| Display | ●9841: 3.5-inch Grayscale LCD, 384 x160 resolution, backlit ●9851: 3.7-inch Color LCD, 480 x 240 resolution, backlit ●9861: 5-inch Color LCD, 800 x 480 resolution, backlit ●9871: 5-inch Color Touch LCD, 1280 x 720 resolution, backlit ●9800 KEM: 5-inch Color LCD, 480 x 800 resolution, backlit |
| Audio (*may vary depending on the codec) | ●Frequency response: 100 Hz – 20 kHz for handsfree speaker ●FEC (Forward Error Correction) ●AEC (Acoustic Echo Cancellation) ●AGC (Automatic Gain Control) ●CNG (Comfort Noise Generation) ●VAD (Voice Activity Detection) ●PLC (Packet Loss Concealment) ●Silence Suppression* ●Acoustic Shock Protection (Handset/headset) ●Adaptive Jitter Buffer ●Dual Tone Multi-Frequency (DTMF) tone generation (RFC 2833 and in-band) ●Cisco HD audio, TIA-810/920 and ETSI ES 202 737/738/739/740 compliant ●Cisco smart audio ◦Conventional and AI based background noise and voice removal for sending side ◦Conventional and AI based background noise removal for receiving side (9861 and 9871) ◦Enhances the in-call experience for PSTN calls by extending low-fidelity (narrowband) audio to high-definition (wideband) (9861 and 9871) ●Ultrasonic support ●HAC (Hearing Aid Compatible) handset |
| Audio codec support | ●OPUS, G.722, G.722.2, iSAC, G.711(a-law/μ-law), G.729a/b, and iLBC |
| Physical Line Keys | ●9841: 4 ●9851: 6 ●9861: 10 ●9871: N/A ●9800 KEM: 20 (2 pages) |
| Maximum of supported line and programmable line keys | ●9841: 4 ●9851: 46 ●9861: 130 ●9871: 128 |
| Maximum of supported SIP lines | ●130 for CUCM and Webex DI ●16 for Webex Calling and Open SIP platforms |
| Hard keys | ●Action button ●Calendar button (9851 and 9861) ●Favorite button ●Hold/Resume, Transfer, and Conference keys ●Application key ●Directory key ●Standard keypad ●Volume-control toggle key ●Speakerphone, Headset, and Mute keys ●Navigation and Select key (9841, 9851 and 9861) ●Home button (9871 only) ●Page keys (9800 KEM only) |
| Backlit indicator | ●The phones support backlit indicator for the physical buttons of Speakerphone, Headset and Mute, Calendar (9851 and 9861), Select (9841, 9851 and 9861) and Home (9871 only) as well as the line keys. ●The phones also support two specific LEDs, Front arc LED and Top LED, to indicate the device status, including message waiting, missed call, hot desk availability, etc. |
| Handset | ●Wideband-capable audio handset (connects through the phone’s dedicated handset RJ-9 port). ●The handset coiled cord has a custom end for concealed cable routing beneath the phone (cord length is approximately 21 in. [55 cm (about 1.8 ft)] coiled and up to 72 in. (183 cm (about 6 ft)) extended). ●The handset is Hearing Aid-Compatible (HAC) and meets Federal Communications Commission (FCC Part 68) requirements for the Americans with Disabilities Act (ADA). You can achieve Section 508 loudness requirements by using industry-standard inline handset amplifiers such as Walker Equipment W-10 or CE-100 amplifiers. |
| Dial pad | ●The dial pad is ADA-compliant. |
| 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. |
| USB and Auxiliary ports | ●9841: ◦One USB-A port: The USB-A port provides 0.25A power output at 5V or 1.25W under PoE, and 0.5A power output at 5V or 2.5W when using the Cisco Power Adapter 3 (local power supply). ◦One Auxiliary port (console log collection only). ●9851: ◦One USB-A port: The USB-A port provides 0.5A power output at 5V or 2.5W under PoE, and 1A power output at 5V or 5W when using the Cisco Power Adapter 3 (local power supply). ◦One USB-C port: The USB-C port provides 0.5A power output at 5V or 2.5W under PoE or when using the Cisco Power Adapter 3 (local power supply). ●9861 and 9871: ◦One USB-A port: The USB-A port provides 0.5A power output at 5V or 2.5W under PoE, and 1.3A power output at 5V or 6.5W when using the Cisco Power Adapter 3 (local power supply). ◦One USB-C port: The USB-C port provides 0.5A power output at 5V or 2.5W under POE or when using the Cisco Power Adapter 3 (local power supply). ●9800 KEM: ◦One USB-A female port: ◦ When one 9800 KEM connected with the 9851, the USB-A port provides 0.15A power output at 5V or 0.75W under PoE, and 0.5A power output at 5V or 2.5W when using the Cisco Power Adapter 3 (local power supply). ◦ When one 9800 KEM is connected with the 9861 or 9871, the USB-A port provides 0.15A power output at 5V or 0.75W under PoE, and 1A power output at 5V or 5W when using the Cisco Power Adapter 3 (local power supply). ◦ When two 9800 KEMs are connected with the 9861 or 9871, the USB-A port provides 0.5A power output at 5V or 2.5W when using the Cisco Power Adapter 3 (local power supply). ◦ When three 9800 KEMs are connected with the 9861 or 9871, the USB-A port provides 0.15A power output at 5V or 0.75W when using the Cisco Power Adapter 3 (local power supply). ●One USB-A male port: The USB-A port on 9800 KEM draws power from the phone’s USB-A port under PoE or when using the Cisco Power Adapter 3 (local power supply). ●The charging capability depends on the maximum output power of the USB port on the phone in various deployment modes. If a connected device attempts to draw more power than the USB port's maximum output, a warning message will pop up, prompting you to unplug the device. |
| Ethernet 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. ●The system administrator can designate separate VLANs (IEEE 802.1Q) for the PC and phone, providing improved security and reliability of voice and data traffic. |
| Bluetooth® wireless Technology* | ●The 9861 and 9871 (excluding no-radio variants) feature Bluetooth wireless technology ◦Bluetooth version: 5.2 (Bluetooth® Low Energy) ◦Bluetooth Enhanced Data Rate (EDR) ◦Bluetooth Class 1 ◦Support for Wideband and Narrowband codecs ◦Bluetooth Profiles: Hands-Free Profile (HFP) Advanced Audio Distribution Profile (A2DP) Human Interface Device Profile (HID) Phone Book Access Profile (PBAP) |
| Wi-Fi® | ●The 9861 and 9871 (excluding no-radio variants) are Wi-Fi CERTIFIED™ supporting 802.11a/b/g/n/ac, 2.4 GHz / 5 GHz dual bands. ●Authentication: ◦WPA (Wi-Fi Protected Access), WPA2 (Wi-Fi Protected Access II), and WPA3 (Wi-Fi Protected Access III) in both Personal and Enterprise modes ◦Extensible Authentication Protocol – Flexible Authentication via Secure Tunneling (EAP-FAST) ◦Protected Extensible Authentication Protocol – Generic Token Card (PEAP-GTC) ◦Protected Extensible Authentication Protocol – Microsoft Challenge Handshake Authentication Protocol Version 2 (PEAP-MSCHAPv2) ◦Extensible Authentication Protocol – Transport Layer Security (EAP-TLS) ●Encryption: ◦Temporal Key Integrity Protocol (TKIP) and Message Integrity Check (MIC) ◦Advanced Encryption Standard (AES) ●Robust management frame protection: BIP-CMAC-128 ●Wi-Fi standards: ◦IEEE 802.11 a,b,d,e,g,h,i,n,r,ac ◦Wi-Fi MultiMedia (WMM) ◦Unscheduled Automatic Power Save Delivery (UAPSD) ●Antenna Type: Dipole (On-Board) ●Antenna Gain (dBi): ◦9861: ◦ 2.4G: 3:06 ◦ 5G: 4.11 ◦9871: ◦ 2.4G: 3.22 ◦ 5G: 4.23 ●Frequency Band (MHz) ◦9861: ◦ 2.4G: 2412.0 - 2472.0 ◦ 5G: 5150.0 - 5250.0, 5250.0 - 5350.0, 5470.0 - 5725.0, 5745.0 - 5825.0 ◦9871: ◦ 2.4G: 2412.0 - 2472.0 ◦ 5G: 5150.0 - 5250.0, 5250.0 - 5350.0, 5470.0 - 5725.0, 5745.0 - 5825.0 ●Maximum EIRP for Mexico (dBm) ◦9861: ◦ 2.4G: 20.05 ◦ 5G: 17.03 ◦9871: ◦ 2.4G: 20.19 ◦ 5G: 17.21 |
| Power | ●IEEE Power over Ethernet class 2 (9841) ●IEEE Power over Ethernet class 3 (9851, 9861 and 9871) ●Input rating: 0.42A, 48V DC ●The phones are compliant with EU lot-6 and lot-26 |
| Key Expansion Module (KEM) compatibility and power | ●The 9800 KEM doesn’t have its own local power; the KEM power is provided from the host phone. ●9851: ◦IEEE Power over Ethernet class 3 or Cisco Power Adapter 3, enables one KEM via the USB-A port. ●9861 and 9871: ◦IEEE Power over Ethernet class 3, enables one KEM via the USB-A port. ◦Cisco Power Adapter 3, enables up to three KEMs via the USB-A ports. |
| Key features (*may vary depending on registered calling platform) | ●Caller ID ●Call waiting ●Call hold/resume ●Music on Hold (MoH) ●Mute/unmute ●E.164/Plus Dialing ●Call forward ●Do not disturb ●Call back ●Call park ●Hold/Park Reversion ●Call pickup ●Transfer ●Conference ●Meet me ●Call preservation mode ●Speed dial ●Busy Lamp Field (BLF) ●Redial ●Recording ●Barge and cBarge (conference barge) ●Paging * ●Extension Mobility and EMCC * ●Hunt group ●Uniform Resource Identifier (URI) dialing ●CMS mute sync * ●Voicemail ●Shared line ●Privacy * ●Local call history ●Remote call history * ●Directory search ●Favorite contacts * ●Adjustable ring tones and volume levels ●Adjustable display brightness ●Time and date display ●Time zone settings * ●E.911 ●Intercom * ●Confidential Access Level (CAL) * ●Help desk on favorite button ●Anti-spam * ●Hoteling * ●Flexible seating * ●Voice feedback ●Webex features: unified call history, unified directory, hybrid calendar, meetings ●OBTP (One Button To Push) meetings ●In-meeting transcription (9861 and 9871) ●Webex In-Meeting Summary (9861 and 9871) ●Hot desking ●Cisco Spaces Hot Desking pre-booking * ●Remote Reboot ●Remote Factory Reset * ●Metrics for analytics and debugging * ●Hotline * ●XSI/XML Application ●FAC/CMC * ●Multicast Paging * ●Support for Call center agent's phone * ●Adjustable font size ●Cisco IP Manager Assistant * ●Switch the operating mode * ●Custom wallpaper and logo (9851, 9861 and 9871) ●Pagination * (9851 and 9861) ●User Preference Attribute * ●Cisco Headset Smart Pairing (9861 and 9871) ●Mobility * |
| Network features | ●Session Initiation Protocol (SIP) for signaling ●Session Description Protocol (SDP) ●IPv4 and IPv6 ●IPv6 Ready logo and USGv6 R1 compliant * ●Ethernet 802.1x supplicant options: Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) and Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) ●Dynamic Host Configuration Protocol (DHCP) client or static configuration ●Gratuitous Address Resolution Protocol (GARP) ●Domain Name System (DNS) ●Trivial File Transfer Protocol (TFTP) ●Secure HTTP (HTTPS) ●VLAN ●Real-Time Transport Protocol (RTP) ●Real-Time Control Protocol (RTCP) ●Cisco Discovery Protocol ●LLDP (including LLDP Media Endpoint Discovery [LLDP-MED]) ●Switch speed auto-negotiation ●Span to PC ●Network traverse (ICE, NAT and STUN) * |
| Deployment and serviceability features | ●Native phone migration * ●Peer firmware sharing upgrade ●Problem report tool ●ThousandEyes integration (9861 and 9871) ●SRST support * ●MRA support * ●User credentials persistent for Expressway sign-in * ●Activation code onboarding ●WxC outbound proxy survivability support * ●NFC onboarding ●Cisco headset upgrade |
| Security | ●Secure boot ●802.1x with Custom Device Certificate ●SIP OAuth ●Secure credential storage ●Device authentication ●Configuration file authentication and encryption ●Image authentication ●Random bit generation ●Secure Unique Device Identifier (SUDI) ●Signaling authentication and encryption using TLS ●Media authentication and encryption using SRTP ●HTTPS for client and server ●Configurable minimum TLS version ●Local Phone Unlock Password * ●Trusted Platform Module 2.0 ●Security-Enhanced Linux ●FIPS 140-2 and UCR 2013 compliant ●TLS 1.3 and TLS client/server min version ●Secure erase ●On device Firewall * ●Assured Services SIP (AS-SIP) * ●Multilevel Precedence and Preemption (MLPP) * ●ECC * ●Disabling speakerphone, headset, and handset * ●Multi-server (SAN) Tomcat Certificate * ●No password warning * ●Device security insights * ●HTTP proxy * ●VPN * |
| Physical dimensions (H × W × D) | ●9841: 8.4 x 8.4 x 1.9 in. (214.0 x 214.0 x 49.4 mm) ●9851: 8.9 x 8.4 x 1.9 in. (226.0 x 214.0 x 49.4 mm) ●9861: 8.9 x 9.0 x 1.9 in. (226.0 x 230.0 x 49.4 mm) ●9871: 8.9 x 8.4 x 1.9 in. (226.0 x 214.0 x 49.4 mm) ●9800 KEM: 8.9 x 5.0 x 1.9 in. (226.0 x 126.0 x 48.5 mm) |
| Weight | ●9841: 954g ●9851: 968g ●9861: 1095g ●9871: 1055g ●9800 KEM: 483g |
| Phone-casing composition | ●Polycarbonate Acrylonitrile Butadiene Styrene (ABS) textured plastic; Cosmetic class A |
| Operating temperature | ●32 to 104°F (0 to 40°C) |
| Nonoperating temperature shock | ●14 to 140°F (–10 to 60°C) |
| Humidity | ●Operating 10 to 90%, noncondensing ●Nonoperating 10 to 95%, noncondensing |
| Language Support | ●Arabic (Saudi Arabia) ●Bulgarian (Bulgaria) ●Catalan (Spain) ●Croatian (Croatia) ●Czech (Czech Republic) ●Danish (Denmark) ●Dutch (Netherlands) ●English (United Kingdom) ●English (United States) ●Estonian (Estonia) ●Finnish (Finland) ●French (France) ●French (Canada) ●German (Germany) ●Greek (Greece) ●Hebrew (Israel) ●Hungarian (Hungary) ●Italian (Italy) ●Japanese (Japan) ●Korean (Korea Republic) ●Latvian (Latvia) ●Lithuanian (Lithuania) ●Norwegian (Norway) ●Polish (Poland) ●Portuguese (Brazil) ●Portuguese (Portugal) ●Romanian (Romania) ●Russian (Russian Federation) ●Serbian (Republic of Serbia) ●Simplified Chinese (China) ●Slovak (Slovakia) ●Slovenian (Slovenia) ●Spanish (Colombia) ●Spanish (Spain) ●Swedish (Sweden) ●Thai (Thailand) ●Traditional Chinese (Hong Kong) ●Traditional Chinese (Taiwan) ●Turkish (Türkiye) ●Ukrainian (Ukraine) ●Welsh (United Kingdom) |
| Certification and compliance | ●CE Markings per directives 2014/53/EU, 2014/35/EU and 2014/30/EU ●Safety ◦UL60950, UL62368-1 ◦CAN/CSA-C22.2 No. 60950 CAN/CSA 62368-1 ◦EN/IEC 62368 ◦AS/NZS 62368 ●EMC - Emissions ◦47CFR Part 15 (CFR 47) Class B ◦AS/NZS CISPR32 Class B ◦CISPR32: 2015 Class B ◦EN 55032:2015 A11:2020 Class B ◦ICES003 Class B ◦VCCI Class B ◦EN61000-3-2 ◦EN61000-3-3 ◦KS C 9832 ◦VCCI-CISPR 32 ●EMC - Immunity ◦EN 55035:2017 A11:2020 Class B ◦KS C 9835 ◦Armadillo Light ●FIPS compliant ●Telecom ◦FCC Part 68 HAC ◦CS-03-HAC ◦AS/ACIF S004 ◦AS/ACIF S040 ◦NZ PTC 220 ◦Industry Standards: TIA-810 and TIA-920 ◦Industry Standards: ETSI ES 202 737/738/739/740 ◦Industry Standards: IEEE 802.3 Ethernet, IEEE 802.3af and 802.3at ◦Korea (RRA Public Notification 2020-6, Sep. 25th, 2020) ◦Korea (RRA Announce 2022-1, Jan. 3, 2022) ●Radio ◦FCC Part 15.247 ◦FCC Part 15.407 ◦FCC Part 2.1091 (BT RF Exposure TR) ◦RSS-102 (BT RF Exposure TR) ◦RSS-247 ◦EN 300 328 ◦EN 301893 ◦EN 300 330 ◦EN 62311 ◦EN 50665 ◦EN 301 489-1 ◦EN 301 489-3 ◦EN 301 489-17 ◦Korea (KS X 3123:2022, KS X 3124:2020, KS X 3126:2020) ◦STD-T66 ◦STD-T71 |
