Working Group
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... Instant Messaging protocols are expected to be deployed.
To this end, the protocols designed by this Working Group must be
suitable for operation in a context typically associated with mobile
...
... common format.
3.1.5. The working group must define the extension and registration
mechanisms for presence information schema, including new STATUS
...
... accessibility.
4.1.8. The working group MUST define the extension and registration
mechanisms for the message format ...
... ADDRESSES.
4.1.9. The working group MUST determine whether the common message
format includes fields for numbering or identifying messages. If
there are such fields, the working group ...
... working group MUST determine whether the common message
format includes fields for numbering or identifying messages. If
there are such fields, the working group MUST define the scope within
which such identifiers are unique and the acceptable means of
...
... DELIVERY of an INSTANT MESSAGE or reasons
for failure. The working group must determine what mechanisms apply
when final delivery status is unknown, such as when a message is
...