Following are the snippets of extensions.conf;

extensions.conf
---------------------

[incoming-call]
exten=>1234,1,Answer()
exten=>1234,2,Wait(2)
exten=>1234,3,Noop("CallerID is ---> "${CALLERID(num)})
exten=>1234,4,Background(${WELCOMEMESSAGE})
exten=>1234,5,WaitExten(,m(1))
exten=>1234,6,Background(RadioNoEntry)
exten=>1234,7,Hangup()


exten=>1,1,Macro(music,${WELCOMEMESSAGE},1,${MUSICTIMEOUT})
exten=>2,1,Macro(music,${WELCOMEMESSAGE},2,${MUSICTIMEOUT})
exten=>3,1,Macro(music,${WELCOMEMESSAGE},3,${MUSICTIMEOUT})
exten=>4,1,Macro(music,${WELCOMEMESSAGE},4,${MUSICTIMEOUT})
exten=>5,1,Macro(music,${WELCOMEMESSAGE},5,${MUSICTIMEOUT})
........
........
........
exten=>98,1,Macro(music,${WELCOMEMESSAGE},98,${MUSICTIMEOUT})

[macro-music]
;ARG1-Station Announcement
;ARG2-Station number
;ARG3-Timeout
exten=>s,1,set(STATION=${ARG2})
exten=>s,2,WaitExten(${ARG3},m(${ARG2}))
exten=>s,3,Hangup()


Following are the snippets of musiconhold.conf;

musiconhold.conf
---------------------
[general]
cachertclasses=yes 

[default]
mode=files
directory=/var/lib/asterisk/moh/radio



[1]
mode=custom
application=/usr/local/bin/mpg123 -q -s --mono -r 8000 -f 8192 -b 0 http://4013.live.streamtheworld.com:80/ARNCITY_SC

[2]
mode=custom
application=/usr/local/bin/mpg123 -q -s --mono -r 8000 -f 8192 -b 0 http://radionri2.lbdns-streamguys.com

[3]
mode=custom
application=/usr/local/bin/mpg123 -q -s --mono -r 8000 -f 8192 -b 0 http://69.162.119.226:8300


.......................
.......................
.......................

[98]
mode=custom
application=/usr/local/bin/mpg123 -q -s --mono -r 8000 -f 8192 -b 0 -@ http://yp.shoutcast.com/sbin/tunein-station.pls?id=1000081