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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

MTP2 Message Transfer Part Level 2

Message Transfer Part Level 2 resides at Layer 2 of the OSI (Open Systems Interconnect) model it is responsible for the reliable transmission of signalling units over an individual SL (Signalling Link). MTP2 reliability is achieved through retransmission techniques.
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