Internet Assigned Numbers Authority

                               Registry for the Session Initiation Protocol (SIP) NAPTR Resource Record Services Field

   Created
           2002-05-07

   Last Updated
           2014-01-31

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   Registry included below

     * SIP Table of Mappings From Service Field Values to Transport Protocols

SIP Table of Mappings From Service Field Values to Transport Protocols

   Registration Procedure(s)

 Standards Action

   Reference
           [RFC3263]

   Available Formats
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   Services Field Protocol Reference
   SIP+D2T        TCP      [RFC3263]
   SIPS+D2T       TCP      [RFC3263]
   SIP+D2U        UDP      [RFC3263]
   SIP+D2S        SCTP     [RFC3263]
   SIPS+D2S       SCTP     [RFC4168]
   SIP+D2W        WS       [RFC7118]
   SIPS+D2W       WS       [RFC7118]

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