The SGSM x series GSM/CDMA VoIP Gateway is a multi‐functional product used to effectively implement the smooth transition between PLMN (GSM/CDMA) and VoIP network. The GSM/CDMA VoIP gateway is designed for comfort, ease‐of‐use to satisfied necessary of customers. It is not only inherits tradition of quality voice communication over IP network but reduce the human resource of VoIP network deployment. It’s a cost‐effective gateway for call termination (VoIP to GSM/CDMA) and origination (GSM/CDMA to VoIP). It is fully compatible with leading Softswitch and SIP servers.