| Audio |
● Automatic Gain Control |
| ● Comfort Noise Generation |
| ● Silence Suppression/Voice Activity Detection |
| ● Acoustic Echo Cancellation (AEC) |
| ● Dynamic Noise Reduction |
| Signaling protocol support |
● Session Initiation Protocol (SIP) |
| Codec support |
● G.711a/μ, G.722, G.729a/b, iLBC, OPUS |
| Key call features support |
● + Dialing (E.164) |
| ● Abbreviated dial |
| ● Adjustable ringing and volume levels |
| ● Adjustable display contrast |
| ● Agent greeting |
| ● Auto-answer |
| ● Auto-detection of headset (Not available on the IP Phone 7811) |
| ● Busy Lamp Field (BLF) (Not available on the IP Phone 7811) |
| ● Call back |
| ● Call forward |
| ● Call history |
| ● Call park |
| ● Call Pickup |
| ● Call timer |
| ● Call waiting |
| ● Caller ID |
| ● cBarge |
| ● Corporate directory |
| ● Conference |
| ● Cross Cluster Extension Mobility (EMCC) |
| ● Dial from the list |
| ● Direct transfer |
| ● Do not disturb |
| ● Extension Mobility (EM) |
| ● Forced access codes and client matter codes |
| ● Group call pickup |
| ● Hold/resume |
| ● Immediate divert |
| ● Intercom (Not available on the IP Phone 7811) |
| ● Join (Not available on the IP Phone 7811) |
| ● Message-waiting indicator |
| ● Meet me conference |
| ● Mobility |
| ● Music on hold |
| ● Mute |
| ● Network profiles (automatic) |
| ● On- and off-network distinctive ringing |
| ● Personal directory |
| ● Privacy |
| ● Private Line Automated Ringdown (PLAR) |
| ● Redial |
| ● Ring tone per line appearance |
| ● Shared line |
| ● Silent monitoring and recording |
| ● Speed dial |
| ● Time and date display |
| ● Transfer |
| ● Voicemail |
| ● Whisper coaching |
| Language support |
● Arabic (Arabic Area) |
| ● Bulgarian (Bulgaria) |
| ● Catalan (Spain) |
| ● Chinese (China) – GB 2312 |
| ● Chinese (Hong Kong) |
| ● Chinese (Taiwan) |
| "● Croatian (Croatia) |
| ● Czech (Czech Republic) |
| ● Danish (Denmark) |
| ● Dutch (Netherlands) |
| ● English (United Kingdom) |
| ● Estonian (Estonia) |
| ● French (France) |
| ● Finnish (Finland) |
| ● German (Germany) |
| ● Greek (Greece) |
| ● Hebrew (Israel) |
| ● Hungarian (Hungary) |
| ● Italian (Italy) |
| ● Japanese (Japan) |
| ● Latvian (Latvia) |
| ● Lithuanian (Lithuania) |
| ● Korean (Korea Republic) |
| ● Norwegian (Norway) |
| ● Polish (Poland) |
| ● Portuguese (Portugal) |
| ● Portuguese (Brazil) |
| ● Romanian (Romania) |
| ● Russian (Russian Federation) |
| ● Spanish (Columbia) |
| ● Spanish (Spain) |
| ● Slovak (Slovakia) |
| ● Swedish (Sweden) |
| ● Serbian (Republic of Serbia) |
| ● Serbian (Republic of Montenegro) |
| ● Slovenian (Slovenia) |
| ● Thai (Thailand) |
| ● Turkish (Turkey)" |
| Directories |
● The phone identifies incoming messages and categorizes them for users on the screen. This makes it fast and easy to return calls using direct dial-back capability. The corporate directory integrates with the Lightweight Directory Access Protocol (LDAP) standard directory. |
| Quality-of-service (QoS) options |
● 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. |
| Security |
● Certificates |
| ● Image authentication |
| ● Device authentication |
| ● File authentication |
| ● Signaling authentication |
| ● Media encryption using Secure Real-Time Transfer Protocol (SRTP) using AES-128 |
| ● Signaling encryption using Transport Layer Security (TLS) Protocol using AES-128 or AES-256 |
| ● Encrypted configuration files |
| ● 802.1X authentication |
| ● Cryptography |
| Configuration options |
● The user can configure IP address assignment statically or through the DHCP client. |
| Physical dimensions (H×W×D) |
● IP Phone 7811: 207 x 195 x 33mm (exclude foot stand) |
| ● IP Phone 7821: 207 x 206 x 28mm (exclude foot stand) |
| ● IP Phone 7841: 207 x 206 x 28mm (exclude foot stand) |
| ● IP Phone 7861: 207 x 265 x 28mm (exclude foot stand) |
| Display |
● IP Phone 7821, 7841, 7861: 3.5” 396×162 pixels |
| ● IP Phone 7811: 3.28” 384×106 pixels |
| Ethernet switch |
● The phone has a 10/100BASE-T (The Cisco® IP Phone 7811, 7821 and 7861) or a10/100/1000BASE-T
|
| (The Cisco® IP Phone 7841) Ethernet connection through two RJ-45 ports, one for the LAN connection and the other for a downstream Ethernet device connection like a PC.
|
| Phone casing composition |
● Polycarbonate Acrylonitrile Butadiene Styrene (ABS) textured plastic. |
| Power requirements |
● The phone is an interoperable IEEE 802.3af PoE (Class 1 device); 48 VDC is required; it can be supplied locally at the desktop using an optional AC-to-DC power supply (CP-PWR-CUBE-3=). Use of the power supply also requires the use of one of the corresponding AC country cords. |
| Operational temperature |
● 32 to 104°F (0 to 40°C) |
| Cosmetic |
● Cisco cosmetic class A |
| Certification and compliance |
● Regulatory Compliance |
| ◦ CE Markings per directives 2004/108/EC and 2006/95/EC |
| ● Safety |
| ◦ UL 60950 Second Edition |
| ◦ CAN/CSA-C22.2 No. 60950 Second Edition |
| ◦ EN 60950 Second Edition (including A11 and A12) |
| ◦ IEC 60950 Second Edition (including A11 and A12) |
| ◦ AS/NZS 60950 |
| ◦ GB4943 |
| ● EMC - Emissions |
| ◦ 47CFR Part 15 (CFR 47) Class B |
| ◦ AS/NZS CISPR22 Class B |
| ◦ CISPR22: 2005 w/Amendment 1: 2005 Class B |
| ◦ EN55022: 2006 w/Amendment 1: 2007 Class B |
| ◦ ICES003 Class B |
| ◦ VCCI Class B |
| ◦ EN61000-3-2 |
| ◦ EN61000-3-3 |
| ◦ KN22 Class B |
| ● EMC - Immunity |
| ◦ EN55024 |
| ◦ CISPR24 |
| ◦ EN60601-1-2 |
| ◦ KN24 |
| ◦ Armadillo Light |
| ● 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: IEEE 802.3 Ethernet, IEEE 802.3af and 802.3at |