Hi all,

After reading RFC3265 I have discovered that in addition to INVITEs,
SUBSCRIBEs can also create sip dialogs.

What exactly can occur in these SUBSCRIBE-created dialogs? Are there any
constraints on the types of other requests which may be sent using the
callid created by the SUBSCRIBE? For example, given a SUBSCRIBE-created
dialog, is it then possible for the communicating devices to partake in an
INVITE transaction and negotiate a media session between themselves?

thanks,

Matthew Gardiner
Software Enginneer
Aculab
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