A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Simpler Algorithms for Processing Alert-Info URNs
Author : Dale R. Worley
Filename : draft-worley-alert-info-fsm-00.txt
Pages : 18
Date : 2016-04-19
Abstract:
The "alert" namespace of uniform resource names (URNs) can be used in
the Alert-Info header field of Session Initiation Protocol (SIP)
requests and responses to inform a VoIP telephone (user agent) of the
characteristics of the call that the user agent has originated or
terminated. Based on the URNs in the Alert-Info header field, the
user agent must select an the best available signal to present to its
user to indicate the characteristics of the call. This document
describes a method of constructing a finite state machine (FSM) to do
this selection. In many situations, the resulting FSM is simpler and
faster than previously described selection algorithms. The designer
must construct the FSM so that its behavior will satisfy the
requirements given in the definition of the "alert" URN namespace.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-worley-alert-info-fsm/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-worley-alert-info-fsm-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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