Currenly all extensions have their outbound caller ID set to one of several 800 numbers this company uses. This is causing a problem when calling 911. I need to have the main local number show up as the outbound caller ID but only when a 3 digit number is dialed. Is there any way of doing this? If not I'll probably just ask the provider to provision a second SIP trunk with a forced caller ID of the main local number, then send all 3 digit numbers out that trunk.