The CME Dial-Plan
Physical Voice Port Characteristics
Analog Voice Ports
Foreign Exchange Station (FXS): Connect to end stations such as analog phones and fax machines
Three normal configuration options:
- Call signaling
- Call tones
- Caller ID Info
Call signaling:
voice-port (port number)
signal (loopstart or groundstart)
Call Tones:
voice-port (port number)
cptone (Two letter country code)
Caller ID Info:
voice-port (port number)
station-id name (Name)
station-id number (Number)
Foreign Exchange Office (FXO):
Same configuration options as above with two extra:
- Dial-Type
- Ring Number
Dial-Type: Tone or Pulse Dialing
voice-port (port number)
dial-type (dtmf or pulse)
Ring Number: Number of rings that should pass before the router picks up the line
voice-port (port number)
ring number (number)
show voice port summary shows status of voice ports on router
Digital Voice Ports
Can be configured as CAS or CCS
Common Configuration:
clock source line
framing esf
linecode b8zs
clock source line
framing esf
linecode b8zs
CCS:
controller (port number)
pri-group 1 timeslots 1-24 (For T1)
CAS:
controller (port number)
ds0-group 1 time-slots 1-24 (For T1)
For T1, channel 24 (time-slot 24) is signaling
For E1, channel 16 (time-slot 17) is signaling