[SR-Users] NER and ASR

[Daniel-Constantin Mierla]

Hello,


On 07/11/16 10:05, Carsten Bock wrote:
> Hi Gholamreza,
>
> probably, no one can provide you this information, as it heavily
> depends on your setup and the network configuration, your targeted
> setup and your targeted customers.
>
> If you run Kamailio for Telemarketing services, you could expect a
> lower ASR, than for regular residential services. We have a NER of
> 100% in all of our setups (residential, VoLTE, WebRTC, Class4), but
> what does this number tell you? Probably, that we scale our solutions
> according to the requirements or that we currently have fewer
> customers on WebRTC than on VoLTE or fixed? ;-) Likely, if you run
> WebRTC, you'll have a lower number of online users and concurrent
> calls than for a classic residential service, as you'll have to do TLS
> and SRTP and not simple UDP and pass-through RTP. If you provide a
> WebRTC to WebRTC service, the numbers are different, than if you
> provide a WebRTC breakout service....
>
> Some references:
> - 1&1 is running Kamailio for 2,5 Mio (??) subscribers.

more up to date numbers about 1&1 can be found in their presentation at
Kamailio World 2016:

  *
http://kamailio.org/events/2016-KamailioWorld/Day2/20-Pawel.Kuzak-High-Quality-Telephony-Using-A-Fail-Safe-Media-Relay-Setup.pdf

Cheers,
Daniel

> - we've been running Kamailio for 1,3 Mio residential subscribers on
> two Hardware boxes (common Dell Servers) some 10 years ago, running up
> to 60k concurrent calls. We've been able to do this on only two
> servers, as we did not have to take care about Media-Relaying. That
> setup had an NER of 100% and an ASR between 50% and 80%, the ASR was
> higher during the evenings, as people were at home.
>
> Thanks,
> Carsten
>
> 2016-11-07 8:43 GMT+01:00 Gholamreza Sabery <gr.sabery at gmail.com
> <mailto:gr.sabery at gmail.com>>:
>
>     Are there any real data about number of concurrent calls, number
>     of on-line users, NER (Network Effectiveness Ratio) and ASR
>     (Answer Seizure Ratio) of a real VoIP system? I want this data for
>     making comparisons. Can anyone provide a reference, article, etc..
>
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>
>
> -- 
> Carsten Bock
> CEO (Geschäftsführer)
>
> ng-voice GmbH
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> 20359 Hamburg / Germany
>
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-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Berlin, Nov 28-30, 2016 - http://www.asipto.com

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