1751 max calls supported

tunerX

http://www.cisco.com/public/support/tac/tools.shtml

Can the 1751 support a vwic-2mft-t1-di, a vic-2fxs, and a vic-2e/m. The DSP calculator on the cisco site tells me that I cannot use the two vics if I configure both T1 interfaces for voice calls.

I know that the 1751 can handle a total of 30 calls. Can I configure the two T1s with 12 trunks each, then spread the vics across the remaining 6 calls?

tunerX

Cisco is right.


If I remove the E/M and FXS cards I can configure both T1 ports for voice channels. If another vic is inserted I get the following error.

1751_1(config)#tdm clock t1 1/1 voice import t1 1/0
% T1 voice switch not available for this configuration

When a vic is inserted I get an auto generated config for the t1 card.

tdm clock T1 1/0 both export line
tdm clock T1 1/1 data import T1 1/0 internal