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Reply To: What is COLP/COLR?

wallis dudhnath

Line Identity Supplementary Services.

– Calling line identification presentation (CLIP)
– Calling line identification restriction (CLIR)
– Connected line identification presentation (COLP)
– Connected line identification restriction (COLR)

Based on ISDN: I.420, I.421 and Q.931 (signalling).

CLIP/CLIR is to do with Number Presentation.

VBR/ Wallis Dudhnath