Grandstream HandyTone 502

Grandstream HandyTone 502


HandyTone 502 (HT-502) from Grandstream is an analog 2xFXS, 2xETH VoIP Gateway (SIP ATA adapter) with the integrated router.

Grandstream HandyTone series adapters (ATA / IAD / VoIP Gateway) offer a wide range of devices with excellent voice quality and other features, which allow user to choose the best device model suiting their needs.

Fully focused on open standards, these VoIP-gateways guarantee work with multiple systems, Softswitches and servers from various producers, supporting the SIP protocol. The HandyTone solutions have been tested and successfully used by many operators of IP-telephony (VoIP) around the world.

VoIP-Gateways from Grandstream Networks are successfully used by more than a dozen operators across the globe. VoIP-gateways produced by Grandstream Networks have been known in the U.S. telecommunications market as a reliable, easy to set up and use, low cost solutions for service providers and end users.


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Portech MV-374

Portech MV-374Portech MV-374 is a 4-channel VoIP-GSM gateway, which is responsible for converting GSM signal into VoIP (SIP) protocol. Used as a terminal server to route incoming calls from GSM network operators, VoIP communication, as well as a device for switching IP PBX, protocol-based SIP (RFC2543, RFC3261) with GSM. The device is compatible with IP PBX Asterisk, Elastix, Trixbox, Free PBX and registered on the SIP-server as a terminal device.

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