8/8: Abbreviation And Acronyms Name: Asmodeus Rex #19 Date: 7:24 pm Thu Oct 16, 1986 Here's a little phreaks handbook, you may want to print this out for getting on to some elite systems.. ABM - Asynchronous Balanced Mode ACK - Acknowledge AIS - Alarm Indication Signal BSC - Block Symmetric Channel CCITT - International Consultative Committie On Telegraphy And Telephony CCS - Common Channel Signaling CRC - Cyclic Redundancy Check DASS - Digital Access Signalling System DSSS - Digital Subscriber Switching SubSystem FCS - Frame Check Sequence FISU - Fill In Signal Unit GSC - Group Switching Center ISDN - Intergrated users Services Digital Network ISPBX - Intergrated Services Private Branch Exchange LAN - Local Area Network LAP - Link Access Procedure LSSU - Link Status Signal Unit TCU - Transmission Control Unit That's all fir now.. My hands hurt.. Asmodeus Rex