[Asterisk-Users] Over 10,000 lines. Will asterisk manage?

[James Taylor]

On Sat, 13 Nov 2004 10:37:27 -0500, Raymond McKay  
<asterisk at raynettech.com> wrote:

>> So, why not use SER to register all the SIP phones, as it doesn't  
>> handle the
>> media-streams, just keeps track of the phones and does the 'handshake'.
>> SER is supposed to be able to handle over 50.000 calls at a time, so  
>> one SER
>> server would be enough.
>> Then interface this with one (or more) Asterisk servers to connect to  
>> the
>> local PSTN.
>> But maybe I'm missing something fundamental, in which case I'm happy to  
>> learn.
>
> I'm guessing, and I'd can't say for sure without seeing the actual  
> physical layout of all of this, that the final solution would probably  
> be a combination of SER and Asterisk with Asterisk getting used for  
> endpoint connections and SER as a routing solution.  There are really  
> two virtual topologies that need to be considered to make such a  
> judgment though. First, the actual network structure has to be finely  
> analyzed.  You need to know where your bottlenecks exist, latency issues  
> within the network, and other such factors that could cause network  
> issues.  During the same time, its also probably a good idea to consider  
> your potential network points of failure so you can plan on strategies  
> should something go wrong.  Second, you need to look at the virtual  
> telephone exchange you are creating to understand how and where traffic  
> is going to flow.  In certain cases, you may want SIP devices talking to  
> each other such as backend connections, but you really aren't going to  
> want to have SIP endpoint devices doing this as 1) Some countries may  
> and probably will start implementing wiretap requirements that will  
> force you to redesign your entire network. 2) Accounting and control of  
> devices is much harder when your devices are talking P2P.  Just look at  
> all the problems the RIAA has when trying to regulate P2P networks.
>
> 15,000 endpoints may sound like a lot, but realistically, never more  
> than about 1/8 - 1/4 will be inuse at the same time depending on the  
> environment. Realistically, I see this kind of size system being more of  
> a network design issue than a VoIP one so the key is to make sure you  
> have a good network engineer planning the network and knowing what that  
> network is going to really get used for.
>
>
> Raymond McKay
> President
> RAYNET Technologies LLC
> http://www.raynettech.com
> (860) 833-9720 _______________________________________________
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**************************
I'm using MAX TNT'S for PSTN inteface (8T1'S to DS3)
It's a gateway so you can do TDM, SIP, ISP, ISDN, SS7 (limited) in one box.
SER is the "TANDEM", this keeps the audio out of the "box".
Asterisk is the "END OFFICE" with all of the class 5 type features, CDR,  
etc.users with Some users get Asterisk as well, especially for stuff like  
911 on a single POTS line.
Larger end users might get Asterisk with IAX trunking back to the "end  
office".
James Taylor


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