Yealink T48G, Administrator'S Manual

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Appendix
589
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RFC 3960—Early Media and Ringing Tone Generation in SIP
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RFC 3966—The tel URI for telephone number
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RFC 3968—IANA Registry for SIP Header Field
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RFC 3969—IANA Registry for SIP URI
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RFC 4028—Session Timers in the Session Initiation Protocol (SIP)
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RFC 4083—3GPP Release 5 Requirements on SIP
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RFC 4235—An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)
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RFC 4244—An Extension to the SIP for Request History Information
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RFC 4317—Session Description Protocol (SDP) Offer/Answer Examples
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RFC 4353—A Framework for Conferencing with the SIP
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RFC 4458—SIP URIs for Applications such as Voicemail and Interactive Voice Response (IVR)
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RFC 4475—Session Initiation Protocol (SIP) Torture
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RFC 4485—Guidelines for Authors of Extensions to the SIP
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RFC 4504—SIP Telephony Device Requirements and Configuration
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RFC 4566—SDP: Session Description Protocol.
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RFC 4568—Session Description Protocol (SDP) Security Descriptions for Media Streams
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RFC 4575—A SIP Event Package for Conference State
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RFC 4579—SIP Call Control - Conferencing for User Agents
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RFC 4583—Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) Streams
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RFC 4662—A SIP Event Notification Extension for Resource Lists