This Frequently Asked Questions (FAQ) document provides concise answers to common/general questions related to Grandstream Products. It is intended to assist administrators and users in resolving common issues and understanding key features.
All RMAs are handled by the Grandstream Certified Partner that sold the product(s). Additional information can be found here
Please find the General Public License and GNU GPL-related source code on this page.
The General Public License can be downloaded here.
Grandstream designs all of its products to be fully interoperable with IPPBXs, traditional PBXs, softswitches, SIP-based platforms, and open-source-based telephony platforms. Grandstream is actively involved and welcomes the opportunity to work with the leading players in the telecommunications industry to ensure compatibility and interoperability with all SIP-based platforms. To learn more, please refer to our partnership programs page.