[asterisk-bugs] [JIRA] (ASTERISK-28522) chan_pjsip does not support fallback from t.38 to fax over alaw/ulaw

[John Cahill (JIRA)]

John Cahill created ASTERISK-28522:
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             Summary: chan_pjsip does not support fallback from t.38 to fax over alaw/ulaw
                 Key: ASTERISK-28522
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28522
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Resources/res_pjsip_t38
    Affects Versions: 16.5.0
         Environment:  Debian 10.0, 4.9.0-3-amd64 2GB RAM, 4 VCPUs, Xen 4.4 Dell PowerEdge R430 
            Reporter: John Cahill
         Attachments: failed-fallback.pcap

chan_pjsip does not support fallback from t.38 to fax over alaw/ulaw. Asterisk should re-invite to alaw/ulaw on receiving a t.38 to allow fax to proceed. This works with chan_sip.



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