[Asterisk-Users] Modem Over IP: solutions ?

[Jorge Mendoza]

We use use RS232 to Ethernet converters to solve this kind of 
applications, for instance Moxa.

Jorge Mendoza

Jean-Michel Hiver wrote:
> Hi,
>
> I have a potential client who has legacy alarm systems which use 
> modems to transmit encoded data to a remote location through the PSTN. 
> They wish to replace the 'PSTN' bit with an IP link.
>
> I am aware that it would be best if the data was transmitted directly 
> over IP rather than modulated and then sent on the internet, but that 
> is not possible because of the legacy equipment.
>
> I was wondering if there was some specialized ATAs of some kind that 
> would do TDMoIP and which could be used for this purpose?
>
> Link latency is about 300ms with no more than 10ms jitter. If you have 
> a solution please let me know!
>
> Cheers,
> Jean-Michel.