Tag: RPI
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Caller ID in SIP
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Equipment receiving calls, whether a humble handset or a sophisticated Call centre ACD system, likes to know the identity of the caller. It may simply display the caller’s number on an LCD display, look it up in a directory so the caller’s name can be displayed or pre-populate a screen with information about the caller recovered from a database. However, the network also needs to know the caller’s identity because it may be important for billing,…