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SIP Trunking Implementation: Preparing Your Voice Apps

Preparing your network is an important aspect of SIP trunking implementation, especially your voice applications.


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A network assessment test is a must when upgrading your IT infrastructure, but as Art Schoeller, Principal Analyst of Forrester Research, explained in the third part of his expertIP interview, a SIP trunking implementation can be simpler than you might think.

“When someone is planning to look at  SIP trunking,” Schoeller said, “I certainly recommend a network assessment. But since this (technology) is on the edge, you don’t have to do a full assessment of your internal wide area network. You do have to look at all of that edge equipment and all of your voice applications.”

There are many factors for IT managers to consider. For instance, what will happen to the company’s touch-tone signaling protocols and voice-response systems when they move to a SIP-enabled converged network? And what happens when network users are dialing out to access other voice-response systems?

No matter how many voice applications you run on your network infrastructure, preparedness is key, Schoeller insisted. “Inventory all of the voice-oriented applications and what your equipment looks like, and make sure that your service provider is working with you to do that assessment and to figure out all the right things that need to be done.”

Art Schoeller, Principal Analyst for Forrester Research, considers the importance of assessing your voice applications when moving to SIP trunking.

You should also remember that, given the complexities of today’s IP networks, implementation delays do happen. “If I see anything that happens in deployments that cause the timeline to go maybe a month longer,” Schoeller said, “it’s because we might not have figured out the right way to configure the session border controller or talked enough to the carrier network or to make sure the right security capabilities are in place.”

Some customers might want to look at increasing their diversity of routing and equipment supporting their network when moving to SIP trunking, while all customers should consider how they will properly manage the security threats associated with a fully converged IP network.

Just remember: help is out there. An experienced network partner can help you plan a low-risk, hassle-free migration to SIP trunking that maximizes the technology’s cost and IT management benefits.

For the first part of Art Schoeller’s interview go here. For part two, go here. To read more about selecting a SIP trunking provider, read this article.

What other factors make for a successful and hassle-free SIP trunking implementation? Please share your comments and questions below.

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