$BBh(B2$BIt!!CO0h3+H/$H$O(B

$B$3$NJ8=q$K4X$9$k0l@Z$N8"Mx$O0l66Bg3XE4F;8&5f2q$,J]M-$7$^$9!#(B $BL5CGJ#@=!&E>:\$r6X$8$^$9!#(B

$BBh#4>O!!Bh;M

1. $B;0A4Am8e$NF|K\(B

$B9bEY7P:Q@.D94|$+$iDc@.D9;~Be$X$NE>494|$K;0A4Am$O:vDj$5$l!"Dc@.D9;~Be$K$*$1$kCO0h3+H/$N<+N)2=$J$I$NLL$KCV$$$F0lDj$NLr3d$r2L$?$7$?!#$3$l$K0z$-B3$$$F!"(B1983$B!J>:,9/90N!"!VH,7nH/8@!W$H8F>N$5$l$k!=!=!=$NFbMF$,?'G;$/H?1G$5$l$?$b$N$H$J$C$F$$$k!#$=$NFbMF$r0J2<$K>R2p$9$k$H!"(B

$B;MA4Am$OC1$J$k41N=E*$J:nJ8$G$O$J$/!"%a%j%O%j$r$D$1$?
$B9qEZ$E$/$j$N4pK\$O!"El5~!"Bg:e$r$O$8$a$H$9$kBgET;T7wLdBj$N2r7h$K$"$k!#FC$K!"9q:]ET;TEl5~$NCO0L$H5!G=$rL@3N2=$9$k$3$H$,7W2h$N2]Bj$G$"$k!#(B
$BLr=j$N%;%/%7%g%J%j%:%`$rD6$($k$?$a!"B?J}LL$+$i$N0U8+$rJ9$/$Y$-$G$"$k!#(B

$B$H$$$&$b$N$G$"$C$?!#$3$NH/8@$O(B1986$BG/(B8$B7n$K$J$5$l$?$b$N$@$,!"$3$l$rDx$+$i$J$k2q$rH/B-$5$;$k$3$H$K$J$C$?!#K!@)EY>e$G$O!"A4Am$N:vDj$OFb3UAmM}Bg?C$N;pLd5!4X$G$"$k9qEZ?35D2q$,$3$l$K$"$?$k$3$H$H$J$C$F$$$k$3$H$+$i$b$o$+$k$h$&$K!"$3$N=hCV$,$$$+$KNc30E*$G$"$k$+!"$^$?!"$$$+$KCfA>:,

2. $B;MA4Am$NFbMF(B

$B$3$N$h$&$K$7$F!":vDj$,$?$S$?$S1d4|$5$l!JEv=i$O(B86$BG/=)$H8xI=!"$=$N8e(B87$BG/=U!":G=*E*$K$O(B87$BG/(B6$B7n!K$?;MA4Am$O:vDj:n6H3+;O$+$i(B4$BG/$H$$$&$=$l$^$G$NA4Am$h$j$bD9$$;~4V$r$+$1$F:vDj$5$l!"A05-$NDL$j(B1987$B!J>$BI=(B2-4-1$B$K<($9!#(B

$B;MA4Am$O!";0A4Am$K$*$1$k!VDj=;7w!W$N$h$&$K$=$l0l8l$G7W2h$NBeL>;l$H$J$k8@MU$,$"$k!#$=$l$O3+H/J}<0$N2U=j$K5-$5$l$?!VB?6KJ,;67?9qEZ!W$H$$$&8@MU$G!"Ev;~4{$K$G$-$"$,$C$F$$$?!VEl5~7wBP$=$NB>!W$H$$$&9=?^$r;0BgET;T7w$N$&$A$N4X@>7w!&L>8E207w!"$=$l$K;%KZ!"9-Eg!"J!2,!]KL6e=#$J$I$NCOJ}Cf?u!&Cf3KET;T$N?66=$r$O$+$k$3$H$K$h$C$F;0BgET;T7w!]COJ}Cf?u!&Cf3KET;T72!]COJ}Cf?4!&Cf>.ET;T72!]G@;35yB<$H$$$&9=?^$K0z$-La$9$3$H$rL\E*$H$7$?$b$N$G$"$k!#$=$NL\E*$rC#@.$9$k$?$a$K$O!"O$K$*$$$F!VA+ETLdBj$K$D$$$F$O!"9qL1@83hA4BN$KBg$-$J1F6A$r5Z$\$7!"9qEZ@/:v$N4QE@$N$_$G$O7hDj$G$-$J$$LL$,$"$k$,!"El5~0l6K=8Cf$X$N4pK\E*BP1~$H$7$F=EMW$H9M$($i$l$k!W$H$^$G5-$5$l$k$[$I$G$"$C$?!#$=$NB>!"%P%V%k7P:Q$N$O$7$j$H$b8@$($k3F$B%F%/%N%]%j%9!JCm(B1$B!K(B$B$N7z@_!"A49q$K$o$?$k%5!<%S%9Am9g%G%8%?%kLV!J(BISDN$B!'(BIntegrated Services Digital Network$B!K$NF3F~$J$I$3$N$h$&$J7W2h$K$D$-$b$N$N%P%i?'$NL$Mh$,$&$?$o$l$F$$$k!#$^$?!"@o8e$rDL$7$F$N9qEZ7W2h$N85O7$H$b8@$($k2<2OJU=_;a!J859qEZ;vL3

3. $B$=$7$F8^A4Am$X(B

$B0J>e$N$h$&$JFbMF!&7P0^$r7P$F$=$N7W2h$,$OJ}:v$rJQ$($D$D$b8^A4Am$K0z$-7Q$,$l$k$3$H$K$J$C$?!#;MA4Am$N@5$7$$I>2A$K$O!"$^$@;~4V$,MW$5$l$k$@$m$&!#(B

$BI=(B2-4-1 $B;MA4Am$N35MW!J!X@o8e9qEZ7W2h$X$N>Z8@!Y$h$j!K(B

$B7W2h4\|4V(B	1986$BG/!A(B2000$BG/!JL\I8G/
$BGX7J(B	1. $BEl5~7w$X$N9b 2. $BCOJ}7w$G$N8[MQLdBj$N?<9o2=(B 3. $BF;8)C10L$G$N?M8}:F8:>/(B 4. $B5;=Q3W?7!&>pJs2=!"9bNp2=!"9q:]2=$N?JE8!";:6H9=B$$NE>49(B
$B3+H/J}<05Z$S	$B!R8rN.%M%C%H%o!<%/9=A[!S(B $BCO0hpJs!&DL?.BN7O$N@0Hw$H(B $B8rN.$N5!2q$E$/$j$N3HBg$rL\;X$9!#(B $B8rN.%M%C%H%o!<%/9=A[$N?d?J$K$h$jB?6KJ,;67?9qEZ$r7A@.$9$k!#(B $B"# 1. $B0BA4$G=a$$$N$"$k9qEZ$N7A@.(B 2. $B3hNO$KK~$A$?2wE,$JCO0h$E$/$j$N?d?J(B 3. $B?7$7$$K-$+$5 4. $BDj=;$H8rN.$N$?$a$N8rDL!">pJs!"DL?.BN7O$N@0Hw(B