TAMPA, Fla.--(BUSINESS WIRE)--Syniverse today announced that it has signed a messaging deal with Grameenphone, a leading operator in Bangladesh and part of the Telenor Group, to provide its subscribers with global-reaching mobile messaging services. By using Syniverse’s advanced SMS and MMS interoperability solutions, Grameenphone subscribers can enjoy seamless messaging experiences across geographic and technological borders. “Whether users are connecting to one another or applications are del