[SR-Users] Group call advice: remove calling branch after alias_db_lookup/lookup_branches

[Olle E. Johansson]

On 07 Mar 2015, at 01:32, Anthony Messina <amessina at messinet.com> wrote:

> In terms of implementing "group" calling via the append_branch feature of both 
> alias_db_lookup followed by lookup_branches, I'm looking for a reliable way to 
> ensure that if the caller happens to be a member of the group (list of 
> branches), the branch that's created to the original caller is dropped.
> 
> Originally, I was thinking of comparing $rU and $fU in branch_route, but this 
> would limit the ability for one contact of an AOR to call another contact of 
> the same AOR.
> 
> Can anyone offer an example of an efficient method to accomplish this?

From reading your e-mail it seems that you propose a possible idea
- why not compare contact URI's?

If they have +sip.instance, just compare that. If they have not,
try to compare the full SIP URI's in the contacts.

Just brainstorming.
/O
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