Call information#

These pages explain how DIDWW supplies caller-name information through CNAM lookup, relays STIR/SHAKEN caller authentication, and delivers Calling Party Category (CPC) information on inbound SIP calls.

Explore call information features#

CNAM IN for SIP trunks

Understand how DIDWW looks up and delivers caller names for U.S. caller IDs on inbound calls.

CNAM IN for SIP trunks
STIR/SHAKEN for inbound calls

Understand how STIR/SHAKEN caller authentication applies to inbound calls.

STIR/SHAKEN for inbound calls
Calling Party Category (CPC)

Understand how DIDWW delivers Calling Party Category information on inbound SIP calls.

Calling Party Category (CPC)