[asterisk-tech] QoS benefits of an ITSP?

Peter Retief peter at swenitech.com
Thu Mar 4 14:56:37 SAST 2010


IAX2 trunks can sometimes be choppy if the timing source is not good.

Try running zttest (or dahdi_test) at both ends should tell you how good
your timing is.

Peter

-----Original Message-----
From: clive18 at webmail.co.za [mailto:clive18 at webmail.co.za] 
Sent: 04 March 2010 11:55 AM
To: Asterisk Tech
Subject: Re: [asterisk-tech] QoS benefits of an ITSP?

what does "iax2 show netstats" show you.?

> Is jitter buffer enabled? Can you increase it? What is the ping? etc.
>
> Regards
> Frans Schneider
>
> Sunfire Technologies
> sunfireshop.co.za - under construction
> "IT hardware mega-reseller. We sell everything @ 10% markup"
>
> [image: Google Talk:] frans.schneider [image: Skype:] frans.schneider
>
>
> On Thu, Mar 4, 2010 at 10:34 AM, Yasser Slarmie
> <yassers_za at hotmail.com>wrote:
>
>>  Hi All,
>>
>> A friend has setup an IAX2 trunk between CPT and India across the
>> Internet
>> trying all sorts of codecs (G729, gsm etc...) and the voice is still
>> choppy.
>> Does anyone know whether using an ITSP could be beneficial in terms of
>> the
>> QoS SLA's those ITSP's have with their Service Providers?
>>
>> Regards,
>> Yasser
>>
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