[asterisk-bugs] [JIRA] (ASTERISK-21072) Implement directmedia in chan_gulp

[Matt Jordan (JIRA)]

Matt Jordan created ASTERISK-21072:
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             Summary: Implement directmedia in chan_gulp
                 Key: ASTERISK-21072
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21072
             Project: Asterisk
          Issue Type: Improvement
      Security Level: None
          Components: Channels/chan_gulp
            Reporter: Matt Jordan


We now have:
* Two party calls, initiated both inbound and outbound
* Endpoint location
* Authentication
* Reasonable media handling

We should now be in a position to implement directmedia. This means we have to have support for re-INVITEs, as well as switching between a native or local bridge to a remote bridge.

Direct media entails:
* The basic setting which allows endpoints to re-negotiate their media upon call set up. This includes:
** Always attempt direct media
** Never attempt direct media
** Attempt direct media but only if we know the endpoints are not behind a NAT
** Attempt direct media, but use UPDATE only (this feels optional)
** Only attempt direct media on outgoing call legs (glare reduction)
* ACLs that can be applied which prevent directmedia from being used if an endpoint registers from an IP that cannot re-negotiate the media successfully


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