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Year 2012 Saw Enterprises Migrate to SIP Trunking Services

SIP Trunking Featured Article

December 28, 2012


Year 2012 Saw Enterprises Migrate to SIP Trunking Services


By Shankar Pandiath
TMCnet Contributor

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The year 2012 has seen the trend of enterprises migrating toward Session Initiation Protocol (News - Alert) (SIP). Webtorials, the premier Internet site for IT-related education and resource-sharing, surveyed 300 enterprises, and about one-third of them have deployed SIP trunking, as the practice in those enterprises has an average cost saving of about 33 percent.


 According to experts, most of the enterprises that are familiar with VoIP are inclined to implementing Unified Communications (UC), a suite of integrated voice, data, video and text communications delivered via the VoIP protocol known as SIP.

There are many reasons as to why the enterprises are migrating to SIP trunking services, particularly productivity and reduced costs. According to the estimates by Webtorials, if deployed in large enterprises, SIP-based UC infrastructure can reclaim about 23 percent of lost productivity due to inefficient communications.

SIP trunking services offer benefits such as rapid disaster recovery, centralization of lines and a resilient UC platform, in addition to flexibility, reduced costs and improved productivity. But there are several drawbacks and challenges, like compatibility with legacy, as well as issues of security.

Avaya, Windstream, Edgewater Networks, Acme Packets, Sonus Networks (News - Alert) and IntelePeer are some that provide their own SIP trunking services.

According to an analysis by Frost & Sullivan, Windstream is the top provider of the current year 2012 of North American VoIP access and SIP trunking market, with more than 22 percent of the market share.  According to a report by accounting firm Deloitte (News - Alert), IntelePeer is one of the fastest growing tech firms in North America.

Over the last seven years, the company has seen its revenue increase by 427 percent.

SIP migration is the "move to an IP environment – both wired and wireless," said Michael Finneran, principal at dBrn Associates, in a FierceEnterprise Communications feature article. "Now, we are seeing SIP trunking on the wired front. But with the move to LTE (News - Alert), the whole idea is to have an all wireless IP network, referred to as the enhanced packet core. In some cases, the operators will push their voice traffic over an MPLS [multi-protocol label switching] where you can guarantee quality of service. But for a number of them, their value claim is you can start up a trial right now if you have any spare Internet capacity."

Another factor driving SIP trunking is the enterprises moving to unified communications.

"SIP provides you the signaling tools you need to establish the wide variety of connections you are going to need in the UC environment. It is the right solution at the right time," added Finneran.

But there are problems as well. In a survey conducted by the SIP School of 400 companies, there were several fallbacks identified with SIP trunking providers, including trunks dropping intermittently, codec mismatch, one-way audio and poor quality from packet loss, delay and jitter.

SIP Forum (News - Alert) is tackling the problem of interoperability head on. This year they formed the SIPconnect-Interoperability Certification Task Group. This group is assigned the task of developing appropriate test plans and conformance tools for SIPconnect 1.1, along with identifying a number of interoperability challenges. They are also in the process of developing a system that would help them resolve industry disputes.

The forum has launched the IPv6 task group, which addresses the issues facing the IT industry in migrating to SIP from IPv6.

Want to learn more about SIP Trunking and how to integrate it into your current UC strategy? Don’t miss the SIP Trunking- UC Seminarscollocated with ITEXPO Miami 2013, Jan 29- Feb. 1 in Miami, Florida.




Edited by Braden Becker

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