[Asterisk-Users] restricting access to outside calls

[Eric Wieling]

This is done with contexts.  The context that incoming calls from the 
telco land in is allowed to dial out.  See the MANY examples on the 
web, including www.fnords.org/~eric/asterisk for examples of asterisk 
configurations
> 
> On Wed, 13 Oct 2004 21:08:41 -0400, Ed DeHart wrote:
> 
> 
>>When you call my system your call is handled by the auto
>>attendant.  It works fine with one little problem.  In addition
>>to being able to dial any extension during the announcement, you
>>can dial a telephone number.  The system will bridge the Zap
>>channel I call in on with another Zap channel and dial the number.
>>This allows anyone in the world to make calls to anywhere in the
>>world via my system.
>>
>>While this is fine for extensions logged into my system.  It
>>is not good to allow unknown users to make calls via my system.
>>How can I restrict access to connected users only?
>>
>>Thanks for putting up with a post from a newbie.