is a enterprise level SMS gateway that supports 4 SIM cards and it is scalable, e.g. 4x2, 4x3, 4x4, ... it has a powerful SMS engine with wide range of sending rule.
is a enterprise level SMS gateway that supports 8 SIM cards and it is scalable, e.g. 8x2, 8x3, 8x4, etc.
it has a powerful MOBITEK SMS Engine with wide range of sending rule.