Through cutting edge innovation Grandstream has developed a hardware platform that integrates with some of the largest Softswitch carriers in the world. A Softswitch is software that enables telephone calls from one phone line to another, across a network or the public Internet. Through this integration, any Grandstream handset can be deployed on the majority of Softswitch managed networks

Grandstream offers a complete voice over IP communications product portfolio. Their product portfolio includes a wide range of high-quality VoIP handsets, video conferencing solutions, as well as telephony gateways and Wi-Fi networking solutions.

Grandstream compatible Softswitch vendors include: