search for: tdm405

I have the following requirement: ISP with a single E1 line needs to accept incoming dial-up calls and use Asterisk to place/receive voice calls with the same E1. Available hardware is Cisco AS5300 (RAS with modem cards) and Asterisk with TDM405. From what I read about the Cisco, it can't be used connected directly to the outside E1 with a second E1 interface between Cisco and Asterisk to bypass all calls that aren't the dial up number to Asterisk, as well as allowing Asterisk to dial out using the E1. If anybody can show me ho...