[sr-dev] [kamailio/kamailio] pua_dialoginfo: Add flags to disable caller and/or callee PUBLISH when required (#979)

[Phil Lavin]

- Added 2 new flags, disable_caller_publish_flag and disable_callee_publish_flag
- Wrapped each call to dialog_publish_multi to first check if the flag is set

This is actually quite a strange usecase. It's useful when calls do not route internally on Kamailio but are always forced out through a B2BUA which routes back to Kamailio for eventual delivery to the phone. In this case, you can disable callee (recipient) notifications for the outbound call leg from Phone->Kamailio->B2BUA and caller (initiator) notifications for the inbound leg from B2BUA->Kamailio->Phone.

In this case, you don't get notifications for 2 dialogs for each party on the call - rather 1 dialog per party. For a BLF phone, this doesn't really change anything however when BLF notifications are used to trigger events in other systems, it can be helpful to de-duplicate the messages.

I can't imagine there will be a queue of people wanting to use this... but it's implemented in such a way that behavior won't change unless the flags are defined and implemented.
You can view, comment on, or merge this pull request online at:

  https://github.com/kamailio/kamailio/pull/979

-- Commit Summary --

  * pua_dialoginfo: Add flags to disable caller and/or callee PUBLISH when required
  * pua_dialoginfo: Docs for disable_caller_publish_flag and disable_callee_publish_flag

-- File Changes --

    M src/modules/pua_dialoginfo/doc/pua_dialoginfo_admin.xml (38)
    M src/modules/pua_dialoginfo/pua_dialoginfo.c (165)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/979.patch
https://github.com/kamailio/kamailio/pull/979.diff

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