Call Routing Examples

Modify Caller ID Number

Create following additional rule in the existing dial plan before routing the call. if your Bridge rule in your Dial Plan is ranked 10 , you can create new rule with rank 5 so that it is executed before bridging the call.

Select stop policy Continue.

In the Condition field, select Standard Information , Name as Caller ID Number and set the Expression field to the regular expression for matching selection criteria.

Select Action field as Export Variable with Name as effective_caller_id_number and set the Value to desired expression.

The following example rule will replace +36 prefix with 06 in the Caller ID Number before routing the call to next destination. Meaning +36XXXXX will be changed to 06XXXXX .

Open

Similarly you can modify Call ID Name by selecting Name as Caller ID Name in Condition .

Ignore Display Updates

Open

Use P-Asserted-Identity 

Use P-Preffered-Identify   

Rate Limit Inbound calls from any calling party, per calling party

useful to prevent malicious dialers from repeated call attempts
The below screenshot is rate limiting a specific source for more than 1 call attempt with 8 seconds.
(alter as needed)
If the rate limit is reached/triggered, a 404 response will occur