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Station X · 28th May 2018, 10:56 am

Can you expand on that please. The Calling Line Identity (CLI) is sent to the terminating exchange in an Initial Final Address Message (IFAM). Once it's been sent I know of no way in which it can be changed.

28th May 2018, 10:56 am	#27
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,288	Re: Calling the old BT technicians... Can you expand on that please. The Calling Line Identity (CLI) is sent to the terminating exchange in an Initial Final Address Message (IFAM). Once it's been sent I know of no way in which it can be changed. __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.