[Serusers] call transfer INVITE / REFER

Nils Ohlmeier lists at ohlmeier.org
Tue Jul 5 00:19:26 CEST 2005


Hi,

take a look at the SDP of the INVITE. Probably it just puts the other side 
on-hold before sending the REFER.
But I have no real clue how transfering without REFER should work. (Except a 
cumbersome solution with Replaces and 3pcc, which I have never.)

  Nils

On Monday 04 July 2005 21:07, Iqbal wrote:
> Hi
>
> Should the call transfer use INVITE or REFER as a method, cause I seem,
> to be getting INVITE, but this then causes problems with authentication.
>
> A <-->B  then B transfer to C (all IP phones)
>
> This transfer seems fine, but it uses INVITE, no REFER . All phones on
> same sip domain/server
>
> Now when this setup changes
>
> pstn <---->B and then B tried to transfer to C, we get nothing, well we
> get 404 , it check the !location setting, and says ur not allowed.
>
> Is the REFER the first message to be sent, or is there a INVITE
> transaction first,
>
> Iqbal
>
>
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