[asterisk-bugs] [JIRA] (ASTERISK-28261) PJSIP: SDP in 180 Ringing is ignored

[Michael Maier (JIRA)]

Michael Maier created ASTERISK-28261:
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             Summary: PJSIP: SDP in 180 Ringing is ignored
                 Key: ASTERISK-28261
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28261
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: pjproject/pjsip
    Affects Versions: 13.24.1
         Environment: CentOS
            Reporter: Michael Maier


Given is an outbound call to a callee via asterisk to the ISP. 
After INVITE, the ISP sends 100 Trying and some time later 180 Ringing *w/* SDP and the header "P-Early-Media: sendonly" (no 183 or any other thing until callee responds). 
SDP in 180 contains media attribute *sendrecv* (contradicting to the P-Early-Media header).
Asterisk 13.24.1 sends PRACK to the ISP (w/o SDP) and the 180 to the caller - but SDP is dropped and therefor no early media is possible!



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