IP call quality woes at large firms

Three-quarters of firms are now using IP telephony solutions, but 90% of network managers have no idea that handling voice over the data network is more complicated than other apps such as email or web access.

Three-quarters of firms are now using IP telephony systems, but 90% of network managers have no idea that handling voice over the data network is more complicated than other applications such as e-mail or web access.

An independent survey of 114 large firms employing over 1,000, commissioned by voice and video network management firm Psytechnics, found that over half (53%) are concerned about or are experiencing call quality issues.

Half of UK companies using IP telephony use it across the board, both internally and for external customer communications.

The financial services sector is the most advanced, with four out of five using the technology, suggesting that most banks, mortgage and credit card providers already speak to customers using IP telephony.

However, only one-in-ten firms understood that managing voice is much more complicated than managing other IP data traffic, meaning firms using IP telephony for customer-facing systems could see their businesses negatively impacted through call quality issues, for instance.

Integrated IP tools can analyse the delivery of voice packets but they often do not perform deep packet inspection to determine impairments such as echo, noise level and speech distortion.

Conversational and listening factors need to be measured and managed in real time, all the time, to ensure that internet telephony quality is acceptable for corporate communications, said Psytechnics.

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Comment on this article: computer.weekly@rbi.co.uk

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