| |
| Features | Specifications |
| 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) |
| Multiple ring tones | The phone supports user-adjustable ring tones. |
| 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) |
| Weight | IP Phone 7811: 806g
IP Phone 7821: 867g
IP Phone 7841: 868g
IP Phone 7861: 1053g |
| 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) |
| Nonoperational temperature shock | 14 to 140°F (-10 to 60°C) |
| Humidity | Operating 10% to 90%, non-condensing
Non-operating 10% to 95%, non-condensing |
| 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 |
