[SIPForum-discussion] ACK with SDP & BYE

[Sam]

Where the BYE comes from ?
Also check if the codecs set is proper in between leg a & leg b.

Regards
Sam



On Wed, Mar 23, 2011 at 5:45 PM, Zahir Jamizadeh <
Zahir.Jamizadeh at bheadnordic.com> wrote:

> Hi,
>  I was trying to setup a call flow according to 3rd party call control
>  model flow 1 (RFC 3725 - Figure 1) using Cisco 7960 phones. In this
>  model, user A (which received an INVITE with no SDP) receives SDP
>  description in the ACK. In the Cisco phones, I noticed that as soon as
>  it received an ACK containing SDP, it sent a BYE.
>  Has anyone else noticed this behaviour ?
>
> BR
>
> Zahir Jamizadeh
>
>
>
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