urn:urn-7:3gpp-service.ims.icsi.mmtelAn example of a g.3gpp.icsi-ref media feature tag containing an ICSI for a 3GPP defined IMS communication service is:
g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel"An example of a g.3gpp.icsi-ref feature-capability indicator containing an ICSI for a 3GPP defined IMS communication service is:
g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel"An example of an ICSI for a 3GPP defined IMS communication service in a P-Preferred-Service header field is
P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtelAn example of an ICSI for a 3GPP defined IMS communication service in a P-Asserted-Service header field is
P-Asserted-Service: urn:urn-7:3gpp-service.ims.icsi.mmtelAn example of an ICSI for a defined IMS communication service with a specialisation is:
P-Asserted-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel.game-v1An example of an ICSI for a 3GPP defined IMS communication service with an organisation-y defined specialisation is:
P-Asserted-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel.organisation-y.game-v2
+g.3gpp.thig-path = "<sip:visit-abc@ibcf-vA1.visited-A.net:5070;lr>"An example of a thig-path URI in a P-Asserted-Identity header field is:
P-Asserted-Identity: <sip:visit-abc@ibcf-vA1.visited-A.net:5070;lr>