What security features does the Cisco 8811 IP Phone offer?

The Cisco 8811 IP Phone offers security features such as secure boot, secure credential storage, device authentication, configuration file authentication and encryption, image authentication, hardware cryptographic acceleration, and media authentication and encryption using SRTP.

What are the audio codec supports for the Cisco 8811 IP Phone?

The Cisco 8811 IP Phone supports G.711a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC).

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Cisco 8811 IP Phone - Corded, 5 x Total Line - VoIP - 5" - User Connect License - 2 x Network (RJ-45) - PoE Ports

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The Cisco® IP Phone 8811 is a cost-effective, business-class collaboration endpoint that delivers high-fidelity, reliable, secure, and scalable voice communications for midsize to large enterprise businesses.
With the Cisco IP Phone 8811, you can increase personal productivity through an engaging user experience that is both powerful and easy-to-use.
The IP Phone 8811 combines an attractive new ergonomic design with wideband audio for crystal clear voice communications, "always-on" reliability, encrypted voice communications to enhance security, and access to a comprehensive suite of unified communications features from Cisco communication servers.

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Cisco-HW Unified Communication CP-8811-K9 K9 IP Phone 8811 Series Wideband Audio Charcoal

Model
Brand	Cisco
Model	CP-8811-K9=

Type
Type	Accessories

Spec
Protocols	TCP/IP
Weight	3.3
Specifications	Audio codec support : G.711a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) 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 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

Features
Features	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

Additional Information
First Listed on Newegg	August 05, 2015

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Limited Warranty period (parts): 1 year
Limited Warranty period (labor): 1 year
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Return for refund within: 30 days

Return for replacement within: 30 days

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Manufacturer Contact Info

Manufacturer Product Page
Manufacturer Website
Support Phone: 1-800-553-6387
Support Website
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Item#: 13N-001V-00086

Best Sellers

Cisco 8811 IP Phone - Corded, 5 x Total Line - VoIP - 5" - User Connect License - 2 x Network (RJ-45) - PoE Ports

Learn more about the Cisco Systems, Inc. CP-8811-K9=

Customer Reviews of the Cisco Systems, Inc. CP-8811-K9=

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info