[asterisk-bugs] [JIRA] (ASTERISK-28551) IPv4 address in SDP o= is (null) when configured for NAT using pjsip

[Brian J. Murrell (JIRA)]

Brian J. Murrell created ASTERISK-28551:
-------------------------------------------

             Summary: IPv4 address in SDP o= is (null) when configured for NAT using pjsip
                 Key: ASTERISK-28551
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28551
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: pjproject/pjsip
    Affects Versions: 13.28.1
            Reporter: Brian J. Murrell
            Severity: Blocker


If I configure my pjsip transport to handle NAT from the Internet:

{noformat}
[transport-tcp]
type=transport
protocol=tcp
bind=10.75.22.8:5060
local_net=10.75.22.0/24
external_media_address=[external address redacted]
external_signaling_address=[external address redacted]
{noformat}

When a call comes from a TCP registered SIP client on the Internet,
Asterisk is setting the IPv4 address in the {{o=}} and {{c=}} lines of the
SDP ICE payload to {{(null)}}:

{noformat}
v=0
o=- 3654 548 IN IP4 (null)
s=Asterisk
c=IN IP4 (null)
{noformat}

IPv4 addresses in all of the {{a=}} lines are still correct.

This {{(null)}} of course causes the caller to fail to complete the call.



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