October 18, 2011

SIP Trunking Deployment Steps and Best Practices


Today's market conditions are forcing businesses to deliver maximum efficiency from their IP-based infrastructures.  SIP trunking reduces the inefficiencies of time division multiplexing (TDM) technology by pooling voice network capacity for dynamic utilization and improving usage visibility for greater cost control and capacity management. Given these benefits, many organizations are planning to move to SIP trunking as part of their transition to unified communications and collaboration applications.

Yet this advanced technology may present challenges to the IT organization, especially those who have limited experience managing voice technologies or who have never used SIP trunking before. Like any IT project, careful planning and knowledge of implementation best practices will generate insights that can help save time and costs related to a SIP trunking migration. To assist is this compilation of best practices, based on hundreds of customer implementations and collected over a period of nearly a decade.

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1 Comment

There are plenty of reasons that SIP trunking should be on your radar.

If you’re like most enterprises, you’re probably in cost-containment mode, for example, and SIP trunking holds the potential to save on physical and inflexible PSTN last-mile lines such as ISDN PRIs/BRIs and T1s. Instead, you use a SIP trunking service from an Internet telephone service provider (ITSP) to connect your phone calls over the Internet.

The ITSP connects your call to the PSTN at the receiving end. Often, SIP services include domestic local and long-distance calling, and some providers offer 10Mbps speeds for what you once paid for a T1 (1.54Mbps). In addition, direct inward dial (DID) numbers usually can be rerouted to anywhere in the country.

Check out this paper to be sure you are aware of the considerations and network elements you’ll need to get started.

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