External Machine Interface


External Machine Interface

(protocol)(EMI) A protocol primarily used to connect toshort message service centres for mobile telephones. EMIis an extension to Universal Computer Protocol (UCP). EMI waswas developed by CMG, now a part of LogicaCMG, the currentSMSC market leader.

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

EMI specification