[asterisk-bugs] [JIRA] (ASTERISK-22657) [patch]Patch to add a new channel variable SIPURIOPTION to save the URI options for call transfer target

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-22657:
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             Summary: [patch]Patch to add a new channel variable SIPURIOPTION to save the URI options for call transfer target
                 Key: ASTERISK-22657
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22657
             Project: Asterisk
          Issue Type: Improvement
      Security Level: None
          Components: Channels/chan_sip/Transfers
    Affects Versions: 11.4.0
         Environment: Debian squeeze x86_64
            Reporter: NITESH BANSAL
            Severity: Minor


This patch defines a new channel variable SIPURIOPTION, which saves the URI options from call transfer target provided in Refer-To header.
Here is an example, lets say REFER contains the Refer-To Header as follows:
Refer-To: <sip:1234 at 127.0.0.1;transport=tcp>
The proposed patch will extract the urioptions and set the channel variable SIPURIOPTION with value "transport=tcp". This uri options are useful, if a third party application invoked in Dialplan as a result of call transfer wants to know the URI options passed for call transfer target.

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