!Configure the FXO Port - note connecttion plar opx 3007 goes to Extn 3007

voice-port 2/0
 input gain 8
 output attenuation -1
 no comfort-noise
 cptone GB
 timing sup-disconnect 85
 connection plar opx 3007
 impedance complex1
 description GSM Gateway => extn Cisco 3007
 caller-id alerting dsp-pre-allocate


!Essentially a Outbound Route - This is using a GSM Gateway, the destination pattern is adheared to using the dial pattern

dial-peer voice 2 pots
 description Cellular calls to O2
 destination-pattern 07734......
 port 2/0
 forward-digits all