RFC 1926 IP over ATM 1 April 1996 To allow more than one Local Acoustical Network (LAN) to coexist the use of different AS numbers for different LANs is suggested. This document proposes seven standard AS numbers to be used, see the table below for details. Name Frequency "a" 440 Hz "b" 494 Hz "c" 523 Hz "d" 587 Hz "e" 659 Hz "f" 698 Hz "g" 784 Hz It is assumed that for normal operation AS number "a", 440 Hz will be used. Frame reception The above process is simply performed backwards. Security Considerations The author assumes that the users take whatever precautions that are necessary before attempting to use this protocol in any crowded area. Author's Address Johnny Eriksson KTH NOC EMail: or -... -.-- --. --. @ ... ..- .- . - .-.-.- ... . Eriksson Informational