Yealink T48G, Administrator'S Manual

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Appendix
588
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RFC 3489—STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
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RFC 3515—The Session Initiation Protocol (SIP) Refer Method
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RFC 3550—RTP: Transport Protocol for Real-Time Applications

RFC 3555—MIME Type Registration of RTP Payload Formats
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RFC 3581—An Extension to the SIP for Symmetric Response Routing

RFC 3608—SIP Extension Header Field for Service Route Discovery During Registration

RFC 3611—RTP Control Protocol Extended Reports (RTCP XR)

RFC 3665—Session Initiation Protocol (SIP) Basic Call Flow Examples

RFC 3666—SIP Public Switched Telephone Network (PSTN) Call Flows.
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RFC 3680—SIP Event Package for Registrations

RFC 3702—Authentication, Authorization, and Accounting Requirements for the SIP

RFC 3711—The Secure Real-time Transport Protocol (SRTP)
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RFC 3725—Best Current Practices for Third Party Call Control (3pcc) in the Session Initiation Protocol (SIP)

RFC 3842—A Message Summary and Message Waiting Indication Event Package for the Session Initiation Protocol (SIP)

RFC 3856—A Presence Event Package for Session Initiation Protocol (SIP)
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RFC 3863—Presence Information Data Format

RFC 3890—A Transport Independent Bandwidth Modifier for the SDP

RFC 3891—The Session Initiation Protocol (SIP) “Replaces” Header
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RFC 3892—The Session Initiation Protocol (SIP) Referred-By Mechanism
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RFC 3959—The Early Session Disposition Type for SIP