[asterisk-bugs] [JIRA] (ASTERISK-26347) Asterisk not sending out RTP packets in case of redirect call

[Denis S.Davydov (JIRA)]

Denis S.Davydov created ASTERISK-26347:
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             Summary: Asterisk not sending out RTP packets in case of redirect call
                 Key: ASTERISK-26347
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26347
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
    Affects Versions: 13.10.0-rc1
         Environment: Virtual Machine on ESXi6 (VM Version 11, 4vCPU, 16Gb RAM), OS: CentOS release 6.8 (Final) x86_84
            Reporter: Denis S.Davydov
            Severity: Minor


I have Asterisk 13.10.0-rc1 inside my network with private address, also I have bidirectional (1:1) nat mapping from 212.65.93.74 to this address. My ouside provider is 62.221.34.22.

Calls from outside to my Asterisk is working fine! I have RTP flow. The same thing for calls to outside from one of my internal phones connected to my Asterisk within private addresses. Everything works fine. But if I get the call from outside and redirect it by Dial app back to provider on another callee, I saw no any RTP traffic via Asterisk. Could you tell me why?

Scheme: A calls B, B calls C
(A - external phone from my SIP provider, B - the extension in my Asterisk, C - another external phone I call via my SIP provider).

See attachments. Output debug information about calls and also dump file.

>From sip.conf:
{code}
externip=212.65.93.74
localnet=192.168.0.0/255.255.0.0
...
[vega]
type=peer
trunkname=vega
host=62.221.34.22
context=from-trunk
insecure=invite
disallow=all
allow = alaw
nat = no
directmedia = no
dtmfmode = rfc2833
qualify=yes
{code}



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