[Asterisk-Users] Debit/Credit Card Terminals

[Trevor Peirce]

Andrew Kohlsmith wrote:

>Terminal -> Adit600 FXS -> * -> 1 hop -> * -> PRI
>
>Must use ULAW and must have a decent connection (low low jitter and latency).    
>We have incoming and outgoing faxes doing this without issue.  I can't get 
>faxes to go through Nufone with any kind of steady success but it's because 
>my connections a little jittery and I'm using an amazingly picky Canon IR3300 
>for faxing.
>
Yes we will be using ulaw.  ping/traceroute shows 5 hops and about 25 ms 
between the SPA and *.  I would figure that means about 13 ms one-way 
latency which should be enough to keep it happy?

Trev