I have a system that receives calls from clients and directs them to an
before I pass on the client I change the client’s phone number to a
number that I choose, so that The call recipient knew the call came from
But I have a problem with that, not all phone number change some of the
anonymous calls stay anonymous and the recipient See in the caller ID
display unlisted number.
I use this commend:
Is anyone having a similar problem or know what the problem?