[Asterisk-Users] here's my IAX callthrough app and some questions about problems I have.

Brian Dingman bdingman at gmail.com
Sun Jan 23 21:04:35 MST 2005


Did you ever get DTMF to work reliably with LiveVoip. I am having the
exact same problems.


On Mon, 17 Jan 2005 20:22:30 -0500, Jess Coburn <jess.coburn at gmail.com> wrote:
> Hello all,
> 
> What my app does is accepts a call in on a Dial-In Number (DID) via
> IAX, and then prompts the caller for the top secret password (123) and
> then authenticates the user and prompts them to dial in the number
> they'd like to call. Once they press pound after dialing in the number
> it will read it back to them, if they press pound it will attempt to
> connect via the second IAX provider, if they press star it will allow
> them enter in the number over again.
> 
> Now here's the problems and questions:
> 
> 1. DTMF detection seems flawed, sometimes it's dead on but alot of
> times it will see a single keypress as multiple keypresses. So I may
> press 561 but it will see 566661 and all three keypresses are about
> the same length. Is this unique to my case or do you others see this
> too. I suspect it's due to either background noise or maybe
> packetloss? Any ideas on how to clean this up?
> 
> 2. The only way I can get the app to fire off is if I put the
> extension mapping in as _NXXNXXXXXX,1,CMD I'd like to use s,1,CMD but
> I don't know what I'm missing here or doing wrong.
> 
> Below are a copies of my extensions.conf file and my iax.conf file.
> 
> Regards,
> Jess
> 
> extensions.conf
> file---------------------------------------------------------------------
> 
> [general]
> static=yes
> writeprotect=no
> 
> [globals]
> ${OUTGOING-NUM}=XXXX
> 
> [arbitrary-in]  ; <-- Should match the context you have
>                    ;     under [incoming] in iax.conf
> exten => _NXXNXXXXXX,1,Answer
> exten => _NXXNXXXXXX,2,Background(vm-password)
> exten => _NXXNXXXXXX,3,Authenticate(123)
> exten => _NXXNXXXXXX,4,Playback(beep)
> exten => _NXXNXXXXXX,5,SetVar(NR=)
> exten => _NXXNXXXXXX,6,Goto(testdtmf|s|1)
> 
> ;
> ; This context is used by the sample [arbitrary-name]
> ; context above to read back each digit you press.
> ;
> [testdtmf]
> exten => s,1,SetVar(NR=)
> exten => s,2,Background(pls-entr-num-uwish2-call)
> exten => s,3,Background(and-prs-pound-whn-finished)
> exten => s,4,Background(beep)
> exten => s,5,WaitExten(10)
> exten => _x,1,SetVar(NR=${NR}${EXTEN})
> exten => _x,2,NoOp(${NR})
> exten => _x,3,Goto(testdtmf|s|5)
> exten => _#,1,Goto(verifynumber|s|1)
> exten => i,1,Goto(testdtmf|s|1)
> exten => t,1,Hangup
> 
> [verifynumber]
> exten => s,1,Background(you-dialed)
> exten => s,2,SayDigits(${NR})
> exten => s,3,Background(if-correct-press)
> exten => s,4,Background(pound)
> exten => s,5,Background(otherwise-press)
> exten => s,6,Background(star)
> exten => _#,1,Background(pls-wait-connect-call)
> exten => _#,2,Dial(IAX2/${OUTGOING-NUM}@outgoing/${NR},30)
> exten => _#,3,Background(something-terribly-wrong);
> exten => _#,4,Background(goodbye)
> exten => _#,5,Hangup
> exten => _*,1,Goto(testdtmf|s|1)
> 
> iax.conf file --------------------------------------------------------------------------------------
> ; iax.conf
> 
> [general]
> 
> ${INCOMING-USR}=SECRET-USERNAME
> ${INCOMING-PWD}=SECRET-PWD
> ${LIVEVOIP-SVR}=217.160.244.186
> 
> bandwidth=high
> disallow=lpc10
> jitterbuffer=yes
> dropcount=2
> maxjitterbuffer=500
> maxexcessbuffer=80
> minexcessbuffer=10
> jittershrinkrate=1
> 
> register => ${INCOMING-USR}:${INCOMING-PWD}@${INCOMING-SVR}
> tos=lowdelay
> 
> [incoming]
> ; this is the incoming IAX provider
> type=user
> secret=ITS-SECRET
> deny=0.0.0.0/0.0.0.0
> permit=217.160.244.186/255.255.255.0
> context=arbitrary-in
> 
> [outgoing]
> ;this is the outgoing IAX provider
> type=peer
> host= 216.118.117.46
> secret= ITS-SECRET
> auth=md5
> notransfer=yes
> context=default
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