[Asterisk-Users] limit the length of extensions

[Deon Rodden]

If I put my outbound rules in a different context, and then "include" 
them in my main context, callers who call in will be able to access the 
extensions in the main context, but not the "included" (ie the outbound 
extensions) extensions called from the outbound context?

Lyle Giese wrote:

>You limit them by context.  You put your outbound dialing patterns in a
>context that inbound callers cann't access.
>
>Lyle
>
>----- Original Message ----- 
>From: "Deon Rodden" <drodden at webunited.net>
>To: <asterisk-users at lists.digium.com>
>Sent: Tuesday, August 31, 2004 9:05 AM
>Subject: [Asterisk-Users] limit the length of extensions
>
>
>  
>
>>How do I limit the length of an extension? In my test IVR/Automated
>>Attendant (whatever it's called), at the beginning it plays "if you know
>>your parties 3 digit extension, you may enter it now) and then it gives
>>a list of options. If the caller puts the 3 digit extension, it goes
>>through fine, if they press 1, or 2 it goes to the selected menu option,
>>but if they dial 91235551212 it dials that phone number. Which of
>>course, is a big security risk.
>>
>>Is there a way to limit the length of an extension for an incoming call?
>>My only solution right now is to duplicate ever single extension (about
>>50 of them) in a seperate context, one that does not have the _9.
>>extension in it, and then make the call in menu have access to that
>>context.  However, if I put a limit in the entire context of 3 digits,
>>then my coworkers who's phones are in that context can only dial each
>>other, not 9 and an outside number. So it has to be an incoming limit or
>>something.
>>
>>Another possibly creative solution would be to "SetGroup(outsidecaller)
>>on the incoming line" and then just before my outbound extension put
>>"SetGroup(outsidecaller) and then a CheckGroup(2)" or something like
>>that.  I'd have to put another "SetGroup" in the outbound extension
>>because there's no way to specify the group with the checkgroup command,
>>it gets it from the setgroup statement.
>>
>>Any help would be appreciated.
>>
>>Thanks,
>>Deon
>>
>>
>>
>>[incoming]
>>exten => 9543340726,1,GotoIf($[${CALLERIDNAME} = anonymous]?2:4)
>>exten => 9543340726,2,setcidname(Blocked)
>>exten => 9543340726,3,setcidnum(0000000000)
>>exten => 9543340726,4,Goto(companyname,beginmenu,1)
>>
>>[companyname]   ; All the phones, including outbound extensions are in
>>this context
>>exten => beginmenu,1,SetVar(CALLEDNAME=CompanyName)
>>exten => beginmenu,2,Wait,1
>>exten => beginmenu,3,Background(company-main)
>>exten => beginmenu,4,Background(ifyouknow)
>>exten => beginmenu,5,Goto(company_mainmenu,s,1)
>>exten =>
>>_9NXXNXXXXXX,1,Dial(IAX2/company-asterisk at outbound-asterisk/${EXTEN:1})
>>exten => 502,1,Dial(SIP/whatever1&SIP/whatever2|30|m)
>>...
>>
>>[company_mainmenu]
>>exten => s,1,Background(company-nav1)
>>exten => 1,1,Goto(company_sales,s,1) ; Sales
>>exten => 2,1,Goto(companyname,502,1) ; Accounting
>>exten => 3,1,Goto(companyname,508,1) ; Customer Care
>>exten => 4,1,Goto(companyname,507,1) ; Technical Support
>>exten => 5,1,Goto(companyname,202,1) ; Human Resources
>>exten => 6,1,Goto(companyname,202,1) ; Provisioning
>>exten => 7,1,Goto(companyname,214,1) ; Marketing
>>exten => 0,1,Goto(companyname,210,1) ; Operator
>>
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>>
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