
If the origin is used for PSTN telephony extract the number from the SIP dialstring (i.e. sip:+49160123456789@my-sip-host.de) and pass that to call object for contact matching.
If the origin is used for PSTN telephony extract the number from the SIP dialstring (i.e. sip:+49160123456789@my-sip-host.de) and pass that to call object for contact matching.