/mcpDefinition Acronym/Word Far-End Camera Control FECC Format-Specific Parameters FMTP Fully Qualified Domain Name FQDN Key Pad Markup Language KPML Multilevel Precedence and Preemption MLPP Media Termination Point MTP Message Waiting Indication MWI Out Of Band OOB Out of Dialog OOD Provisional Response ACKnowledgment PRACK Redirected Dialed Number Information Service RDNIS Remote Party ID RPID Retransmission Time RTT Session Description Protocol SDP Session Initiated Protocol SIP SIP line Interface Specification SIS Transport Layer Security TLS User Agent Client UAC User Agent Server UAS Uniform Resource Identifier URI Uniform Resource Name URN Voice Mail VM Standard Interface Compliance Summary This section provides details about Unified Communications Manager SIP line interface standards compliance. The Standard Feature Scenarios, on page 26 provides a feature implementation-oriented view of how the system works relative to the SIP line-side implementation. Refer to the following tables for SIP line interface compliance: SIP Line Messaging Guide (Standard Edition) for Cisco Unified Communications Manager 4 SIP Standard Line Interface Standard Interface Compliance Summary