[Freeswitch-users] Questions about mod_fifo

[Seven Du]

2010/1/15, Jingwei Yang <jingwei.yang at gmail.com>:
> Hi Guys,
>
> I'm implementing an ACD system using ESL and mod_fifo. Based on what Anthony
> suggested in this post:
> http://www.mail-archive.com/freeswitch-users@lists.freeswitch.org/msg01652.html
>
> *You can make an event socket application that listens for FIFO events and
> keeps track of what FIFOs are currently busy and when there are people
> waiting you can have that script generate a call to a group of SIP phones so
> when the first one answers, it sends them in as an agent where they can
> field the calls.
> *
>
> 1. How should I handle the concurrent issues? If I bridge a user to two
> agents and both of them answers, how does FS take care of this situation?
> Will a slower agent get a busy tone automatically?
>

I think it just follow the standard originate dialstring rules.

> 2. If the socket application is brought up after some users have called in,
> what command should I use to check the busy queues? fifo list?
>
Yes. Perhaps you can also check the fifo db, either sqlite or ODBC.

> 3. Am I using fifo list and fifo count correctly?
>
> here's the testing dialplan:
>
>     <extension name="in_fifo">
>       <condition field="destination_number" expression="^779$">
>         <action application="set" data="fifo_music=$${hold_music}"/>
>         <action application="answer"/>
>         <action application="fifo" data="*myq *in"/>
>       </condition>
>     </extension>
>
> when a call comes in and gets queued, these are the results of some commands
> I tried.
>
> freeswitch at localhost.localdomain> fifo list
> API CALL [fifo(list)] output:
> <fifo_report>
>   <fifo name="cool_fifo at 192.168.1.104" consumer_count="0" caller_count="0"
> waiting_count="0" importance="0">
>     <callers></callers>
>     <consumers></consumers>
>   </fifo>
> </fifo_report>
>
>
> freeswitch at localhost.localdomain> fifo list myq
> API CALL [fifo(list myq)] output:
> <fifo_report></fifo_report>
>
>
> freeswitch at localhost.localdomain> fifo count myq
> API CALL [fifo(count myq)] output:
> none
>
> It seems *myq* doesn't get created at all? Please enlighten.
>
> Thanks and best regards,
> -Jingwei
>
AFAIK, thant means the channel didn't queued in. Did you see any error
logs? I think you need to remove the stars in   <action
application="fifo" data="*myq *in"/>.