Ejointech ACOM508-8 VoIP Gateway is a high-performance, multi-functional device that supports up to 8 concurrent calls. It is designed for a variety of applications, including VoIP termination, call routing, PBX integration, mobile VoIP, conference calling, voicemail, IVR, and fax over IP,also support SMS function. It is a reliable and effective VoIP solution for businesses.