ZA.1 Interworking SIP to ISUP

29.4273GPPEndorsement of the SIP-ISUP Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched CS) networks [3GPP TS 29.163 (Release 7), modified]Release 7TISPANTS

Table ZA.1.1 shows the mapping of a cpc parameter received in a P-Asserted-Identity header in the initial INVITE request to the Calling party’s category parameter in the ISUP IAM.

Table┬áZA.1.1: Mapping of the cpc parameter to the ISUP Calling party’s category parameter

SIP Parameter

ISUP Parameter

cpc received in a
P-Asserted-Identity

Accept-Contact

"language"

Sent Calling party’s category

operator

French

operator, language French

operator

English

operator, language English

operator

German

operator, language German

operator

Russian

operator, language Russian

operator

Spanish

operator, language Spanish

ordinary

ordinary calling subscriber

priority

calling subscriber with priority

data

Data call (voice band data)

test

Test call

payphone

Payphone

cellular

mobile terminal located in the home PLMN

cellular-roaming

mobile terminal located in a visited PLMN

ieps

IEPS call marking for preferential call set up

NOTE: In case the cpc is absent or contains values that are not in this table then the ISUP shall contain the default cpc value "ordinary calling subscriber".