Deploy the GXW4200 series to allow any businesses to create a cost-effective hybrid IP and analog telephone system that allows them to enjoy the benefits of VoIP communications while preserving investment on existing analog phones and wiring.

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The Grandstream GXW42XX Gateway is Custom Order.  Custom Order products may not be returned for a refund.   The GXW42XX can be used as a PBX phone system without connecting to a customer supplied analog PBX.   Successful integration of the GXW42XX with a customer supplied PBX phone system will require a competent technician certified by the PBX manufacturer.  TSS Solutions does not provide technical support for customer supplied hardware or software even when connected to TSS Solutions products or services.