xsmash

I am a newbie here and trying to set up the system. First I am told by my SIP carrier that Axon does not handle DID based routing. Is that true? Secondly, is there documentation that I have access to, to set up the pbx. I am at a wits end here, nothing is explained. Most importantly, where do I enter my SIP provider details? What screen is this. And extensions dont recognize the server, even if they are on the same test system. Help!