Grandstream Overview
May 23, 2023 Knowledge
The Grandstream IP/PBX uses analog phone lines to place and receive phone calls. Since the device supports SIP (Session Initiation Protocol), it can be used by WIN-911 as an alternative to TAPI modems anywhere analog phone lines are available to make phone calls.
WIN-911 interfaces with the Grandstream using a VoIP connection, the Grandstream then routes the call to the attached analog line. The Grandstream device must be on the same subnet as WIN-911 and does not require an internet connection.
Grandstream Configuration
Depending on how you purchased your Grandstream device, you will need to reference one of the following two procedures: