USSD Gateway is based upon the ability of the delivery agent or the source to send and receive USSD messages. An USSD is a session-based protocol. USSD messages travel over GSM signaling channels and are used to query information and trigger services. Unlike similar services(SMS and MMS), which are store and forward based, USSD establishes a real time session between mobile handset and application handling the service
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“The whole fauna of human fantasies, their marine vegetation, drifts and luxuriates in the dimly lit zones of human activity, as though plaiting thick tresses of darkness. Here, too, appear the lighthouses of the mind, with their outward resemblance to less pure symbols. The gateway to mystery swings open at the touch of human weakness and we have entered the realms of darkness. One false step, one slurred syllable together reveal a man’s thoughts.”
—Louis Aragon (1897–1982)