Overview of Service Provider Solutions

Sonus solutions for service providers span a variety of different business and deployment models:

  • Interconnect/Peering
  • Session Initiation Protocol (SIP) Access: SIP Trunking, Hosted Business Voice and Unified Communications (UC) service
  • SIP Access: Customer Premise Equipment (CPE)
  • Enabling Video-as-a-Service (VaaS)

Across all of these service provider models, Sonus has the solutions and the partnerships which provide the industry's most robust call control, media transcoding, security/encryption, signaling interworking, and scalability options.

Interconnect / Peering

The core data and voice networks within most global telecommunications Service Providers are now predominantly IP-based. Wherever possible, Service Providers have adopted IP due to cost advantages, the extended service reach it provides, and its proven resiliency. Yet they are challenged by the fact that IP peering connects disparate IP networks. Sonus’ solutions provide interoperability, security, billing and Least Cost Routing (LCR) solutions to solve the challenges of connecting these independent networks.

SIP Access

Service Providers who successfully supply Enterprise customers with SIP Access and hosted SIP-based services such as business voice and Unified Communications (UC) will need to scale while keeping operating expenses low.

Many hosted Service Providers require CPE as an integral part of the solution because it provides a single point of demarcation, which reduces troubleshooting complexity and securely becomes part of the service provider’s network.

Enabling Video-as-a-Service

The world of video service delivery has changed. High cost, high-touch video meeting rooms and meet-me services are being replaced by the pervasive availability of video options on desktops, and BYOD such as laptops, tablets, and smartphones. Sonus provides solutions to enable Video-as-a-Service (VaaS) for Service Providers to securely interwork disparate video applications, deal with multiple technologies and protocols, optimize service availability, deploy highly scalable solutions, and ensure a high Quality of Experience on a per user, per session basis.

Enabling WebRTC

Service providers are constantly striving to find new and innovative ways to develop and deliver new services for contact centers, businesses and end-customers. Sonus’ Web Real-Time Communications (WebRTC) Services Solution allows service providers to extend current offerings to a broader set of users and enhance current services with a rich set of web accessible real-time communications capabilities. Service providers can also create new service offerings for vertical industries that go from the desktop to mobile as well as from the web to SIP and mobile networks.

Number Portability

Service Providers are finding it increasingly necessary to address the need for number portability. Sonus’ Number Portability(NP) solution allows this to happen while at the same time reducing costs. By integrating both PSX and DSC to support SIP, ENUM and SS7(INAP/TCAP) signaling protocols, service providers can reduce both costs and latency by performing database queries directly into their own number portability server.

IMS Breakout Gateway Control Function

When it is necessary to bridge IP Multimedia Subsystem (IMS) networks, PSTN and circuit-based GSM, and CDMA wireless networks, it is common for enterprises to choose standard 3GPP-defined functionality. Sonus’ IMS Breakout Gateway Control Function (BGCF) Application allows service providers to remain competitive by providing additional value-added features not available in standard BGCF. Features such as Next Generation and SS7 Service Control Point (SCP) lookups, DNS/ENUM server overload controls and Address Reachability Service (ARS) controls for more efficient routing are just a few. Sonus’ IMS BGCF Application is a transaction-stateful SIP proxy server that delivers high performance, 3GPP R9 compliance and complete support for IMS ecosystem elements.

Least Cost Routing

The Sonus Least Cost Routing (LCR) Application combines powerful LCR analytics and Quality of Service (QoS) based routing with Sonus PSX Policy and Routing Server as the source of every routing decision. This integrated application provides service providers all the advantages of the PSX platform, including scalable performance, single-point provisioning for all network policies and routes, plus the advanced analytics of a powerful LCR application. The Sonus LCR Application provides agility to your business as well as a simple to manage and easy-to-use system to find the connections with the best quality, price and performance.

Figure 1: Service Provider Overview

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