[asterisk-bugs] [JIRA] (ASTERISK-23704) PJSIP Testing: Off-nominal remote destination attended transfers

[Matt Jordan (JIRA)]

Matt Jordan created ASTERISK-23704:
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             Summary: PJSIP Testing: Off-nominal remote destination attended transfers
                 Key: ASTERISK-23704
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23704
             Project: Asterisk
          Issue Type: Improvement
      Security Level: None
          Components: Resources/res_pjsip, Resources/res_pjsip_refer
            Reporter: Matt Jordan


h2. Off Nominal

Because the remote attended transfer is similar to a SIP blind transfer, many of the off nominal scenarios are similar in nature.

h3. No external_replaces extension

* Alice sends an INVITE request, Asterisk sends an INVITE request to Bob
* Bob sends a 200 OK to Asterisk, Asterisk sends a 200 OK to Alice
* Alice sends a re-INVITE with restricted media to Asterisk, Asterisk starts playing music on hold to Bob
* Alice sends an INVITE request directly to Charlie; Charlie sends a 200 OK directly to Alice
* Alice sends a REFER request to Asterisk with a Replaces header that refers to the dialog between Alice and Charlie and a Refer-To header for Charlie
* As the external_replaces extension is undefined, Asterisk sends a 404 to the REFER request
* Alice and Bob continue to be bridged



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