[Asterisk-Users] Preventing Asterisk from sending 'h' across to SIP Provider

[Eric Wieling aka ManxPower]

Brian Wilkins wrote:
> Hi, 
>    I want to prevent Asterisk from sending the h extension across to the SIP 
> provider or to prevent it from hitting the script at all. The SIP Provider 
> does not know what to do with the h extensions once it receives it. My SIP 
> Provider takes all digits and forwards them off to a softswitch for 
> processing. Everytime a call hangs up, it complains about running AGI scripts 
> on hungup channels and to use DeadAGI. I want it to not send the hangup to 
> the provider at all. Taking out the Hangup line does not help nor does 
> autofallthrough=no. I have posted my extensions.conf below. Thanks -
> 
> [general]
> autofallthrough=yes
> context=default
> 
> [default]
> ;exten => _.,1,Dial(SIP/003214093773 at 3213084999,70,t)
> exten => _.,1,AGI(mta_auth.agi,${EXTEN})
> exten => _.,2,Hangup

Don't use _. pattern.  . means "match anything".  Use _X. or something 
like that.