[Freeswitch-users] Limit

[Shaun Stokes]

During testing I’ve come across another way for the limit to apply on B leg with-out transferring the call out of the LUA script.

We simply execute this line before the bridge:
session:execute("export","nolocal:execute_on_pre_answer=limit hash "..domain_name.."_bleg "..extension.." "..limit_max.." "..limit_destination);

This results in the limit being applied on B leg before the call is answered.

We continue to apply a separate limit on A leg as before, the above is be used as an additional measure to limit B leg in the event that extensions use features such as attended transfer to exceed their available channels.


From: Shaun Stokes
Sent: 30 June 2017 16:23
To: 'FreeSWITCH Users Help' <freeswitch-users at lists.freeswitch.org>
Subject: RE: [Freeswitch-users] Limit

I should also point out, the extensions are transferring to external PSTN numbers not local to FreeSWITCH.

I’ll give this a try and will provide feedback, we’ll need a new dialplan to bridge the gateway.

Thanks,
Shaun

From: FreeSWITCH-users [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Luis Daniel Lucio Quiroz
Sent: 30 June 2017 12:45
To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org<mailto:freeswitch-users at lists.freeswitch.org>>
Subject: Re: [Freeswitch-users] Limit

In your script, do a transfer instead a bridge. Let the dialplan deal with the bridge

Le 30 juin 2017 7:05 AM, "Shaun Stokes" <shaun.stokes at itec-support.co.uk<mailto:shaun.stokes at itec-support.co.uk>> a écrit :
Hi All,

In our environment we restrict the number of current channels (using limit) per extension, however using attended transfer allows extensions to exceed the limit since leg a ends once the transfer completes which resets the limit to 0.

I believe the solution is to apply the limit on leg b, however leg b is initiated via a bridge (with-in our outbound LUA script).

How can we apply the limit to leg b, or is there a better solution?

Thanks,
Shaun
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Shaun Stokes - Infrastructure Analyst

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