Cisco 7811 IP Phone

Cisco 7811 IP Phone Technical Specs

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)

Weight 

• IP Phone 7811: 806g

Display

• 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