As Slapin mentioned earlier, the Telco might deliver the CLID regardless of the settings on the Mitel.
The Network Specific Facilities must be set to either fixed or call by call. Make sure you are in the right form.
The options will be:
Controller Module
System-generated, protected field. Identifies the module position (1-4) in the controller.
Port
System-generated, protected field. Identifies the port (1 or 2) in the module.
Link Number
System-generated, protected field.
Protocol
- System-generated, protected field. From the Protocol Assignment form.
Protocol Variant
- System-generated, protected field. From the Protocol Assignment form.
Type
- Fixed (default) or Call by Call.
Fixed Network Specific Facilities
- Default (default) depending on the protocol and variant. Refer to the dependencies table.
Call by Call Network Specific Facilities
- Depending on the protocol and variant. Refer to the dependencies table.
Parameter Length
- Applicable to NI-2 and some values from call by call (1-5 digits). Parameter Length is displayed for the following variant and call by call value: Bellcore - FX, Tie Trunk, Band.OW; 5ESS - FX, Tie Trunk, Band.OW, WATS Bnd; GTD5 - FX, Tie Trunk, Band.OW.
With A Maintenance command you can monitor what is being dialed.
CCS Trace Enable continuous.
Make a call and you should observe all digits being dialed including the call by call digits.
Don't forget to disable using CCS TRACE DISABLE afterwards
*******************************************************
Occam's Razor - All things being equal, the simplest solution is the right one.