Wireless messaging services for mobile u
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David Hua Min Tan; Siu Cheung Hui; Chiew Tong Lau
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Article
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2001
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Elsevier Science
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English
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Unified messaging brings together the various communication services including e-mail, fax, voice and video messages into one single mechanism for transportation over the Internet. This helps reduce costs by circumventing expensive international toll charges and eliminates the need for multiple comm