[Asterisk-Users] 3 x TDM400P in one PC ??

[Eric Wieling aka ManxPower]

Joerg Wleklik wrote:
> On Fri, 6 May 2005 22:10, Eric Wieling aka ManxPower wrote:
> 
>>Joerg Wleklik wrote:
>>
>>>Hi Folks,
>>>
>>>Does anybody have experiences with plugging 3 TDM400P cards in one PC??
>>>
>>>I think about a Asterisk box handling 8 incoming analogue lines and 
> 
> providing 
> 
>>>4 lines to an old analogue PBX. 
>>>
>>>I read a lot about trouble with the TDM400P cards so this idea seams to be 
> 
> not 
> 
>>>really god, or?
>>
>>If you need 12 ports then you should use a T-1 card and a Channel Bank.
>>
>>
> 
> 
> That would be easy, but......
> 
> I have 8 analogue lines incoming right now and changing the phone number is 
> not an option (costs for advertising). This lines go right now into an 
> analogue PBX. A new building will get IP-Phones connected to an asterisk box.
> The idea is to take the incoming calls in the asterisk, route to the new 
> building via IP and serve the old PBX with 4 analogue lines. 

A channel bank provides analog ports and allows you to interface them to 
Asterisk via a T-1 card.

Asterisk(T-1 card)<->(T-1 interface)Channel Bank(analog interface)