Cisco Unified 7821 User Manual

Also see for 7821: Firmware migration master guide Installation guide Reconfiguration Guide Quick installation & user manual Quick installation guide

ISO 9001:2015 Certified …………….……..….....Soaring Heights in Transforming Industry and EconomyUser ManualMachakos UniversityNetwork & TelecomsInformation Communication Technology Servicesict.mksu.ac.keUsing your 7821 IPT Phone - ExecutiveCisco Unified 7821 IP Phone OverviewThe Cisco Unified 7821 SIP Phone provides voice communicationover an Internet Protocol (IP) network. The Cisco Unified IPPhone functions much like a digital business phone, allowing youto place and receive phone calls. In addition, the Cisco Unified7821 SIP Phone supports features such as mute, hold, transfer,conference, call forward, and more.A Cisco Unified IP Phone, like other network devices, must beconfigured and managed. These phones encode G.711a, G.711mu,G.729a, and G.729ab, and decode G.711a, G.711mu, G.729,G.729a, and G.729abCaution Using a cell, mobile, or GSM phone, or two-way radioin close proximity to a Cisco Unified IP Phone might causeinterference.