[Freeswitch-users] keep limit counter active across dialplans when used in attended transfers

[Bipin Patel]

Hi,

Well I could use it but with limit the counter decrementing etc is 
automatic so it's much simpler and reduces the dialplan required.

In the dialplan I provided how do you think I could use it directly without 
adding any more extensions in the two dialplan, any help would be 
appreciated. What I need to do is increment counter for caller and callee 
as well as callee transferred to and check that counter before bridging so 
change ring back can be called.




On June 25, 2017 8:43:29 PM Vallimamod Abdullah <vma at vallimamod.org> wrote:

> Hi,
>
> Is there any reason why you don't use the hash application directly instead 
> of limit?
> IMHO it is more suited to your use case.
>
> https://freeswitch.org/confluence/display/FREESWITCH/mod_hash
>
> Best Regards,
> --
> Vallimamod Abdullah
> SIP Solutions
> vma at sipsolutions.fr
> .
>
>
>> On 25 Jun 2017, at 17:10, Bipin Patel <bipin at xbipin.com> wrote:
>>
>> hi,
>>
>> i have a requirement where i need to generate a different ringtone if that 
>> ext is on another call and i do it using limit by setting a counter for the 
>> caller and callee and then checking the counter if it has a value of 1 
>> which would mean that ext is on anohter call so generate a different 
>> ringtone and this work fine.
>>
>> The problem being if A calls B and B attended transfers the call to C then 
>> the counter for C is incremented in the features dialplan but it doesnt 
>> reflect in the internal dialplan and i read that active limits dont remain 
>> global across dialplans so is there anyway to keep the limit counter 
>> active. i tried limit_ignore_transfer but that doesnt seem to work, im on 
>> the FS master
>>
>> Below is my internal and features dialplan, any pointers would be helpful
>>
>>
>> INTERNAL DIALPLAN
>>
>>     <extension name="general_stuff1" continue="true">
>>       <condition>
>>           <action application="set" data="rtp_negotiate_near_match=true"/>
>>           <action application="set" data="inherit_codec=true"/>
>>           <action application="set" data="suppress_cng=true"/>
>>           <action application="set" data="limit_ignore_transfer=true" />
>>           <action application="limit" data="hash max_calls ${sip_from_user} -1" />
>>       </condition>
>>     </extension>
>>
>>     <extension name="ChangeRingBack">
>>       <condition field="destination_number" expression="^ChangeRingBack$"/>
>>       <condition field="rdnis" expression="^(.*$)">
>>           <action application="set" 
>>           data="transfer_ringback=%(250,250,400);%(250,3500,400)"/>
>>           <action application="set" data="ringback=%(250,250,400);%(250,3500,400)"/>
>>           <action application="bridge" data="sofia/internal/$1%$${domain}"/>
>>       </condition>
>>     </extension>
>>
>>     <extension name="local_user_calling">
>>       <condition field="destination_number" expression="^(.*)$">
>>           <action application="limit" data="hash max_calls ${destination_number} -1" />
>>           <action application="bind_meta_app" data="3 b s execute_extension::att_xfer 
>>           XML features"/>
>>           <action application="set" 
>>           data="transfer_ringback=%(400,200,400,375);%(400,2000,400,375)"/>
>>           <action application="set" data="hold_music=$${hold_music}" />
>>           <action application="set" 
>>           data="ringback=%(400,200,400,375);%(400,2000,400,375)"/>
>>           <action application="set" data="call_timeout=30"/>
>>           <action application="set" data="hangup_after_bridge=true"/>
>>           <action application="set" data="continue_on_fail=true"/>
>>           <action application="limit" data="hash max_calls ${destination_number} 1 
>>           ChangeRingBack"/>
>>           <action application="bridge" data="sofia/internal/$1%$${domain}"/>
>>       </condition>
>>     </extension>
>>
>> FEATURES DIALPLAN
>>
>>     <extension name="att_xfer">
>>       <condition field="destination_number" expression="^att_xfer$">
>>           <action application="set" 
>>           data="transfer_ringback=%(400,200,400,375);%(400,2000,400,375)"/>
>>           <action application="set" data="hold_music=$${hold_music}" />
>>           <action application="set" 
>>           data="ringback=%(400,200,400,375);%(400,2000,400,375)"/>
>>           <action application="set" data="continue_on_fail=true"/>
>>           <action application="read" data="2 11 ivr/ivr-enter_ext.wav digits 30000 #"/>
>>           <action application="set" data="origination_cancel_key=#"/>
>>           <action application="limit" data="hash max_calls ${digits} -1" />
>>           <action application="att_xfer" data="sofia/internal/${digits}%$${domain}"/>
>>       </condition>
>>     </extension>
>>
>>
>> --
>> Regards,
>> Bipin
>>
>>
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