- Brand
- Cisco
- Product Name
- IP Phone 8811
- Audio
- Automatic Gain Control | Comfort Noise Generation | Silence Suppression/Voice Activity Detection | Acoustic Echo Cancellation (AEC) | Dynamic Noise Reduction
- Audio codec support
- G.711a-law and mu-law, G.722, G.729a/b, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC), G.722.1, G.772.2, OPUS
- Call features
- + Dialing | Abbreviated dialing | Adjustable ring tones and volume levels | Adjustable display brightness | Agent greeting | Auto-answer | Auto-detection of headset | cBarge | Busy Lamp Field (BLF) | Busy Lamp Field (BLF) Pickup | Busy Lamp Field (BLF) speed dial | Callback | Call forward | Call forward notification | Call filter | Call history lists | Call park | Call pickup | Call timer | Call waiting | Call chaperone | Caller ID | Corporate directory | Conference, including traditional Join feature | Cross Cluster Extension Mobility (EMCC) | Direct transfer | Extension mobility | Fast-dial service | Forced access codes and client matter codes | Group call pickup | Hold | Intercom | Immediate divert | Malicious-caller ID | Message-waiting indicator (MWI) | Meet-me conference | Mobility | Music on Hold (MoH) | Mute | Network profiles (automatic) | On- and off-network distinctive ringing | Personal directory | PickUp | Predialing before sending | Privacy | Private Line Automated Ringdown (PLAR) | Redial | Ring tone per line appearance | Service Uniform Resource Locator (URL) | Shared line | Silent monitoring and recording | Speed dial | Time and date display | Transfer | Uniform Resource Identifier (URI) dialing | Visual voice mail | Voice mail | Whisper coaching
- Electronic hookswitch
- You can control the hookswitch electronically with a third-party headset connected to an auxiliary port.
- Quality-of-Service (QoS) options
- 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.
- Network features
- Session Initiation Protocol (SIP) for signaling | Session Description Protocol (SDP) | IPv4 and IPv6 | User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] streams) | Dynamic Host Configuration Protocol (DHCP) client or static configuration | Gratuitous Address Resolution Protocol (GARP) | Domain Name System (DNS) | Trivial File Transfer Protocol (TFTP) | Secure Hypertext Transfer Protocol (HTTPS) | VLAN | Real-Time Transport Protocol (RTP) | Real-Time Control Protocol (RTCP) | Cisco Peer-to-Peer Distribution Protocol (PPDP) | Cisco Discovery Protocol | LLDP (including LLDP-MED) | Switch speed auto-negotiation
- Security features
- Secure boot | Secure credential storage | Device authentication | Configuration file authentication and encryption | Image authentication | Random bit generation | Hardware cryptographic acceleration | Certificate Authority Proxy Function (CAPF) | Manufacturer-Installed Certificates (MIC) | Locally Significant Certificates (LSC) | Ethernet 802.1x supplicant options: Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) and Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) | Signaling authentication and encryption using TLS | Media authentication and encryption using SRTP | HTTPS for client and server | Secure Shell (SSH) Protocol server | Secure Sockets Layer (SSL)-based VPN client
- Physical dimensions (H × W × D)
- 9.02 x 10.13 x 1.57 in. (229.1 x 257.34 x 40 mm) (excluding foot stand)
- Weight (with handset)
- 2.58 lb (1.17 kg)
- Phone-casing composition
- Polycarbonate Acrylonitrile Butadiene Styrene (ABS) textured plastic; Cosmetic class A
- 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%, noncondensing | Nonoperating 10 to 95%, noncondensing
- Language support
- Arabic (Arabic Area) | Bulgarian (Bulgaria) | Catalan (Spain) | Chinese (China) | Chinese (Hong Kong) | Chinese (Taiwan) | Croatian (Croatia) | Czech (Czech Republic) | Danish (Denmark) | Dutch (Netherlands) | English (United Kingdom) | Estonian (Estonia) | French (France) | French (Canada) | 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)