PINT Extensions - per [RFC2848] 

There are three kinds of identifier used in PINT extensions that
SHOULD be registered with IANA, if a new value is specified. These
are:

   *  Media Format sub-types, as described in section 3.4.2 of [RFC2848]
   *  Private Attributes as mentioned in section 3.4.3 of [RFC2848]
   *  Private Phone Context values, as described in section 3.4.3.1 of
      [RFC2848] 

It should be noted that private Address Types (in section 3.4.1) of [RFC2848]
have been explicitly excluded from this process, as they must be in the
form of an X-Token.


Private Attributes
------------------


Private Phone Context Values
----------------------------



References
----------

[RFC2848]  Petrack, S., and Conroy, L. "The PINT Service Protocol:
           Extensions to SIP and SDP for IP Access to Telephone 
           Call Services", RFC 2848, June 2000.

(created 07/00)

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