A customer is looking for moving his T1s into a DS3. Currently he has 4 T1s for data and 2 T1s for voice. They are planning to remove all T1s and move on to a single DS3 pipe. Some channels for data and some channels for voice. Anybody who has implemented something like this, please throw in your experiences.
FYI, the router being used would be a 3640 with a NM-1A-T3 module. Also this is an IP Telephony environment. So the 3640 will be a gateway for IP Phones to make calls to PSTN.
Also I opened a case with Cisco, and TAC also confirmed that its not possible to use the NM-1A-T3 card for terminating voice calls from PSTN. Also unlike the NM-HDV module, the NM-1A-T3 cannot take DSP chips.(farms)
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