[asterisk-bugs] [JIRA] (ASTERISK-25986) Wrong request line with IMS and Proxy

[Steve Akerman (JIRA)]

Steve Akerman created ASTERISK-25986:
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             Summary: Wrong request line with IMS and Proxy
                 Key: ASTERISK-25986
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25986
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/General
    Affects Versions: 13.8.2
         Environment: RasPbx
            Reporter: Steve Akerman
            Severity: Blocker


Follow on from issue Asterisk-24509

If setting up a trunk to an IMS where the registrar is behind a P-CSCF and not reachable directly, after initial registration, all INVITE and OPTION messages use the proxy domain and not the registrar domain. These are ignored by the P-CSCF and timeout after defined retransmits.

FromDomain is set to REGISTRAR and used in FROM header, but proxy is used in Request-Line and To header.

OutboundProxy cannot be set to REGISTRAR as DNS fails.

Impact is that Outbound fails, and Inbound works until the registrar drops because of no keep-olives. Trunk is unusable.

X-Lite, and Telephone can both be configured to work correctly (i.e. use the correct domain in RequestLine and To:Header.

Registration is not an issue.

Registrar: ims.mnc010.mcc208.3gppnetwork.org
Proxy: internet.p-cscf.sfr.net

{noformat}
type=peer
secret=MYPASS
remotesecret=MYPASS
port=5064
outboundproxy=internet.p-cscf.sfr.net:5064,force
media_address=MYPUBLICIP
insecure=invite,port
host=ims.mnc010.mcc208.3gppnetwork.org
fromuser=+3399XXXXXXXXXX
fromdomain=ims.mnc010.mcc208.3gppnetwork.org
defaultuser=+3399XXXXXXXXXX at ims.mnc010.mcc208.3gppnetwork.org
context=from-trunk
canreinvite=no
auth=NDIXXXXXXXXXX.LIBERTALK at sfr.fr:MYPASS at ims.mnc010.mcc208.3gppnetwork.org

{noformat}




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