Cisco Cisco Expressway 관리 매뉴얼
Title
Link
RFC 5627: Obtaining and Using Globally Routable User Agent URIs (GRUUs) in
SIP
SIP
RFC 5806: Diversion Indication in SIP
Session Traversal Utilities for NAT (STUN)
Traversal Using Relays around NAT (TURN): Relay Extensions to Session
Traversal Utilities for NAT (STUN)
Traversal Utilities for NAT (STUN)
389
Cisco Expressway Administrator Guide
Reference Material