[asterisk-bugs] [JIRA] (ASTERISK-21673) Early media not properly handled on outbound TCP trunk

[dcitelecom (JIRA)]

dcitelecom created ASTERISK-21673:
-------------------------------------

             Summary: Early media not properly handled on outbound TCP trunk
                 Key: ASTERISK-21673
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21673
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/CallCompletionSupplementaryServices
    Affects Versions: 11.3.0
         Environment: FreePBX distro 3.211.63-7
Centos 6.3, Asterisk 11.3.0 
            Reporter: dcitelecom


Voxbone DID (defined in inbound routes) is sent out to customer trunk ABCco (TCP) trunk. They reply with 183 session progress (early media announcement) and Asterisk sends 180 ringing back to Voxbone.

This is problematic where the DID is forwarded to a cell phone and the phone is off or the forwarding number was entered wrong. In both cases the user should hear an early media announcement that the user is not available or the number is not in service. Instead they hear a ring tone and don't know there is a problem. Log attached

DIALPLAN
exten => #0216479999999,1,Set(__FROM_DID=$
{EXTEN}

)
exten => #0216479999999,n,Gosub(app-blacklist-check,s,1())
exten => #0216479999999,n,Gosub(sub-record-cancel,s,1())
exten => #0216479999999,n,Set(__REC_POLICY_MODE=never)
exten => #0216479999999,n,Set(CDR(did)=$
{FROM_DID}

)
exten => #0216479999999,n,ExecIf($[ "$
{CALLERID(name)}

" = "" ] ?Set(CALLERID(name)=$
{CALLERID(num)}

))
exten => #0216479999999,n,Set(CHANNEL(musicclass)=none)
exten => #0216479999999,n,Set(__MOHCLASS=none)
exten => #0216479999999,n,Set(__CALLINGPRES_SV=$
{CALLERPRES()}

)
exten => #0216479999999,n,Set(CALLERPRES()=allowed_not_screened)
exten => #0216479999999,n(dest-ext),Goto(ext-trunk,5,1)

[ABCAsia] (trunk 5)
disallow=all
type=peer
host=202.xxx.xxx.xxx
transport=tcp
allow=alaw
allow=ulaw
relaxdtmf=yes
dtmfmode=rfc2833
directmedia=yes
context=from-ABCco-HK


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