Zamir Telecom overhauls London-Dhaka VoIP route

Zamir Telecom is upgrading the service on its London to Dhaka route using VoIP optimisation equipment from World Telecom Labs (WTL).

Zamir’s London to Dhaka managed VoIP service runs on a dedicated fibre link with traffic peaking at around 20 million minutes a day. The firm has deployed WTL’s specialist VoIP switches at either end of its VoIP link to improve the quality of calls, ensure that the network is always available and to optimise its bandwidth capacity without compromising voice quality.

WTL’s switches have been specifically designed to replace the huge, expensive, maintenance-heavy switches that have traditionally been used to transfer VoIP traffic onto other networks. For Zamir Telecom, WTL’s suite of switches has a number of advantages over traditional switches.

These include compression techniques which reduce the amount of data per call, enabling a higher density of calls in the same bandwidth whilst maintaining high QoS. In addition, the self-healing, clustered architecture is fully redundant, distributing traffic across servers if one fails.

As well as decreasing Zamir Telecom’s costs by a significant amount and improving the quality and reliability of the calls on the London to Bangladesh route, WTL has also provided Zamir with a SS7 Signalling controller to manage its fibre interconnections in Bangladesh. This enables Zamir to ensure the quality and reliability of the onward transmission of its customers’ calls onto the network of BTCL.

Leigh Smith, MD of WTL, said “Many VoIP operators simply don’t realise that there is a myriad of ways in which their network can be optimized to increase capacity and reduce costs”.

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