Dear all I am looking for suggestion , solution. my scenario is : ppls will call to my gsm number my gsm will response IVR from my Asetrisk box. ( with a2blling ) and could make call now i am looking for cheap hardware solution for that gsmgateway .my Budget is around 5000US$ for 24 gsm gateways. I am planing to use 3 tenor ( with 8 ports fxo each ) and 24 telullar but will that work? as i did that using land line and its working fine . pls let me know iif anyone has solutions (under my budget) Thanks Salaque