Cisco Cisco IOS Software Release 12.3(11)T

connect cbfxs voice-port 4/0/0 T1 4/0 1 

! 

! 

connect cbem voice-port 1/0/0 T1 1/0 1 

! 

! 

connect cbfxo voice-port 2/0/0 T1 2/0 1 

! 

! 

! 

voice-port 1/0/0 

description E&M port 

operation 4-wire 

type 2 

! 

! 

voice-port 2/0/0 

description FXO port 

! 

voice-port 4/0/0 

description FXS port 

!

The following is an example of output from the show connection all command to list active connections:

Router# show connection all

ID  Name Segment 1 Segment 2 State 

========================================================================== 

1 

cbfxs voice-port 4/0/0 T1 4/0 01 UP 

2 

cbem voice-port 1/0/0 T1 1/0 01 UP 

3 

cbfxo voice-port 2/0/0 T1 2/0 01 UP

The following sections provide references related to the IP Communications Voice/Fax Network Module 
feature.

Hardware installation instructions for network modules

General information about voice configuration and 
commands

Cisco IOS Voice Command Reference, Release 12.3T

Update to information about voice configuration cards