Having the ability to create a script that performs sophisticated manipulation of SIP and SDP messages is a super power of Avaya’s Session Border Controller Enterprise (SBCE). Signaling Manipulation (SigMa) scripting gets its power by borrowing concepts from Regular Expressions (RegEx), a sophisticated pattern-matching tool invented in the 1950s.
This guide by John Waber, Training Development Manager, ConvergeOne, begins with an overview of SigMa and finishes with examples that illustrate using Avaya’s proprietary SigMa scripts to solve common compatibility issues. SigMa is granular enough to work its magic on just Requests, just Responses, or both types of messages. It is designed to manipulate Session Description Protocol (SDP), as well.
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