SIP trunking troubleshooting comes down to a basic best practice

A recent research report from early adopters shows the most common problems and suggests what can be done to prevent them

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SIP trunking troubleshooting

One way audio, along with delays, jitter or packet loss, are the most common SIP trunking troubleshooting problems cited by early adopters, according to recent industry research.

Last month The SIP School, a set of education and certification programs provided by Vocale Ltd. based in the U.K., released the results of an annual survey of close to 1,000 people who have deployed technology that extends VOIP services beyond a company’s internal network. About seven percent of the respondents came from Canada.

Overall, 42 percent of those surveyed said they have experienced one-way audio issues in SIP trunking deployments, followed by 40 percent who have dealt with trunks dropping intermittently. Quality concerns, which included jitter or delays, made up the third-most common SIP trunking troubleshooting complaint at 37 percent.

According to Graham Francis, CEO of The SIP School, the good news about the SIP trunking troubleshooting feedback is that these are all things that can be dealt with directly, providing customers work with an IT service provider (ITSP) ready to help them.

“If the ITSP supplies the client with all the settings it needs for successful service installation/setup then these settings can be put into the PBX/SBC configuration forms to ensure successful setup,” he writes in the report, referring to private branch exchanges and session border controllers. “Provision of good documentation . . . should ensure a really good chance of getting the service up and running without issue. BUT, even if great documentation is available, how can it be guaranteed that it is used and read as sometimes people just want to install and run to the next job? We all know that ‘rushing’ is a dangerous game.”

Whether it’s a discussion between a company and its customers or between managers and employees, businesses need dialogue to survive. Vocale’s 24-page report, which is available for free with registration, shows that proactive SIP trunking troubleshooting is an equally two-way street. The data here is a good reminder for both providers and enterprise IT departments as SIP trunking continues to mature.


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