7PETERSON V J. IETF. RFC3372, Session Initiation Protocol for Telephones (SIP T) [S]. USA:[s.n.],2007. 被引量:1
8CAMARILLO G, ROACH A B, PETERSON J, et al. IETF. RFC3398, Integrated Services Digital Network (ISDN) User Part (ISUP) to Session Initiation Protocol (SIP) Mapping[S]. USA:[s.n.],2007. 被引量:1