Subject: [SIP] Addressing devices without user identities

From: Henning Schulzrinne <[email-masked]>
Date: Thu, 07 Sep 2000 09:51:11 -0400

This is just a heads-up, in case it needs more discussion.

Some SIP devices allow "dialing" IP addresses, but seem to have
different notions as to the user name to be used. I've seen
'sip:[email-masked]', for example. This is not what the spec intends,
however. It says:

       user: The name of the user addressed. Note that this field MAY
             be empty where the destination host does not have a notion
             of users, e.g., for embedded devices.

Thus, 'sip:128.1.2.3' would be the correct approach.
-- 
Henning Schulzrinne   http://www.cs.columbia.edu/~hgs

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