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Secure Real-Time Transfer Protocol and Transport Layer Security (SRTP/ TLS) over SIP
This wall mount kit is specifically designed for Cisco's 6900 series IP phones
the 6869 is one of the most advanced SIP desktop phones available on the market today
The SPA525G2 supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP) with the Cisco Unified Communications 500 Series
Cisco 8861-3PCC-K9 (3rd Party Call Control) -New- T54W Secure Real-Time Transfer Protocol andCisco 8861 3PCC K9 The Cisco 8861 3PCC K9 IP Phone with Multiplatform Firmware supports third party call control (SIP) on supported open SIP, third party UCaaS voice and video platforms. It uses exclusive multiplatform (MPP) firmware and does not work with Cisco call control. It offers wideband audio and a large, widescreen, high resolution color display for menus and content. The Cisco 8841 is ideal for knowledge workers, administrative staff, and