The Cisco® IP Phone 7800 Series with Multiplatform Phone Firmware is a costeffective, high-fidelity voice communications portfolio designed to improve your organization’s person-to-person communications while reducing your operating costs on approved Unified-Communications-as-a-Service (UCaas) platforms.
Codecs: G.711 (A-law and m-law), G.722.2, G.722, G.729ab, ILBC, iSAC, OPUS
DTMF: In-band, out-of-band (RFC 2833), and SIP INFO
MOS Score Reporting (Telchemy)
The 7800 series provides exceptional noise isolation when used with a Cisco 500 Series Headset
MAC address (IEEE 802.3)
SIP protocol support (RFC3261 and companion RFCs)
IPv4 (RFC 791)
IPv6 (RFC 2460): System Interoperability Testing Required