Hi Hector, Your points make sense but I have some specific issues for my application so I thought of binding only one call per runnning instance. 1. My outbound socket application is one component/server of our Spoken Dialogue System (SDS). We have four ports Nuance ASR/TTS licenses, each port is specific to one machine( yeah, we have four seperate license files for four machines). It seems to be difficult to specify which channel uses which Nuance MRCP profile if simultenous calls are answered by only one instance. 2. It seems to me that the log info would be mixed for simultenous calls if running one instance. 3. My socket app will be communicating with other components/servers of the SDS via ICE middleware (http://www.zeroc.com/). It will register to the central ICE server when starting the system via a Topic name which is a static name given by the developer, it will keep publishing ASR results on that topic so the other components listening on the topic will get the results, and it also subscribes and listens to other topics from other components for TTS. In simultenous calls to one running instance scenario, the distinguishable thing between channels would be the channel UUID which I could use as a part of the topic name, but it is dynamic and other servers could not know it when registering to the central server. I could let the all channels publish results with a same static topic name and channel UUID, the interested parties could parse the results they want based on the UUID, but I worried this would cause more burdens to the whole system. 4. Even if running one instance, I still need some ways to check and control the maximum number of calls as we have limited ASR/TTS resources. Cheers, Xing On 06/10/11 22:34, Hector Geraldino wrote:
This might sound a little bit Off-Topic but, why are you willing to bind only one call per running instance? I cannot imagine any user scenario where this is desirable. Maybe as a proof of concept is Ok, but having an equivalence between calls and instances mmm... I don't know.
Can you please tell me what are you willing to accomplish? I'm really curious about it.
-----Original Message----- From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Anthony Minessale Sent: Thursday, October 06, 2011 3:20 PM To: FreeSWITCH Users Help Subject: Re: [Freeswitch-users] Bridge calls to Java ESL socket does not work as expected
don't actually hang it up just don't connect the socket or connnect it and disconnect it right away and the app will fail on in the dial-plan.
again you could try mod_limit otherwise.
On Thu, Oct 6, 2011 at 11:28 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="127.0.0.1:9981 async full"/> </condition> </extension>
<extension name="myOutboundESL5802"> <condition field="destination_number" expression="^5802$"> <action application="socket" data="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
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