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## This SMM rule changes 183 with no SDP to a 100 Trying ## to resolve issue when the SBX sent a 183 as a result of ## receiving a 302 on the egress leg. # # Criterion checks for 183 messages that do not contain SDP set profiles signaling sipAdaptorProfile saprofile rule 1 criterion 1 type message message messageTypes response statusCode 183 set profiles signaling sipAdaptorProfile saprofile rule 1 criterion 2 type header header name "Status-Line" condition exist set profiles signaling sipAdaptorProfile saprofile rule 1 criterion 3 type messageBody messageBody condition absent # Action 1 matches on "183 Session Progress" and replaces it with # "100 Trying" set profiles signaling sipAdaptorProfile saprofile rule 1 action 1 type header set profiles signaling sipAdaptorProfile saprofile rule 1 action 1 operation regsub set profiles signaling sipAdaptorProfile saprofile rule 1 action 1 regexp string "(183 Session Progress)" set profiles signaling sipAdaptorProfile saprofile rule 1 action 1 from type value value "100 Trying" set profiles signaling sipAdaptorProfile saprofile rule 1 action 1 to type header value "SIP/2.0" set profiles signaling sipAdaptorProfile saprofile state enabled commit