RoIP Gateway


The RoIP Gateway is a device that allows many different communications systems to work together. It has two primary functions: firstly, the gateway allows remote RoIP networks to connect together as if they were one. Secondly, the gateway acts as a converter that integrates many different radio and telephony systems.

Bridge Mode

Bridge Mode Connection

The bridge mode simply bridges two radio systems over an IP network in a unicast transmission. (Unicast is the term used to describe communication where a piece of information is sent from one point to another point. In this case there is just one sender, and one receiver.)

Mixing Function

The mixing function mixes conversations from different bridge groups. By using the mixing function, unicast transmission can be relayed to a different radio group.

IDAS™ To Analogue Connection

The IC-FR5000 repeater series can be connected with the VE-PG3 via Ethernet cable (IP network) using the UC-FR5000 (#02 or #03) network board. The CT-24 digital voice converter is required for use with the VE-PG3.

IP Multicast Connection with SP-VPN1

When used with the optional SR-VPN1 VPN router, 3 or more radio groups are connected with an IP multicast transmission system in the bridge mode. (Multicast is the term used to describe communication where a piece of information is sent from one or more points to a set of other points).

Cross-Band Connection*

Cross-Band/Cross-Category connection is possible between VHF/UHF land mobile, marine VHF and air-band frequencies. Optional audio connection cables allow you to connect a transceiver or repeater easily.

*Subject to licensing conditions.

Converter Mode

Converter Mode

The VE-PG3 has built-in RoIP and SIP gateway, IP router and IP PBX functions all in one box. The VE-PG3 can interconnect calls between said connected users over IP phones, analogue phones and radio systems. Also the Call Diversion function can redirect an incoming call to a third-party user.

Physical Interfaces

IDAS™ NXDN™ connection

An IDAS™ radio user can dial to telephone numbers and connect to radio users from a PSTN line/IP phone line. IDAS™ individual calling and group calling can be made from other stations. The CT-24 digital voice converter converts analog audio and G.711 IP phone codec (via analog audio) to the AMBE+2™ codec for the IDAS™ system.

System Capabilities

Analogue radio connection*

An analog radio* user can make a call using DTMF code. In the analog radio system, all radio users will be called from other stations.

*Limited to radios with DTMF encoder/decoder capability.

Other features (Common to bridge/converter modes)

Remote communicator software, RC-FS10*

The optional RC-FS10 remote communicator software can be used with an analogue radio system as well as the IDAS™ NXDN™ system.

*For analog radio system communication, the RC-FS10 must be used with the VE-PG3.

External equipment connectors

The VE-PG3 has two external equipment connectors for audio input/output and other switching. Public Address systems, sirens, red lights and other external equipment can be connected to the VE-PG3. The virtual serial port software allows you to control an external device via RS-232 interface.


For a series of leaflets documenting our product range, see the Leaflets page.

Interconnect devices