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Carrier Grade LTE, VoLTE, VoIP and SS7 ProductsCarrier Grade LTE, VoLTE, VoIP and SS7 Products

Select from our range of carrier grade LTE, VoLTE, VoIP and SS7 products to deliver proven, industry standard signalling solutions into your network.

Diameter Signalling Products

The increasing rollout of 4G LTE, IoT, VoWiFI, VoLTE and VoIP networks is seeing an increase in the volume of Diameter signalling on global networks. To facilitate this operators are rapidly deploying carrier grade Diameter Signalling Controllers that consist three component delivering any combination of routing (DRA), interworking (IWF) and network edge (DEA) functionality.

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Diameter Signalling Controller

The SVI-DSC consists of three components, the Diameter Routing Agent, Diameter Edge Agent and Interworking Function. Any combination of these can be deployed in a single or distributed network.

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Diameter Interworking Function

The Diameter Interworking Function insures that a telecoms operators 4G Diameter networks can successfully interconnect to legacy 2G/3G networks, the host of network boxes and equipment, and between numerous signalling standards.

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Diameter Routing Agent

The Diameter Routing Agent is utilised for scalable, centralised routing of Diameter messages in a multivendor, multi node environment within a service providers IMS and LTE core.

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Diameter Edge Agent

At the edge of the Diameter network sits the Diameter Edge Agent. Its primary function is to provide network security with secure exchange of authentication, authorisation and subscriber policy.

SS7 Signalling & Routing Products

Our comprehensive range of SS7 signalling and routing products are tried and tested core network products delivering reliable, cost effective SS7 TDM functionality into global telecoms networks. 

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SS7 Signalling Gateway

With low cost, reliable, high bandwidth IP networks available for distribution of signalling, the SS7 Signalling Gateway provides the means to bridge the SS7 network from the traditional PSTN and Mobile TDM interconnects to IP. 

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SS7 Signal Transfer Point

The SVI_STP is a feature rich, future proof carrier grade Signal Transfer Point that provides core network connectivity and routing between mutiple networks supporting legacy SS7 TDM, NGN IP SIGTRAN and IMS / LTE / 4G support.

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SS7 Gateway Mobile Switching

The SVI_GMSC is a flexible Gateway Mobile Switching Centre that enables telecoms operators to deliver traffic for mobile termination by direct interconnection with key entities in the mobile network sub-system.

SS7 to VoIP + IMS

Bridging the gap between traditional SS7 TDM networks and Next Generation VoIP Networks and IMS based LTE + VoLTE networks are the scalable SS7 Media Gateways, the innovative software-only Media Gateway Controller and Media Gateway Controller Function. 

SS7 Signalling Media Gateway

SS7 Media Gateway

The SVI_MG SS7 Media Gateway enables Next Generation VoIP and VoLTE / IMS networks to seamlessly interconnect to legacy PSTN and mobile 2G and 3G networks. 

SS7 Signalling Media Gateway Controller

SS7 Media Gateway Controller

The SVI_MGC SS7 Media Gateway Controller enables SS7 on leading VoIP Media Gateways using industry based standards – MGCP, MEGACO H.248, SIGTRAN, SIP, SIP-I, SIP-T and H.323.

Media Gateway Controller Function

Media Gateway Controller Function

The SVI_MGCF Media Gateway Controller Function provides a gateway between traditional Circuit Switched SS7 networks and next generation IMS networks such as LTE/ VoLTE.

SS7 SMS Products

The SMS product range provides a comprehensive SMSC or SMS Gateway allowing clients to deliver SMS services via the SS7 network. These products can also be utilised in existing SS7 interconnects to maximise revenue.

Short Message Service Centre

Short Message Service Centre

With the continuing growth of A2P and MVNO SMS traffic the SVI-SMSC offers not only an out-of-the-box, feature rich, carrier grade SMSC but with innovative service logic technology it allows clients to rapidly provision new revenue generating value added services.

SMS Gateway

SMS Gateway

With the continued growth in A2P SMS the SVI_SMSG offers a robust SS7 to SMPP gateway. Delivering a cost effective solution scaling to 50,000 sms/s this feature packed gateway insures a future proof, carrier grade solution.

VoIP + VoLTE Products

The VoIP product range delivers a carrier grade Session Border Controller delivering security, Class 4 switching, VoLTE support and seamless interoperability at the network edge. The Class 5 Softswitch is provided as an optional module on the SBC allowing providers to offer a comprehensive range of value add services.


Session Border Controller

The SVI_SBC Session Border Controller provides a mature, proven carrier grade technology packed with feature rich capabilities that allow operators to rapidly deploy new innovative services in both VoIP and VoLTE networks worldwide.


SVI Class 5 Softswitch

The SVI-C5 Class 5 Softswitch is provided as an additional module on the SVI-SBC. It offers comprehensive Class 5 features, has approval from international Operators and includes a white-labelled subscriber web portal.

SVI_TAS Telephony Application Server 

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The Telephony Application Server (SVI_TAS) enables the rapid delivery of converged services across IMS, NGN and Legacy SS7 networks. The SVI_TAS enables operators to leverage existing infrastructure, extend return-on-investment and rapidly deploy new services.

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