Virtual calling number for ESME

Presently, ESME in GSM network uses Short Code to provide service to Mobile subscriber. This short code is not unique and cannot be used everywhere. The acquiring short code by ESME requires service agreement with Mobile Service Provider and availability. Hence, subscribers of different Mobile service provider use different Short Code. And also ESME needs to connect with each and every Mobile service provider to offer service. We propose a Virtual Calling Number for ESME to reach out every mobile subscriber of GSM network with a single number. It allows the user to get the service from ESME by using this number. Another major advantage of proposed method is that it just needs to establish connection with only one Mobile Service Provider.