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Re: [reSIProcate] no early media event received on 18x responses withno to tag

From: "Scott Godin" <slgodin@xxxxxxxxxxxx>
Date: Thu, 25 Jan 2007 09:02:15 -0500

onEarlyMedia is an InviteSession callback – since the 18x doesn’t have a to tag – then it can’t create/be associated with a dialog or Invitesession. I suppose it would be possible to add a DialogSetHandler onEarlyMedia callback – but it would be better to fix the endpoint. RFC3261 section 8.2.6 mandates that a to tag be added by a UA for 1xx responses (except 100 trying).

Scott

From: resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxxx [mailto:resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of Hagai Sela (TA)
Sent: Thursday, January 25, 2007 4:41 AM
To: resiprocate
Subject: [reSIProcate] no early media event received on 18x responses withno to tag

Hi,

I have a problem - I send an outbound INVITE from my sip UA, and get a 18x response without a to tag. I don't get the InviteSessionHandler::onEarlyMedia event.

Is this behaviour by design?

Hagai.

References:
- [reSIProcate] no early media event received on 18x responses with no to tag
  - From: Hagai Sela \(TA\)

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