Configuring the dial plan within CallManager is a fairly straightforward process,
which can be distilled down to these easy steps:
1. Enter an access code of 9. as the access code delimiter.You can add the
route pattern digits, wildcard matches, or the “@” character for North
America.
2. Ensure that the Route this pattern and Provide secondary dial
tone options are set.
3. Point the route pattern to a gateway device (H.323, MGCP, Skinny
Gateway Protocol, SIP).
4. If the gateway device is MGCP or Skinny Gateway Protocol, you must
make sure the access code is discarded.To do this, set discard digits to
5. If the gateway device is a Cisco IOS-based H.323 gateway, then the
access code will need to be passed along with the called digits.To do
this, set discard digits to
6. Create the route pattern in the database.