[Freeswitch-dev] How to make Attended Call Transfer as Transferor??

[Brian West]

On Dec 28, 2007, at 12:27 AM, Irshad Ahamed wrote:

> The set-up is like below:
>
> 1. Freeswitch is configured as UA with Asterisk TDM card (Openzap) 1  
> FXO + 1 FXS and registered with sipx.
> 2. SNOM300 registered with sipx.
> 3. Grandstream IP phone also registered with sipx.

Which Grandstream?  And what Firmware on each phone?



>
>
> Procedure followed for Blind Transfer:
> 1. Make a call from SNOM300 to Freeswitch FXS. Accept the call at  
> Freeswitch FXS.
> 2. Using "transfer UUID -both Grandstream-number"  command at the  
> Freeswitch, I tried Blind transfer.  On Ethereal, I saw INVITE with  
> modified From-header.
>      ---- Are we not using REFER for Call Transfer here???
> 3. Call gets transferred to Grandstream now . This looks fine.


Yes Refer works perfectly fine.  What SVN rev are you using?


>
>
> Procedure followed for Attended Transfer:
> 1. Make a call from SNOM300 to Freeswitch FXS. Accept the call at  
> Freeswitch FXS.
> 2. Now use FLASH Key on the analog phone connected to freeswitch FXS  
> to put the established call on HOLD.
> 3. After getting dial tone, dial GRANDSTREAM number.
> 4. Accept the call at GRANDSTREAM. Now again using FLASH key, swap  
> the call with SNOM300.
> 5. Use the command " transfer SNOM-UUID -bleg GRANDSTREAM-number"
> 6. Call is getting swapped back to GRANDSTREAM and the initial call  
> with SNOM is getting disconnected.
> Note: Default dial plan with entries for both SNOM300 and  
> GRANDSTREAM is used.
> Please let me know if I am going wrong somewhere.


OK this type of transfer on the OpenZAP side I am not sure has been  
fully tested.  I get what you're saying now.


>
>
> Thanks and regards,
> Irshad.
>
>
>