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ARA-1 – SIP Phone/PBX to LMR Interoperability

SIP Phone/PBX to LMR Interoperability using the ARA-1 extends the coverage and capability of an existing SIP PBX by allowing the interface of LMR radios to the system.

 

Additional Information:

 

It’s comparable to an analog telephone adapter (ATA), which allows a standard telephone to operate on a SIP network; the ARA-1 provides the same capability to a radio.  No wonder ARA stands for Analog Radio Adapter.

Benefits:

  • SIP-to-Radio interface brings radio advantages to SIP networks and SIP capabilities to radio networks.
  • Interoperability is as simple as creating a conference call within a SIP PBX.
  • Extends SIP based communication to areas where cell phone carriers do not provide coverage (but are served by LMR).
  • Enables communications between radios and network communications devices such as SIP phones and softphones.
  • Brings SIP PBX features into the radio arena – including call logging, forwarding and recording.
  • Supports calls made both with and without a proxy server.
  • Supports operations behind a NAT firewall.
  • Multiple codec and compression level options allow system optimization relative to available bandwidth.

Why SIP?  The main goals of modern communications system design include:

  • Convergence of:
    • Voice,
    • Data,
    • Video,
  • Standards-based,
  • Open protocols,
  • Individual IP addresses for all end devices.

Session Initiation Protocol, SIP, is widely seen as the preferred pathway to achieving these goals.

SIP Drawing

SIP, used in the ACU-2000, ACU-5000, ACU-Z1, and the RSP-Z2 is a signaling protocol in use as an IP based network to:

  • Create,
  • Manage,
  • Terminate sessions.

SIP focuses on the setup, modification and termination of sessions maintaining simplicity while allowing versatility of the format and content of the sharing of data.

 

The radio connection via the ARA-1 SIP Phone/PBX to LMR Interoperability has a unique extension the user can dial using any internet protocol (IP) phone, softphone, or other voice communications device associated with the SIP PBX.

Any number of radios, SIP phones, or other audio devices in the network can conference together using the SIP PBX.

ARA-1 SIP Examples

 

Since SIP is an open standard, a multitude of services are available including call logging, call recording and call forwarding.

A SIP PBX can also enable video conferencing, document sharing and text messages between compatible devices.  The addition of radio interface capability using the ARA-1 SIP Phone or PBX to LMR Radio Interoperability not only brings existing radio networks into the SIP arena but also allows SIP-based communications to be extended into areas that are not serviced or cannot be reached using a SIP network.

 

Overview:

Simply defined, the ARA-1 provides a seamless interface between a radio and an IP-based network using SIP. This brings to existing SIP networks all of the features inherent in a radio system, including the ability to wirelessly reach otherwise inaccessible areas. For example, an ARA-1 can be used with an LMR system to extend the SIP Network into areas of rugged terrain, across bodies of water, or into tunnels.

The ARA-1 also provides all of the features available with SIP to radio networks. These include interoperable communications among disparate radio systems that is as easy as creating a typical PBX conference call and also other PBX features such as Call Logging, Call Forwarding, and Call Recording.

 

SIP Interoperability

 

SIP Phone/PBX to LMR Interoperability:

The SIP side of the ARA assigns its associated radio a unique extension that can easily be dialed using any IP phone, softphone, or other voice communications device associated with the SIP PBX (Private Branch Exchange).

Any number of radios, SIP phones, or other audio devices in the network can conference together using the SIP PBX.

Alternatively, the ARA-1 SIP Phone/PBX to LMR Interoperability can assign an IP address to its associated radio for communications over any IP-based network (including the Internet), with:

  • Another SIP-enabled device such as a SIP phone,
  • Softphone,
  • Second radio/ARA-1 pair.

The radio side of the interface makes full use of the extensive suite of digital signal processor algorithms, hundreds of custom radio interface cables, and numerous problem solving techniques that JPS has evolved during more than a decade as the market leader in radio interoperability.

 

© 2019 JPS Interoperability Solutions, Inc. All rights reserved.

5800 Departure Drive | Raleigh, NC 27616 | 919.790.1011 | sales@jpsinterop.com

Radio Interoperability

Radio Interoperability Gateway

Radio over IP

RoIP

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Receiver

Voting

Push To Talk Over Cellular