Change caller ID in 3CX Phone System 12

The new version of 3CX Phone System now has the ability to change the incoming caller ID for each port / trunk / PSTN of the gateway or VoIP-operator. This also applies to outgoing calls.

Below we list the main terms and commands that are important for setting caller ID:

  • () - Brackets are used to encapsulate variables and numbers. Each pair of brackets must contain a variable.
  • (. *) - This means any character in the string. Always indicate at the end. Any variables specified after will be ignored.
  • 0-9, + - The numbers 0-9 and '+' are used to indicate specific digits in the CID
  • (xxx) x can be any digit 0-9. For example, if the number is 0203123456 and you specify (0203), the PBX will look for an exact match with 0203.
  • \ 1, \ 2 - \ 9 - to replace the numbers 1, 2, ..9.
  • (.) period replaces any character. For example, (...) means 3 any digits. If it is known that the city code starts with 3 and contains 3 digits, you can enter the notation (3 ..)


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Read more about setting up Caller ID on Ice Partners website .