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Trombone Elimination


Efficiently routes calls to roamers, avoiding charges for diverts to voicemail or another mobile number.

Normally, when a network diverts a call to a roaming subscriber, to their voicemail for example, voice circuits will "trombone out" to the visited network and back to the home network to get to the voicemail system. Roamers are then left paying for the international legs — resulting in many discontented roamers disabling call diverts.

This application avoids the tromboning of voice circuits, reducing operators' interconnect costs, so they can charge subscribers for diverts at their normal home tariff.




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