The service allows you finding out who has called you, when the telephone line was busy, switched off or was outside the zone of coverage. By doing so, it ensures that an important call will not be missed.
Solution de téléphonie IP / VOIP Forfait illimité fixe et mobile en France et en Europe, Forfaits 100% illimités vers tous les opérateurs 24h/24 et 7j/7.