[Asterisk-Users] How much bandwidth needed?

[Zoa]

Crazy Boy wrote:
> Hi Friends,
>
> I am implementing Asterisk PBX in our office with 180 extensions. In 
> our office, we will make 3 calls to USA daily. We have 1 MBPS 
> bandwidth from ISP and 100 MBPS bandwidth in our LAN.  I have two doubts.
>
> 1) How much bandwidth should we allocate for making VOIP calls?  What 
> can be the projected use of bandwidth to make International VOIP calls?
Go have a look here...
http://www.asteriskguru.com/tools/bandwidth_calculator.php
>
> 2) Can I use Pentium IV system, 2.6 GHz processor speed with 512 MB 
> RAM as dedicated Asterisk server?
3 calls a day ? How many simultaneous calls maximum to any destination ? 
you can probably do 40-50 simultaneous calls with the most cpu intense 
codecs. (g729, iLBC, speex) and 2 to 3 times more with ulaw/alaw/gsm
>
> 3) Now I am making calls to USA using Voipjet.com provider. How can I 
> receive incoming calls through VoIP? How can I get my own incoming 
> VoIP number?
>
> Looking forward for your reply.
>
> Thanks&Regards,
> Chandra.
>
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