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By Beecher Tuttle
Assessing the performance of Session Initiation Protocol (SIP) servers in a multi-vendor environment is a difficult proposition for today's service providers. This issue is mostly due to the lack of common SIP call log standards, a reality that allows vendors to develop call logs based on their own format.
The myriad of call log formats acts as a barrier for service providers that want to review SIP transactions across multiple vendors, evaluate and troubleshoot their servers, and analyze call trends.
Fortunately, the answer to this concern – SIP CLF – has already been developed and is currently in the process of being standardized by the Internet Engineering Task Force (IETF).