[SR-Users] CallControl and MediaProxy

[Jeff Brower]

Reda-

> It's clear but not necessary. It can look at radius records fixed by
> mediaproxy on RTP timeout to debit the correct balance as well. And why
> also force it on postpaid calls which it doesn't control at all ?

I don't understand how you plan to tear down Kamailio calls that suffer RTP time-out?

-Jeff

> What happens is cost and performance issues for additional calls passing
> through my mediaproxy server, which I didn't plan for at first. No audio
> issue at all.
>
> Reda
>
>
>
> On Thu, Feb 23, 2012 at 11:58, Sammy Govind <govoiper at gmail.com> wrote:
>
>> Reading from the module docs its clear why it needs to engage media/rtp
>> proxy to start,stop billing or timer of a call. so what happens when it
>> engages mediaproxy on unwanted calls !? audio-issues?
>>
>>
>> On Thu, Feb 23, 2012 at 1:21 PM, Reda Aouad <reda.aouad at gmail.com> wrote:
>>
>>> Thanks Sammy. I didn't get any reply yet.
>>>
>>> CallControl is an application used with CDRTool for prepaid calls. It
>>> calculates the maximum call duration based on the user's balance. Once the
>>> call's duration limit is reached, it sends BYE to both calling parties,
>>> terminating the call. At the end of a prepaid call, terminated either by
>>> the user or by CallControl, it debits the user's balance according to the
>>> call's duration.
>>>
>>> The Call_Control module interfaces with this external application.
>>>
>>> call_control function is called in Kamailio's cfg to check if the user
>>> has prepaid or postpaid account, and get the max call duration for prepaid
>>> users. CallControl controls only prepaid calls, not postpaid ones.
>>>
>>> So call control and NAT traversal using mediaproxy are two differents
>>> things which i can't link, since I don't want mediaproxy for every call.
>>> And since the function call_control is called on every invite before
>>> knowing if the user has a prepaid account or not, it engages mediaproxy for
>>> every call.
>>>
>>> CallControl relies on mediaproxy to detect RTP timeouts and debit the
>>> correct balance from a prepaid account based on the last instant the
>>> mediaproxy saw an RTP packet.
>>>
>>> But why to force using mediaproxy with no choice? And why to force it for
>>> every call, whether it falls under CallControl's control or not?
>>>
>>> I am using Kamailio 3.2.
>>>
>>>
>>> Reda
>>>
>>> On 23 févr. 2012, at 07:21, Sammy Govind <govoiper at gmail.com> wrote:
>>>
>>> Hi,
>>> I can see you posting multiple times on both proxies listings so I'm sure
>>> you havent heard back from anyone.I am not at all familiar with your
>>> functions in email but could it be possible for you to determine on which
>>> calls you need to engage mediaproxy and on which not to, then on the base
>>> of that flag use the call_control function !
>>> your problem is complicated for me atleast. I hope somebody could answer
>>> you accurately and precisely.
>>>
>>> btw, what are you using in real? opensips or kamailio, which version? and
>>> in what context you need to use the call_control function?
>>>
>>> Thanks,
>>> Sammy
>>>
>>> On Thu, Feb 23, 2012 at 12:45 AM, Reda Aouad <reda.aouad at gmail.com>wrote:
>>>
>>>> Hi,
>>>>
>>>> When I use the function call_control( ) of the call_control module, it
>>>> automatically engages mediaproxy if it finds the mediaproxy module loaded.
>>>> If the mediaproxy module is not loaded, call_control doesn't even try to
>>>> engage it.
>>>>
>>>> I need mediaproxy for NAT traversal in some cases, but don't want it to
>>>> be engaged on every call.
>>>>
>>>> How can I disable this behavior?
>>>>
>>>> Thanks
>>>> Reda
>>>>
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>>
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