Abstract: This document has been contributed by HSC to the SIP Forum Test Framework (SFTF) organization at https://www.sipfoundry.org/sftf under the GNU LGPL license. This document captures each MUST, MAY, SHALL, SHOULD and RECOMMENDED clauses of a UAC/S as per RFC 3261 and describes test cases and call flows which could be used to test the required behaviour. This document could be used as a test case document for implementors who may choose to implement the call flows and expected output in their favourite testing tool, including SFTF |