Using Session Initiation Protocol to build Context-Aware VoIP Support for Multiplayer Networked Games Aameek Singh
Arup Acharya
Georgia Insitute of Technology Atlanta, GA
IBM T.J.Watson Research Center Hawthorne, NY
[email protected]
[email protected]
ABSTRACT
!"#$"%&'()#$* ,+.-/0 1 3243*56!798:,;;?23; 1 ; 1 2@4A3 ; 1 %(BDCD8: EDGI F H3JKL $NM4;, 6OA ¦P¤ jô è §Vêf¤T¿ è §êT¦V¥VéV¥ 39 `5#ºM:+@X.#$ ºM 1 y#x3,x y 1 %@* 1 6,*$[E4 P 1 U8:v#$BxZ% : 1 3 1 3;+NX.#$3 3 Y5#`ºM'3 1 Z´D-yY#U#`M@a 4ZY# 1 #]3 Y M@a;±#$ #$ M"D :%(rW#$9(>$ 1 3;&333=($#$ºM[u3T+ X.#$3".$ x8:`% : 1 3 x$%(>$)(r`4 1 ! x;3$ %2@ 1 +^V;3$_#$ Mx&eºMx33!Yv 1 3;%`30 P3;^(=#$"#4D6@ v6 < U66 ,P #$' %38 Z()#$ZºM3D 4 1 v# ;3$6%2@ 1 [;3 U5(A#$*;3$6%2@ 1 Z 1 4 1 ; $3 1 !5#$ M S 8, N3333$6v4 A 1 (rV 1 µ7¼4 D v $Pv0 c#$ û a haX¸g%;+ZX.#$3" D#$5#vºM_3 3$6 1 *Y#$ #" 3D33 3j+DX.#$ 1 $3[M4aOs.,& (>D#$3 4 1 %Y3 $ 1 63 3;40 ø +9X.#$3 1 (> 1 5;\#&.%"$N%$.Y/M4»"Od3 b /º ¹ +jab"Y33=#] %UDº ¹ #6ºMcY# 1 #x ^yDº ¹ #$*E4 +DX.#$3 1 $3Y#$Z$36%%%3;^3$ 3;^ 0 1 %+yX.#$N&3c%%%3;w3Z3$ xY#$2[#$ 1 33, 3 2[#$cmrY#$ 1 # 1 d8:62;3@P!% yZ(> 1 e8, ^#$ M'8$% N;#5 v :;3 1 $oV+ 1 `#&!"*3[< c 42@ Z 1 cm 0 ë o/&.*3 #$P3 +9X.#%%%3;'3.3&Y#6#$ 1 3 @Y%& 9¾ ¸s%;5Y# 3*3 2@ `#$+ IMc|ñtÞ )yÓräóð*â:ñtòf×4Ö!×4ñuäÓ>ñtÔ X.#$x ;40f#0T$ w 3 1 S 8:%P @3 S #@$ 3 1 %3$_#$!2VP3E4 :3 1 ;+X.#$63 :%P@*3%%`3 (n 1 333P!3$#$3Y3(>P 1 ;+eX.# M' 1 1 *8:AE@0 $33x3x$VP=h9a 1 ;+ S /Y33µ 1 38:Yb.* 1 $3;9Y#$ 1 #VE 3#$Y$% (:;# 1.1 (rV 1 3D(r=`$3 $ ,t 5&Z# e3 1 #& 1 5#$2;P3j3vE4 :3 1 ;+
5.1 Handling Conference Creation
/ U4P33 p p 42@ $'% 1 3; S #$ Mg3% :;%38$3 (>_6&;3$]#y&3e%%%3;U(Z 5#c $ ,3g# ;;+lab 1 ,P3&!NY#g#^ºMg&s%6$ q $ 0 ! 1 (> 1 `(r63.#N $% 1 3 &,+y{q# 3N3` :;%%0 83Z(r[ M_N ,(> c3= :%%38$3 1 (rV 1 " ^2 1 mn335#";"8&% 1 (rV 1 3 '#$53 1 ! c8&% :;0 1 $o S %&30b%%% e :;3 1 3 1 w8:62V% 1 $3Ey& @ 4& 1 6@3$6% 1 #cx 3A @ 1 3;^43 1 $ +"/ xVE$ $3 S 1 $% [6 :;3 1 cY#$ 1 #x 4#$"3^-D,v0 S v(/ 4 : ,Vv$¦ '3 1 ;(> 1 Y#e $ ,v( b 4 : ¤fV$¦ &_%33B!(>"@$V;$Y#$D 4 :*(= $ ,+ /Ny%$ :$3$y$ :;w#$_; 1 ;,E@ S # 1 8:*v@`8:(A :;%%38$3 1 (rV 1 97 3) :;%%38$3 1 ;4(r 1 Y#_#$ZºMymrY# 1 #_3_#$*E 1 &! Z.; N3 1 $D6, 1 `8 $3;.(| $ , 4 :PoV+ D# 1`1 (rV 1 3U $ 4" 1 1 = 3x332@ 3$U% 1 # 3%%+A´%3$D;4#$ 1.1 ;(> 1 3$D(> 4 S # M 1 1 ! 1 ;4(r 1 v0T#$V0f Y#$2;5#$Z :;3 1 x 1 P!*' 1 ;(> 1 ;+DX.#@$ S (>5DE " 1 &! S #$* U$ 8:', xE43 1 5Y3$3N# 1 (> 1 ;+9D*%$ S (r/ # ¡s $% 1 3 &@£¢¤ ÷ ¥ ¤ ¥¦¦¦¥ ¤K§¨ S Y3#]&43 1 ;(> 1 Y3$ û
%3;$3,¢Y© © © § ¨ S #D%3;$: 1 2; 8@ * $% 1 ¤Kª=3¬÷ «¥ 3Yû ¥!;¦32¦¦¥ U8, ª m®%« o¯±°²©´4³ m®«%o S Y# Jxµ$¶·µ ¡x$ ¶`¯º ¸ ¹
3 &,
k 2 S . 1 %e#$3s(` 1 &3Y#$xd %; #$3%!P.$ #$#$5(>33!(r%!PD&N; :;%0 3;4(>$%/#$Y3;&4b^E4 1 g8:_ %33 s40 #& 1 xP;% 1 #] 1 #&3%53@ 1 ;$% 4P3;j+_/ % S [ *(r%38$36 y#$3*3(>63d$%3$cM@a # 1 (> 1 H R!L +gX.#[&c, Pr ©,$;4P, S Y33)8:[!2'(>ç# 1 (> 1 [Y# %¤f &"% %%3 %P$%3; * ,.# 1 (> 1 =Y# P r + {y/