[asterisk-users] difference between playback and background?

[Steve Edwards]

On Mon, 21 Nov 2011, Danny Nicholas wrote:

> Option 2
> Use WaitExten with Background
> [getnum]
> Exten => start,1,background(prompt)
> Exten => start,n,waitexten(2)
> Exten => 1111,1,noop(user pressed 1111)
> Exten => I,1,playback(invalid)
>
> For option 2 you have to define each valid 4 digit entry in the context.

Or, (since the OP seems a bit newbish), read up on extension pattern 
matching.

-- 
Thanks in advance,
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Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                              Fax: +1-760-731-3000