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

Thu Jun 27 11:47:15 MSD 2013

Long live AttXfer :))

For example, we use SPA/PAP2T ATAs, and customers often use Asterisk
in-call AttXfer via *7 or similar combination

There are no problems to use SIP transfers when customer use VoIP phone,
but sometimes it is impossible to mimic in-call transfer behavior with
ATA's built-in combinations.

Sometimes it can be done, and we can teach 10, 20, 100 customers to use
another way for transfers, but when you have about 5000 customer lines with
ATAs it becomes nearly impossible :(

2013/6/27 Anthony Minessale <anthony.minessale at gmail.com>

> Can't the sip phone do this natively?
> On Jun 26, 2013 5:37 PM, "João Mesquita" <jmesquita at freeswitch.org> wrote:
>
>> That could do the trick but if you want to be swiging between several
>> parked calls like an operator would do, that could cause some pain to
>> implement. The upside of the bridge/unbridge/park/unpark stuff is that one
>> case should work for all if implemeted correctly.
>>
>> João Mesquita
>> FreeSWITCH™ Solutions
>>
>>
>> On Wed, Jun 26, 2013 at 7:19 PM, Michael Collins <msc at freeswitch.org>wrote:
>>
>>> Out of curiosity, would a simple conference with key bindings that do
>>> conference "relate" functions possibly work? I know it isn't "elegant" but
>>> it might be low hanging fruit.
>>>
>>> -MC
>>>
>>>
>>> On Wed, Jun 26, 2013 at 11:49 AM, João Mesquita <
>>> jmesquita at freeswitch.org> wrote:
>>>
>>>> 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.
>>>>
>>>> João Mesquita
>>>> FreeSWITCH™ Solutions
>>>>
>>>>
>>>> On Wed, Jun 26, 2013 at 12:32 PM, Stuart Mills <
>>>> stuart.mills3 at btopenworld.com> wrote:
>>>>
>>>>>   Hi João,
>>>>>
>>>>> 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:* João Mesquita <jmesquita at freeswitch.org>
>>>>> *Sent:* Wednesday, June 26, 2013 2:37 PM
>>>>> *To:* FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>>>> *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
>>>>>
>>>>> João Mesquita
>>>>> FreeSWITCH™ Solutions
>>>>>
>>>>>
>>>>> On Wed, Jun 26, 2013 at 6:38 AM, Stuart Mills <
>>>>> stuart.mills3 at 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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>>>>>>
>>>>>
>>>>> ------------------------------
>>>>>
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>>>>
>>>>
>>>> _________________________________________________________________________
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>>>>
>>>> 
>>>> 
>>>>
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>>>
>>>
>>> --
>>> Michael S Collins
>>> Twitter: @mercutioviz
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>>>
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>>
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-- 
Best regards,

Dmitry Sytchev,
IT Engineer
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