MTN to block grey routing of calls

2007-12-27 00:00

In keeping with international standards and practice, MTN South Africa announced that it would implement measures to terminate the fraudulent grey routing of voice calls to its customers.

Grey routing is a fraudulent practice of bypassing interconnect relationships by re-routing voice calls obtained on the wholesale market to users. The most noticeable impact on our customers is receiving international calls of very poor quality to the point our users cannot hear the other person. Additionally, grey routed calls do not deliver caller line identity (CLI). It also affects the people calling MTN users with the same poor quality and they find it very hard to get through to the South African user due to the low call completion rates.

Grey routing also undermines delivery of roaming services to inbound and outbound users. Inbound roamers cannot receive calls that have been grey routed and South African roamers overseas have difficulty accessing voicemail and other services due to the poor quality and lack of CLI to identify them on the network.

Speaking on the matter, Tim Lowry, managing director of MTN SA, confirmed that: "Internationally, grey routing is illegal and MTN cannot compromise the network quality for its customers. We are in the service business and ensuring a top quality network service is a key priority for us.

"Grey routing congests network cells, prevents legitimate users from accessing the network, are costly to maintain and have caused a serious degradation of quality calls to the MTN network and an adverse impact on international roaming services. These impacts have caused customer complaints from MTN and international customers and income losses to MTN."

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