CP7811MPP VOIP SIP Telephone, 2 x fast ethernet, POE required, AC optional, 384x106 mono lcd. Cisco Multi-Platform SIP software loaded, not for use with Cisco Unified Communications Manager. Optional AC Adapter and Cord (COPWER3 and COPWERCORDNA)

Feature Detail

Audio
● Codecs: G.711 (A-law and -law), G.722.2, G.722, G.729ab, ILBC, iSAC, OPUS
● DTMF: In-band, out-of-band (RFC 2833), and SIP INFO
Network
● MAC address (IEEE 802.3)
● SIP protocol support (RFC3261 and companion RFCs)
● IPv4 (RFC 791)
● DNS: A record (RFC 1706), SRV record (RFC 2782)
● Dynamic Host Configuration Protocol (DHCP) (RFC 2131)
● Simple Network Time Protocol (SNTP) (RFC 2030)
● Network Address Translation (NAT) transversal, serial tunnel (STUN)
● UDP/TCP
● Link Layer Discovery Protocol (LLDP)
● Cisco Discovery Protocol

Security
● 802.1X authentication
● Media encryption via Secure Real-Time Transport Protocol (SRTP)
● Transport Layer Security (TLS)
● Encrypted configuration files
● Digest authentication
● Password login
● HTTPs secure provisioning
Applications
● Cisco XML services interface (XSI)