[asterisk-bugs] [JIRA] (ASTERISK-24824) chan_sip: Asterisk fails to re-activate an inactive media session when an offer does not contain a=sendrecv

[Ashley Sanders (JIRA)]

Ashley Sanders created ASTERISK-24824:
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             Summary: chan_sip: Asterisk fails to re-activate an inactive media session when an offer does not contain a=sendrecv
                 Key: ASTERISK-24824
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24824
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
    Affects Versions: 1.8.23.1
            Reporter: Ashley Sanders


1. From Phone A, send an offer to Phone B to establish a call
2. From Phone B, send an offer to Phone A to put the call on hold. 
3. Observe that the MOH start event occurs.
3. From Phone B, send an offer to Phone A to 'un-hold' the call (ensure that the direction attribute from the offer's SDP is omitted)
5. Observe that the MOH stop event never occurs.

This is not the anticipated state. According to RFC 4566 (Section 6. SDP Attributes): "If none of the attributes "sendonly", "recvonly", "inactive", and "sendrecv" is present, "sendrecv" SHOULD be assumed as the default for sessions that are not of the conference type "broadcast" or "H332" [...]"



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