An Allowed WAF or WWSF Identity identifies a WebRTC Authentication Function or WebRTC Web Server Function the subscription is allowed to use. See
TS 33.203. Multiple WAF or WWSF identities may be stored within the Allowed WAF and/or WWSF Identity List.
The Allowed WAF and/or WWSF Identity List is permanent data stored in the HSS and in the S-CSCF.