The interface is E1 for PBXs, with QSIG ? I want to make less 10 simultaneous calls. What WIC, VIC or VWIC modules and codecs should be used with router 2801 / 2811Thanks.

Hi,I am a newer in VoIP. I d like to connect a Hipath 3350 PBX to an Alcatel 4400 PBX using Cisco routers (as 1760, 2801 or 2811).What are hardware and sorftware requiements for Cisco equipements to establish communication. I use only digital phones,...