際際滷shows by User: SanaOuerghemmi / http://www.slideshare.net/images/logo.gif 際際滷shows by User: SanaOuerghemmi / 際際滷Share feed for 際際滷shows by User: SanaOuerghemmi https://cdn.slidesharecdn.com/profile-photo-SanaOuerghemmi-48x48.jpg?cb=1503156574 15 years Experience Specialisations : Roaming Business Analyst, Billing, Rating, Support, Test, Integration, Validation. Interconnection: Business Analyst, Billing, Rating, Support, Test, Integration, Validation. Project management : MVNO, Numbers Portability, Bistream, Local loop Ununbundling, BSCS/IN/HLR Synchronization, 4G.