[SR-Users] NER and ASR

[Gholamreza Sabery]

Thank you so much Carsten.

On Mon, Nov 7, 2016 at 12:35 PM, Carsten Bock <carsten at ng-voice.com> 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.
> - 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>:
>
>> 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
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>
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