Hello,
I recently came across an issue with some SUBSCRIBE requests having no username
in the request URI.
I was wondering if this kind of request is legal or not.
RFC3265 states:
"The Request URI of a SUBSCRIBE request, most importantly, contains enough
information to route the request to the appropriate entity per the request
routing procedures outlined in SIP [1]. It also contains enough information
to identify the resource for which event notification is desired, but not
necessarily enough information to uniquely identify the nature of the event"
>From my point of view, the resource that the user subscribes to (the
presentity), must be available in the request URI as the username - the
"information to identify the resource".
When subscribing one's mailbox, through the message-summary event package, the
presentity username is usually the same as the watcher username.
Is a message-summary SUBSCRIBE request without a username in the request URI
valid?
e.g. SUBSCRIBE sip:lists.cs.columbia.edu SIP/2.0 instead of SUBSCRIBE
sip:[email protected] SIP/2.0
Best regards,
Marius
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