6, UDP, GARP, DNS, TFTP, HTTPS, RTP, RTCP, Cisco Peer-to-Peer Distribution Protocol (PPDP), Cisco Discovery Protocol, LLDP (including LLDP-MED) |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| QoS | The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | IEEE 802.11a/b/g/n/ac (Wi-Fi) |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100/1000Base-T |
| Color | Charcoal |
| Dimensions (W, D, H), mm | 257 x 40 x 229 (excluding foot stand) |
| Additional functions | Up to three optional IP Phone 8800 Key Expansion Modules can be supported for 108 additional line/feature keys; 2 x USB ports; Bluetooth 3.0 |
Cisco IP Phone 8861 with Multiplatfor...
№ CP-8861-3PCC-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | High-resolution (800 x 480) widescreen VGA backlit grayscale display |
| Display location | Base |
| Display, resolution | 800 x 480 pixels |
| Number of lines | 5 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft keys; Back and release keys; Four-way navigation and select keys; Hold/Resume, Transfer, and Conference keys; Messaging, Application, and Directory keys; Standard keypad; Volume-control toggle key; Speakerphone, headset, and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset, and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | IEEE 802.3af and IEEE 802.3at PoE |
| Voice codecs | G.711 a-law and µ-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) |
| VoIP protocols | SIP |
| Network protocols | SDP, IPv4 and IPv6, UDP, GARP, DNS, TFTP, HTTPS, RTP, RTCP, Cisco Peer-to-Peer Distribution Protocol (PPDP), Cisco Discovery Protocol, LLDP (including LLDP-MED) |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| QoS | The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100/1000Base-T |
| Color | Charcoal |
| Dimensions (W, D, H), mm | 257 x 40 x 229 (excluding foot stand) |
Cisco IP Phone 8811
№ CP-8811-K9=
| Product, type | VoIP phone |
|---|---|
| Display, type | High-resolution (800 x 480) widescreen VGA backlit color display |
| Display location | Base |
| Display, resolution | 800 x 480 pixels |
| Number of lines | 5 |
| Dialing mechanism, type | Keypad |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | Yes (full-duplex) |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Line keys; Soft keys; Back and release keys; Four-way navigation and select keys; Hold/Resume, Transfer, and Conference keys; Messaging, Application, and Directory keys; Standard keypad; Volume-control toggle key; Speakerphone, headset, and mute keys |
| Volume control | Yes |
| Indicators | The phone supports backlit indicators for the audio path keys (handset, headset, and speakerphone), select key, line keys, and message waiting. |
| Power Over Ethernet (PoE) | IEEE 802.3af and IEEE 802.3at PoE |
| Voice codecs | G.711 a-law and µ-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) |
| VoIP protocols | SIP |
| Network protocols | SDP, IPv4 and IPv6, UDP, GARP, DNS, TFTP, HTTPS, RTP, RTCP, Cisco Peer-to-Peer Distribution Protocol (PPDP), Cisco Discovery Protocol, LLDP (including LLDP-MED) |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| QoS | The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Wireless network | No |
| Ability to connect head-phones | Yes |
| Integrated switch | Yes |
| Number of network ports | 2x10/100/1000Base-T |
| Color | Charcoal |
| Dimensions (W, D, H), mm | 257 x 40 x 229 (excluding foot stand) |
Cisco IP Phone 8841
№ CP-8841-K9=
| Product, type | Desk Phone |
|---|---|
| Display, type | 5-inch Color Touch LCD, backlit |
| Display location | Base |
| Display, resolution | 1280 x 720 pixels |
| Number of lines | N/A (Physical Line Keys), Maximum of supported line and programmable line keys: 128 |
| Dialing mechanism, type | Keypad; The dial pad is ADA-compliant |
| Dialing mechanism location | Base |
| Conference calls | Yes |
| Speakerphone | The full-duplex speakerphone provides flexibility in placing and receiving calls handsfree. For added security, the audible Dual Tone Multifrequency (DTMF) tones are masked when the speakerphone mode is used. |
| Caller identification | Yes |
| Call hold | Yes |
| Voicemail | Yes |
| Call forwarding | Yes |
| Call transfer | Yes |
| Function keys | Action button - built-in button that can be configured for any use case; One Button to Push (OBTP) to quickly join any meeting; Navigation and Select key; Calendar button; Home button |
| Volume control | Yes ( Adjustable ring tones and volIncreased audio quality with AI by converting narrowband audio to wideband audio. Built-in speaker is enhanced by a larger speaker driver and new bass-enhancing acoustic enclosure for more real, natural-sounding voices) |
| Indicators | The phones support backlit indicator for the physical buttons of Speakerphone, Headset and Mute, Calendar, Home as well as the line keys . Front arc LED and Top LED, to indicate the device status, including message waiting, missed call, hot desk and etc. |
| Power Over Ethernet (PoE) | IEEE Power over Ethernet class 3, IEEE Power over Ethernet class 3, enables one KEM via the USB-A port |
| Voice codecs | OPUS, G.722, G.722.2, iSAC, G.711(a-law/µ-law), G.729a/b, and iLBC |
| VoIP protocols | SIP; Maximum of supported SIP lines: 130 for CUCM and Webex DI, 16 for Webex Calling and Open SIP platforms |
| Network protocols | SIP, SDP, IPv4, IPv6, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, LLDP, Cisco Discovery Protocol, EAP-FAST, EAP-TLS |
| IP configuration | Dynamic Host Configuration Protocol (DHCP) client or static configuration |
| Voice functions | VAD (Voice Activity Detection), Acoustic Shock Protection (Handset/headset), AEC (Acoustic Echo Cancellation), CNG (Comfort Noise Generation), Cisco smart audio, Cisco HD audio |
| Wireless network | 802.11a/b/g/n/ac, 2.4 GHz / 5 GHz dual bands; Bluetooth v5.2 |
| Ability to connect head-phones | Wideband-capable audio handset (connects through the phone’s dedicated handset RJ-9 port). The handset is Hearing Aid-Compatible (HAC) and meets Federal Communications Commission (FCC Part 68) loudness requirements for the ADA |
| Number of network ports | 1x10/100/1000ase-T |
Cisco Desk Phone 9871, Carbon Black
№ DP-9871-K9=
