The Kirk Wireless Server 400 is the DECT-IP solution dedicated to the coverage of small and medium-sized environments and supports 12 registered handsets for a total of 6 simultaneous calls.
Using the additional license (sold separately), it is possible to register up to 30 users and manage up to 12 simultaneous calls.

It can be used in both Single Cell and Multi Cell mode (Multi cell license to be purchased separately). In Multi Cell mode up to 3 IP Base Stations (see the product page here).

Thanks to the support of the SIP protocol, it is perfectly compatible with your VOIspeed PBX.
The KWS400 is compatible with the entire line of Kirk DECT phones.

The warranty period for this product is 12 months.