The Grandstream UCM6202 VoIP 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 UCM using a VoIP connection, the UCM then routes the call to the attached analog line(s). The UCM6202 supports up to two analog lines allowing WIN-911 to handle up to two calls simultaneously. The UCM device must be on the same subnet as WIN-911 and does not require an internet connection.
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