Cisco ip unified communications voicefax network module
The cisco ip communications voicefax network modules provide enterprises managed service providers and service providers the ability to directly connect the public switched telephone network pstn and traditional telephony equipment to existing cisco 2600xm series cisco 2691 3640 and 3660 and cisco 3700 series voice gateway routers this set of cisco ip communications voicefax network modules delivers the most versatile combination of analog and digital voice and data capabilities in a