[Users] too many branches for latest X-lite 3

[Sajith T S]

Klaus Darilion wrote:

> By adding a different instance header for each proxy it is possible to
> distinguish incoming calls, e.g.:
> Contact: sip:user at localipaddress;rinstance=1234 for iptel account
> Contact: sip:user at localipaddress;rinstance=5678 for fwd account

This is interesting.  Thank you Klaus.

Sajith.