  (ISDN֥ƥ)
  ISDN(Integrated Services Digital Networks, ե󥹤Ǥ RNIS), 
  ǥ벽줿֤1Ǥ. ISDN , ¿ξ SLIP  PPP 
  Ѥƥ󥿡ͥåȥӥץХ³ΤѤޤ. 
  ISDN μפ, ̾Υǥ/³̿®٤ᤤ
  Ǥ. ISDN ֥ƥ, ʤη׻ ISDN ɤ
  ƤꡤĤʤȥץХòҤ ISDN 饤
  ƤˤΤưޤ. ܺ٤ WWW ,
  http://alumni.caltech.edu/~dank/isdn/ ɤǤ. (WWW
  Ѥˤ, 󥿥ͥåȤ³줿ԥ塼 lynx,
  netscape 뤤 MosaicȤץưɬפޤ) 
  Υɥ饤Ф, ISDN ɤͥåȥ³뤤ϥ륤
  /ȥǥХȤѤ뤳Ȥǽˤޤ. Isdn-tty ˤ,
  AT-ѥ֥ǥ२ߥ졼ȤߤޤƤޤ. ͥåȥ
  ǥХ, ǡȤʤƤ Autodial, Channel-bundling,
  callback  caller-authentication 򥵥ݡȤޤ.  tty 
  ϥɥ BTX Ŭ礷 reduced T.70 ץȥ򥵥ݡȤޤ.
  D-ͥǤ EDSS1  1TR6 ץȥ뤬ݡȤƤޤ. 
  ܺ٤, Documentation/isdn/README򸫤Ƥ.

