How to divert inbound SIP-Ext. calls to DID


I’m struggling to solve a very simple problem, but it has taken so much time that am almost ready to give up!

Namely, when I dial a Local Area Phone Number from an Analogue Phone, have to deal twice Zero, and I want that this works with only one Zero.

Interestingly enough, this Problem doesn’t appear when I dial the same Number from X –Lite (Client).

However, another Problem arises when I dial an Extension, for Example “3210â€