[Asterisk-Users] Bandwidth, again, can someone check my math?

Jay Milk jay at skimmilk.net
Sun Jan 23 11:35:35 MST 2005


Bump -- anyone?

> -----Original Message-----
> From: Jay Milk [mailto:jay at skimmilk.net] 
> Sent: Friday, January 21, 2005 11:26 AM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] Bandwidth, again, can someone check my math?
> 
> 
> I want to put a single voice-mail box on a remote server, 
> where I have metered bandwidth.  Before I do this, I want to 
> make sure it's feasible. Could someone confirm the following 
> math for me?
> 
> G.711, at 64kpbs has a rated network load of 88kbps.  
> So for each second of conversation, about 11KB are crossing 
> the wires in each direction.  
> That means for a minute of two-way conversation, 1.3MB of 
> data are transferred? That means for each GB of bandwith, 
> callers can leave almost 800 minutes worth of voice-messages?
> 
> Of course, this gets much better if we can get incoming calls 
> on GSM, arriving at something like 2,500 minutes/GB.
> 
> Is that correct, or did I mess up a decimal point somewhere?




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