SMS (short message service) and MMS (multimedia message service) are two of the hottest services in wireless communications today, offering customers exciting ways to communicate by sending text and multimedia messages. This comprehensive book offers wireless engineers and managers practical guidance in the planning and implementation of SMS and MMS services with interworking (the ability to successfully send a message when the origin and destination cellular phones do not use the same wireless operator). The book offers professionals various solutions to the common problem of number...

-Virtual Roaming for voice and SMS- was covered in one of Henry-Labordere's previous books. -Virtual Roaming- means that it allows subscribers to visit a network that their home network does not have an agreement with. The -Seamless Technology change- allows users to keep all their services, including reception of calls and SMS sent to their usual number when they switch their GSM to a Satellite phone or WiFi. The implementation of Seamless Technology change uses the SS7 Roaming Hub and GTP Hubs technology explained in the first part of the book.

Virtual Roaming Data Services...