Thanks Michael!

I am not quite clear how to check if the outbound socket is answering a call by using FS global_setvar and global_getvar APIs,
but will have a look at them.

Cheers,
Xing


On 06/10/11 18:08, Michael Collins wrote:
Perhaps you could rely on FreeSWITCH's global_setvar and global_getvar APIs. You could perhaps create a global var whose name is the uuid and then put some meaningful value in it. You would just need to make absolutely certain that you clear out that variable manually, otherwise you'll have a lot of junk variables. 

-MC

On Thu, Oct 6, 2011 at 9:28 AM, xl127 <x.liu@hw.ac.uk> wrote:
Thanks for the suggestions!

I thought about and tried to make my outbound socket application
fail e.g. by send a hangup message but it didn't work.

What I did is that I set a public variable channelUUID with initial
value null in MyOutboundHandler,
I check if it is null in the handleConnectionResponse method. If it not
null, a hangup command is sent to FS.
But it looks like each call channel creates its own Java thread, so the
channelUUID is always null before the connection.
So my approach doesn't work.

Any idea about checking if the remote application is answering a call?

Thanks!
Xing


On 06/10/11 16:43, Anthony Minessale wrote:
> Really the socket app has not limit to how many simultaneous
> connections it can handle.
> You could try mod_limit, or make the remote end of you application
> fail when there are too many connections.
>
>
> On Thu, Oct 6, 2011 at 10:30 AM, xl127<x.liu@hw.ac.uk>  wrote:
>> Hello,
>>
>> I am trying to bridge multiple calls to multiple Java ESL outbound
>> socket applications.
>>
>> Basically I want to check if the first socket app is engaged then the
>> call should be transferred
>> to the second socket app and so on.
>>
>> For initial test, I tried two concurrent calls, the problem is both
>> calls are always answered
>> by the first outbound socket.
>>
>> I have following setting in the dialplan:
>>
>> <extension name="sipgateDialedIn">
>> <condition field="destination_number" expression="^5800$">
>> <action application="set" data="continue_on_fail=true"/>
>> <action application="set" data="hangup_after_bridge=true"/>
>> <action application="bridge" data="loopback/5801"/>
>> <action application="bridge" data="loopback/5802"/>
>>
>> <action application="set" data="tts_engine=flite"/>
>> <action application="set" data="tts_voice=kal"/>
>> <action application="speak" data="Sorry, I am busy at the moment. Please
>> try again later."/>
>> <action application="sleep" data="10"/>
>> <action application="hangup"/>
>> </condition>
>> </extension>
>>
>> <extension name="myOutboundESL5801">
>> <condition field="destination_number" expression="^5801$">
>> <action application="socket" data="MailScanner has detected a possible fraud attempt from "127.0.0.1:9981" claiming to be 127.0.0.1:9981 async full"/>
>> </condition>
>> </extension>
>>
>> <extension name="myOutboundESL5802">
>> <condition field="destination_number" expression="^5802$">
>> <action application="socket" data="MailScanner has detected a possible fraud attempt from "127.0.0.1:9982" claiming to be 127.0.0.1:9982 async full"/>
>> </condition>
>> </extension>
>>
>> I expect the first call to 5800 would be asnwered by extension 5801, the
>> second concurrent call to 5800 will be
>> answered by extension 5802, and the third call gets a busy message.
>>
>> I use Java ESL client-0.9.2 libraries. How do I check in the dialplan if
>> the socket is engaged?
>>
>> I've tried and googled a while but without success.
>>
>> Any advices please?
>>
>> Many thanks!
>> Xing
>>
>>
>>
>> --
>> Heriot-Watt University is a Scottish charity
>> registered under charity number SC000278.
>>
>> Heriot-Watt University is the Sunday Times
>> Scottish University of the Year 2011-2012
>>
>>
>>
>>
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>
>



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Heriot-Watt University is a Scottish charity registered under charity number SC000278.

Heriot-Watt University is the Sunday Times Scottish University of the Year 2011-2012