[Freeswitch-users] Delayed start of tone_detect

Tue Mar 22 21:46:20 MSK 2011

set the sleep value to something really low, like 20ms or something. Find
the lowest value that still lets the tone_detect work.
-MC

On Tue, Mar 22, 2011 at 10:59 AM, Stephen Wilde <wstephen80 at gmail.com>wrote:

> I cannot slow down the call rate, this is a real traffic and is not
> generate but the session rate it's not a real problem because my session
> rate is never more then 100cps with a medium value of 50cps so, when I
> activate this sleep, Freeswitch calculate a wrong CPS value. It seems that
> during sleep, FS freezes, as the sleep is performed synchronously.
>
> Another effect is:
>
> 2011-03-22 09:17:57.551069 [ERR] mod_freetdm.c:2177 Session for channel
> 29:15 not found [UUID: N/A]
> 2011-03-22 09:18:00.181462 [ERR] mod_freetdm.c:2177 Session for channel
> 29:18 not found [UUID: N/A]
> 2011-03-22 09:18:00.301001 [ERR] mod_freetdm.c:2177 Session for channel
> 25:25 not found [UUID: N/A]
> 2011-03-22 09:18:03.931076 [ERR] mod_freetdm.c:2177 Session for channel
> 10:3 not found [UUID: N/A]
> 2011-03-22 09:18:05.331547 [ERR] mod_freetdm.c:2177 Session for channel
> 10:10 not found [UUID: N/A]
> 2011-03-22 09:18:06.768937 [ERR] mod_freetdm.c:2177 Session for channel
> 24:14 not found [UUID: N/A]
> 2011-03-22 09:18:07.248782 [ERR] mod_freetdm.c:2177 Session for channel
> 24:26 not found [UUID: N/A]
> 2011-03-22 09:18:07.797798 [ERR] mod_freetdm.c:2177 Session for channel
> 24:15 not found [UUID: N/A]
>
> and many calls are dropped (I never seen these errors before).
> Removing the sleep from dialplan, all revert to normal.
>
> Stephen
>
> On Tue, Mar 22, 2011 at 6:26 PM, Michael Collins <msc at freeswitch.org>wrote:
>
>>
>> On Tue, Mar 22, 2011 at 1:29 AM, Stephen Wilde <wstephen80 at gmail.com>wrote:
>>
>>> I have tested this trick with 1 call and it worked fine but when tested
>>> on a production environment doesn't work.
>>>
>>> The problem seems to be the "sleep" called by "execute_extension"
>>> executed on answer.
>>>
>>> If I activate this extension, I see in freeswitch log:
>>>
>>> 2011-03-22 09:18:10.191304 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1326
>>> 2011-03-22 09:18:10.193260 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1326
>>> 2011-03-22 09:18:10.194796 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1323
>>> 2011-03-22 09:18:10.194796 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1323
>>> 2011-03-22 09:18:10.199238 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1317
>>> 2011-03-22 09:18:10.204815 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1314
>>> 2011-03-22 09:18:10.204815 [CRIT] mod_sofia.c:3896 Error Creating Session
>>> 2011-03-22 09:18:10.214916 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1302
>>> 2011-03-22 09:18:10.214916 [CRIT] mod_sofia.c:3896 Error Creating Session
>>> *2011-03-22 09:18:10.377962 [CRIT] switch_time.c:788 Over Session Rate
>>> of 200!*
>>>
>> Notice the above line!
>>
>> You are overwhelming your system with too many calls in such a short
>> period of time. Slow things down a bit on your call generation. Also, you
>> can probably experiment with the sleep time. 500ms might be too long. Try
>> setting it to something shorter, like 100ms or so. That might help speed
>> things up a bit. Shaving 400ms off the call may not seem like a lot but if
>> you're doing hundreds of calls per second then that 400ms will add up
>> quickly.
>>
>> -MC
>>
>>
>>
>>> 2011-03-22 09:18:33.938094 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1266
>>> 2011-03-22 09:18:33.938094 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1266
>>> 2011-03-22 09:18:33.939077 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1266
>>> 2011-03-22 09:18:33.939077 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1266
>>> 2011-03-22 09:18:33.944077 [CRIT] switch_core_session.c:1646 Throttle
>>> Error! 1264
>>> 2011-03-22 09:18:33.944077 [CRIT] mod_sofia.c:3896 Error Creating Session
>>>
>>> Stephen
>>>
>>> On Tue, Mar 22, 2011 at 8:54 AM, Stephen Wilde <wstephen80 at gmail.com>wrote:
>>>
>>>> Thank you Michael, with this trick it works fine!
>>>>
>>>>
>>>> On Tue, Mar 22, 2011 at 6:33 AM, Michael Collins <msc at freeswitch.org>wrote:
>>>>
>>>>> Add this to your dialplan...
>>>>>
>>>>> <extension name="start tone detect">
>>>>>    <condition field="destination_number"
>>>>> data="custom_start_tone_detect">
>>>>>     <action application="sleep" data="500"/>
>>>>>     <action application="tone_detect" data="MYTONE 680 ro +5000 set
>>>>> MYTONE=1"/>
>>>>>   </condition>
>>>>> </extension>
>>>>>
>>>>> ...then change your export...
>>>>> <action application="export"
>>>>> data="nolocal:execute_on_answer=execute_extension
>>>>> custom_start_tone_detect"/>
>>>>>
>>>>> Let us know if that does the trick.
>>>>>
>>>>> -MC
>>>>>
>>>>> On Mon, Mar 21, 2011 at 12:33 PM, Stephen Wilde <wstephen80 at gmail.com>wrote:
>>>>>
>>>>>> I start the tone_detect on answer using "execute_on_answer" as:
>>>>>>
>>>>>> <action application="export"
>>>>>> data="nolocal:execute_on_answer=tone_detect MYTONE 680 ro +5000 set
>>>>>> MYTONE=1" />
>>>>>>
>>>>>> but I have the necessity to start the tone_detect for example 500ms
>>>>>> after answer: there is a way to do that in dialplan?
>>>>>>
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>>>>>>
>>>>>
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