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As CTO of ECT I would also like to welcome you to this blog. My executive colleagues and I will take turns in keeping you posted with interesting company and technology news. My first blog is dedicated to voicemail roaming.

The European Parliament passed a bill in 2009 that makes life more convenient for network subscribers but is a hassle for all carriers. As of July 2010 there shall be no more roaming fees for voicemail roaming, i.e. high fees a called party staying abroad has to pay when someone leaves a voicemail message. Carriers probably didn’t know whether to laugh or to cry when they heard about this. I say, at least smile because we at ECT came up with a cost-effective solution that enables every carrier to adhere to the new law.

Right now, during international roaming, the home network contacts the visited network’s MSC, which routes the call back to the called party’s voicemail. This establishes two international connections and the called party staying abroad has to pay a small fortune when somebody just drops a message.

This Leaves Carriers with Two Choices

Basically, this leaves carriers with two choices. They can either disable voicemail for roaming entirely, or they can opt for a new solution which makes possible what Brussels demands. With this solution, the call is not sent back and forth between networks. Instead, you have the home network’s MSC handling the logic for call forwarding to the voicemail. The visited network’s MSC is “told” not to contact the voicemail but leave it to the home network. There the connection to the voicemail is treated as usual, causing no additional cost for the called party.

Missing some technical details? Want to know how exactly this solution works? My colleagues and I will be glad to help you and answer your questions.

Diego Vivas

Diego Vivas

Diego joined us in Munich in 2016 as an Innovation Manager, but, after successfully helping to conceive the next generation of ECT solutions, he founded our new Joint Agile Product Development Department, of which he is now the Head. He has a Joint MSc in Global Innovation Management from the Hamburg University of Technology and the University of Strathclyde in Glasgow, Scotland.

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