For access to this article, please select a purchase option:
IET members benefit from discounts to all IET publications and free access to E&T Magazine. If you are an IET member, log in to your account and the discounts will automatically be applied.
Your recommendation has been sent to your librarian.
Inspec keywords: electronic messaging; protocols; multimedia communication; 3G mobile communication; Internet
Subjects: Multimedia communications; Computer communications; Protocols; Other computer networks; Protocols; Mobile radio systems