Cisco IP Phone CP-7931G
Features: Global Spare. 24 lighted line keys, busy line indication, access services, and activate headset port keys. Dedicated Hold, Redial, and transfer keys. Lighted Message Waiting Indicator. Graphical Display Resolution of 192 x 64 pixels; 3 line intuitive access to calling features; text/audio based XML applications. 4 Soft Key Buttons and 4 way rocker key. Network Features: Cisco Discovery Protocol; LLDP-MED (Link Layer protocol) LLDP is compatible only with firmware 8.3(3) or later; IEEE 802.1 p/q tagging and switching. Ethernet Switch: 10/100BASE-T Ethernet connection; two RJ-45 ports. Full-Duplex Speakerphone. Volume Control. Headset Port. Multiple Ring Tones. Hearing aid compatible handset.
Signaling Protocol Support: Cisco Unified Call Manager Express Versions 4.0(2) using Skinny Client Control Protocol (SCCP); supports both SCCP and Session Initiation Protocol (SIP) with Cisco Unified Call Manager Version 7.0 and higher. Codec Support: Provides G.711a, G.711u, G.729a, G.729b, and G.729ab audio compression codec’s. Dynamic Host Configuration Protocol (DHCP). Voice Quality: Voice activity detection (VAD) programming on a system basis. Certificates: X.509v3 certificates. Transport layer security (TLS) with Advanced Encryption Standard (AES)-128 encryption available with Cisco Unified Call Manager Express Version 4.0(2) or later. Media Encryption Secure Real Time Transport Protocol (SRTP) with AES-128 encryption available with Cisco Unified Communications Manager Express and Cisco Unified Communications Manager in later release. Firmware Upgrades supported using a Trivial File Transfer Protocol (TFTP) server. Power Options: IEEE 802.3 af PoE compliant data switches (Class III).
**Phone Dose Not Include Power Supply**
Signaling Protocol Support: Cisco Unified Call Manager Express Versions 4.0(2) using Skinny Client Control Protocol (SCCP); supports both SCCP and Session Initiation Protocol (SIP) with Cisco Unified Call Manager Version 7.0 and higher. Codec Support: Provides G.711a, G.711u, G.729a, G.729b, and G.729ab audio compression codec’s. Dynamic Host Configuration Protocol (DHCP). Voice Quality: Voice activity detection (VAD) programming on a system basis. Certificates: X.509v3 certificates. Transport layer security (TLS) with Advanced Encryption Standard (AES)-128 encryption available with Cisco Unified Call Manager Express Version 4.0(2) or later. Media Encryption Secure Real Time Transport Protocol (SRTP) with AES-128 encryption available with Cisco Unified Communications Manager Express and Cisco Unified Communications Manager in later release. Firmware Upgrades supported using a Trivial File Transfer Protocol (TFTP) server. Power Options: IEEE 802.3 af PoE compliant data switches (Class III).
**Phone Dose Not Include Power Supply**
