Hi,

is it possible to subscribe a "half-dialog"? Example: Event:
dialog;[EMAIL PROTECTED];from-tag=9fxced76sl

RFC4235, Section 3.2.  Event Package Parameters
This package defines four Event Package parameters:  call-id, to-tag,
from-tag, and include-session-description.  If a subscription to a
specific dialog is requested, the first three of these parameters MUST
be present, to identify the dialog that is being subscribed to.

RFC4235, Section 3.7.1.  The Dialog State Machine
However, there is a "half-dialog", in the sense that two of the three
components of the dialog ID (the call identifier and local tag) are
known.

RFC4235, 3.2.  Event Package Parameters
The to-tag is matched against the local tag, the from-tag is matched
against the remote tag, and the call-id is matched against the
Call-ID.

Cheers,
-- 
Victor Pascual Ávila

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