External Machine Interface


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External Machine Interface

(protocol)
(EMI) A protocol primarily used to connect to short message service centres for mobile telephones. EMI is an extension to Universal Computer Protocol (UCP). EMI was was developed by CMG, now a part of LogicaCMG, the current SMSC market leader.

Each byte of the message is encoded as two hexadecimal characters using an encoding not quite like ASCII.

EMI specification
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