Tuesday, 18 August 2009

Cisco phones controlled by SIP

Cisco IP phones registered with CUCM (Cisco Unified Communications Manager) are usually controlled using SCCP (Skinny Call Control Protocol).

Since CallManager v5.0 (now Communications Manager) it has also been possible to use SIP (Session Initiation Protocol) for IP phone control.

We are often asked when it would be desirable to use SIP instead of SCCP. This useful "Cisco Subnet" article explains when and why SIP could be the better option.

Read it here: Why would I use a Cisco 7900 phone on CUCM using SIP?


RC

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