Feel free to thank Oldvamp for this, he posted somewhere else here

bind X "say &def_depdisp.wav Dispenser Deployed"
bind X "say &def_deppipe.wav Pipe Trap Deployed"
bind X "say &def_depsen.wav Sentry Deployed"
bind X "say &def_dropflag.wav Defend the dropped flag"
bind X "say &def_fixsenty.wav Repair our sentries"
bind X "say &def_flag.wav Defend our flag"
bind X "say &def_flagdanger.wav The flag is in danger"
bind X "say &def_flagprimexit.wav Flag outgoing primary exit"
bind X "say &def_flagsafe.wav Base Secure"
bind X "say &def_flagsecexit.wav Flag outgoing secondary exit"
bind X "say &def_iam.wav I'm defending"
bind X "say &def_incflag1.wav Incomeing flag"
bind X "say &def_incflag2.wav They're comeing for the flag"
bind X "say &def_incprimrte.wav Incomeing primary route"
bind X "say &def_incsecrte.wav Incomeing secondary route"
bind X "say &def_needsupp.wav Requesting support"
bind X "say &def_obj.wav Defend the objective"
bind X "say &def_wpt.wav Defend the WayPoint"
bind X "say &gen_anytime.wav Any Time"
bind X "say &gen_ceasefire.wav Cease Fire"
bind X "say &gen_firehole.wav Fire in The Hole"
bind X "say &gen_giveammo.wav Give me some ammo"
bind X "say &gen_gogogo.wav GO GO GO!!"
bind X "say &gen_goodbye1.wav Good Bye"
bind X "say &gen_goodbye2.wav G'Bye"
bind X "say &gen_halt.wav Halt"
bind X "say &gen_hello1.wav Hello"
bind X "say &gen_hello2.wav Hullo"
bind X "say &gen_inpos.wav In Position"
bind X "say &gen_isbasesec.wav Is our base secure?"
bind X "say &gen_moveout.wav Moooove out"
bind X "say &gen_movepls.wav Move please"
bind X "say &gen_no1.wav NO"
bind X "say &gen_no2.wav NO"
bind X "say &gen_noprob.wav No Problem"
bind X "say &gen_objcplt.wav Objective Complete"
bind X "say &gen_objfld.wav Objective Failed"
bind X "say &gen_oops.wav Oops"
bind X "say &gen_pass.wav ASS"
bind X "say &gen_reportin.wav Report IN"
bind X "say &gen_sorry.wav Sorry"
bind X "say &gen_stop.wav STOP"
bind X "say &gen_unlucky.wav Unlucky"
bind X "say &gen_wait.wav Wait"
bind X "say &gen_waitord.wav Awaiting Orders"
bind X "say &gen_watchfire.wav Watch Your Fire"
bind X "say &gen_yes1.wav YES"
bind X "say &gen_yes2.wav Yes"
bind X "say &off_attobj.wav Attack the Objective"
bind X "say &off_attsentry.wav Attack the enemy Sentry"
bind X "say &off_attwpt.wav Attack the Way Point"
bind X "say &off_carrsupp.wav Our Flag Carrier needs support"
bind X "say &off_coverme.wav Cover Me"
bind X "say &off_defhvy.wav Enemy Defence Heavy"
bind X "say &off_deflight.wav The Enemy defence is light"
bind X "say &off_dephe.wav Heavy Explosive Deployed"
bind X "say &off_flagget.wav Get the Enemy flag"
bind X "say &off_flaggive.wav Give Me the flag"
bind X "say &off_flaghave.wav I have the enemy flag"
bind X "say &off_flagtake.wav Take the flag from me"
bind X "say &off_imatt.wav I'm attacking"
bind X "say &off_needsupp.wav I need reenforcements"
bind X "say &off_spotpipe.wav Pipes spotted"
bind X "say &off_spotsen.wav Sentry spotted"
bind X "say &tap_alright.wav Alright!"
bind X "say &tap_aw.wav Awwww..."
bind X "say &tap_goaway.wav Go Away"
bind X "say &tap_goodgame1.wav Good Game"
bind X "say &tap_goodgame2.wav Great Game"
bind X "say &tap_myflag1.wav My Flag"
bind X "say &tap_myflag2.wav My flag, and you can't have it"
bind X "say &tap_nicecapture1.wav Nice Capture"
bind X "say &tap_nicecapture2.wav Niice Capture"
bind X "say &tap_nicemove1.wav NICE Move"
bind X "say &tap_nicemove2.wav NICE MOVE!"
bind X "say &tap_niceshot.wav Nice Shot"
bind X "say &tap_sneakybastard.wav You sneaky bastard"
bind X "say &tap_thatsucks1.wav That Sucks"
bind X "say &tap_thatsucks2.wav That Suuucks"
bind X "say &tap_thegreatest.wav We're the greatest"
bind X "say &tap_wellplayed1.wav Well Played"
bind X "say &tap_wellplayed2.wav Well Played" //english accent
bind X "say &tap_werock1.wav We Rock"
bind X "say &tap_werock2.wav We ROCK"
bind X "say &tap_yourmine.wav Your Mine"
bind X "say &tap_yourock.wav YOU Rock"

The "x" its the key youre gonna bind the sound to...In your "Quake III Arena\excessiveplus\q3config.cfg" file