[asterisk-users] Redirect a GSM call through Wifi to a SIP phone
smog1 at free.fr
Mon Nov 4 14:35:32 CST 2013
Le 01/11/2013 18:54, adamk at 3a.hu a écrit :
> On 11/1/2013 5:02 PM, A J Stiles wrote:
>> You probably will have the most success with Android, because you
>> are going to need well-documented Source Code to stand a chance of
>> getting anywhere. You will need an Open Source SIP client and the
>> Source Code for the stock Android GSM telephony app. You then will
>> have to bodge the two together somehow .....
> please correct me if I'm wrong, but if the above was possible, then
> also, current SIP softphone apps would be able to do
> - conference calls with a mixture of GSM and SIP endpoints - transfer
> calls from/to GSM to/from SIP
> which as far as I know, none of the apps offer. If I remember
> correctly, one of the softphone app programmers provided a reason why
> the above will never work: you can't access a GSM call from an app
> due to security reasons.
It's true, I have not seen this problem.
I made several tests with various softphones without be able to transfer a
call on GSM to SIP.
> I'm not sure what percentage I'm right, but I'd strongly suggest a
> GSM gateway for the function either with ethernet and SIP support, or
> an FXO port. Much easier project.
It was for transferring incoming calls on mobiles present in the office.
From what I understand, a gateway is rather for outgoing calls.
Thank you for your reply.
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