Grandstream are manufacturers of Voice over IP (VoIP) equipment such as telephone systems, phones and analogue adapters.
The UCM range of IP PBX appliances offers excellent functionality at a very good price.
If you are a small business starting out or an established business that want a highly functional system that won't cause your accountant nightmares then consider the Grandstream range. All systems offer legacy connectivity with analogue lines (Primary Rate ISDN for UCM6510) and analogue phones. One of the big attractions is all the features are available out of the box without purchasing additional licenses.
Capacities are as follows:
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SIP endpoints can be desk phones, mobile clients, cameras, paging speakers, loud alerters or door phones
A wide range of telephones is offered but our favourites are the GXP2135 or better featured GXP2170. If budget is a problem then an alternative is the GXP1782 with a monochrome screen. If integrated video is required then the Android-based GXV3240 and GXV3275 are available.
The UCM series will self provision the phones which speeds up the installation time considerably cutting the installation cost. For remote sites it is possible to send out a preconfigured pack to be plugged in.