SIP Trunking: 9 Essential Facts

Telecom Business Review | Friday, July 16, 2021

SIP-trunks allow you to deploy UC across the organization as they seamlessly integrate functionality such as presence and multi-channel communications.

Fremont, CA: SIP trunking has attracted much consideration over the past few years.

Here are the certitudes you must know about SIP trunking

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1. Employ SIP trunks to link sites together and break out to the PSTN

A SIP trunk is an IP connection among your enterprise integrated communications and a SIP Trunking service provider (SP) above the Session Border Controller (SBC) – like Orange Business Services. The trunks can either be concluded centrally, like your data center or locally in smaller branch sites.

2. Realize cost savings from your voice budget

With SIP trunks, you can conserve both access and traffic costs. Based on your existing set-up, these savings range between 10-40% of your total voice spend. They are generated by eliminating PRI trunks, PSTN gateways, and numerous service provider contracts while reducing the UC's total cost of ownership (TCO). Centralized billing and reporting provide accurate visibility of voice spending.

3. SIP trunks can turbocharge your UC tactics

SIP-trunks allow you to deploy UC across the organization as they seamlessly integrate functionality such as presence and multi-channel communications. The saving produced by adopting SIP trunking is frequently used to defend the business case for complete UC transformation. SIP trunks enable users to access UC functionality from a singular identifier/number no matter where they are situated or what device they utilize.

4. they make your communications more resilient

Deploying several SIP trunks can make your communications more resilient because you can switch between trunks in case of disruption. The trunks can also be employed for load balancing traffic. Microsoft Lync permits you to set up a local and central SIP trunk at individual sites so traffic can switch to the central one if the local trunk is down.

5. use SIP trunks to create virtual contact centers

SIP trunks are essential for building virtual contact centers by seamlessly joining multiple contact centers. They allow you to load balance, reroute, and overflow traffic between multiple sites while preserving all unified communications data. Moreover, SIP trunks can reduce the connection to and from the PSTN into focused SIP trunks for all contact centers.

6. SIP trunking can help your cloud strategy

Most companies will adopt a focused platform in their UC transformation using centralized dial plan management through SIP trunking. This private cloud is also allowed by using SIP trunks linking sites and the data center. As per Infonetics, SIP trunking is being deployed broadly alongside hosted PBX and integrated communications services.

7. improve flexibility & scalability

Apart from TDM trunking, SIP trunking can be run over various access networks, comprising DSL and Internet connections for smaller sites. This diversity in access methods also means that you can much more easily and cheaply scale up the number of users instead of buying additional 30-line PRI trunks. Capacity is adapted according to business needs.

8. make sure your network is voice-ready

Before unfurling SIP trunking as part of a UC transformation strategy, you must ensure your network is voice ready and helps the Class of Service. Good voice quality is vital to smooth the transition to a new communications environment. Orange can back you with a mix of TDM and SIP trunks for a seamless transition.

9. Remind to ensure interoperability

Even though SIP is a standard, it is still vital to have compatibility testing for various UC vendor equipment to assure that all communications work as expected. Orange has jointly built an interoperability program with the main UC vendors (including Alcatel, Avaya, Cisco, Microsoft, and Mitel) to test interworkings with UC vendor equipment and third-party services.

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