You will have to do it manually. Meaning that you will need to park extensions and keep state yourself. I am working on that exact same thing right now and I can tell you that it is not an easy task.

Joćo Mesquita
FreeSWITCH™ Solutions

On Wed, Jun 26, 2013 at 12:32 PM, Stuart Mills <stuart.mills3@btopenworld.com> wrote:

Hi Joćo,

 

Thanks for your reply, the honest answer is it simply seemed like the best way to do it.

 

Could you recommend another way to implement such features into my service, I am using the ESL to do as much as possible but att_xfer seemed to cater for most features I needed to implement.

 

Many thanks,

 

Stuart Mills

 

From: Joćo Mesquita

Sent: Wednesday, June 26, 2013 2:37 PM

To: FreeSWITCH Users Help

Subject: [Bulk] Re: [Freeswitch-users] att_xfer question

 

This sort of call swapping is not implemented on the source code. I was one of the guys that wanted this type of feature implemented on the core instead of on the endpoint modules or endpoints itself and I have to say that once you understand the code you understand why it is not supposed to be there. I now advocate to completely remove the feature because it causes only headaches and make you look for a solution in the wrong place.

 

So, to the real question, why are you using att_xfer? I am still waiting for a valid use case.

 

Regards,

JM

 

Joćo Mesquita
FreeSWITCH™ Solutions

On Wed, Jun 26, 2013 at 6:38 AM, Stuart Mills <stuart.mills3@btopenworld.com> wrote:

Hi all,

 

I have a question which is hopefully not too complicated.

 

I’m playing with mid call transfer features, I have an extension in features.conf to do the MCT which works fine, a_leg connects to the b_leg, then b_leg transfer to destination c_leg and can talk.

 

My question is this, is it then easy for b_leg to toggle the call between a_leg and c_leg, I take it it’s just another feature extension that bridges calls between the 2 legs, could it be that simple?

 

Kind Regards,

 

Stuart Mills

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---

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