SabaVoip provide VOIP Softswitch. It is Linux based softswitch specially designed for wholesale termination business . It has inbuild billing system
and capacity 5000 concurrent calls, it is very stable and most secure softswitch. If you are looking softswitch for wholesale route business then this is the best switch for you. it has Protocol Auto conversion H323 and SIP & Support all common codec like G729, G711 & G723 .