SCCP Class 1 allowsbuilds foron sendingthe blockscapabilities of dataClass which0, are larger thanwith the maximum sizeaddition of a singlesequence SCCPcontrol message.parameter Itin permitsthe thisNSDU bywhich splittingallows the dataSCCP into pieces small enoughUser to fitinstruct into anthe SCCP messagethat anda sendinggiven each piece separately. Upon receiptstream of a sequence of class 1 messages,theshould receiverbe will re-assemble the original data blockdelivered in the correct ordersequence. AswithTherefore, SCCPProtocol Class 0,1 thecorresponds Classto 1an enhanced connectionless service iswith alsoin-sequence connectionlessdelivery.