[sr-dev] [kamailio/kamailio] nathelper: don't fail if 'a=rtcp' has no IP (#2769)

Victor Seva notifications at github.com
Wed Jun 9 11:27:03 CEST 2021

Examples from RFC3605:
>    m=audio 49170 RTP/AVP 0
>    a=rtcp:53020
>    m=audio 49170 RTP/AVP 0
>    a=rtcp:53020 IN IP4
>    m=audio 49170 RTP/AVP 0
>    a=rtcp:53020 IN IP6 2001:2345:6789:ABCD:EF01:2345:6789:ABCD

fix #2768

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#### Type Of Change
- [x] Small bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds new functionality)
- [ ] Breaking change (fix or feature that would change existing functionality)

#### Checklist:
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- [x] PR should be backported to stable branches
- [x] Tested changes locally
- [x] Related to issue #2768 (replace XXXX with an open issue number)

#### Description
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don't fail if there's no IP info if line is 'a=rtcp'
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-- Commit Summary --

  * nathelper: don't fail if 'a=rtcp' has no IP

-- File Changes --

    M src/modules/nathelper/nathelper.c (2)

-- Patch Links --


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