[Asterisk-Users] blocked caller id

[William Suffill]

check the caller id in your incoming extension before you pass to to a
end user. Reset $calleridname to unavaliable if no number is given
On Tue, 2004-05-18 at 15:18, Roger wrote:
> I have a question - if a user calls up w/ blocked caller id I get the 
> following on my phone
> 
> Incoming call from asterisk
> 
> This is the same on my Cisco 7940s and Polycom phones.  For average 
> users this is not intuitive at all..
> 
> I'd like to configure this so if I deploy this at a customer site it 
> says "caller id unavialable".  With the spelling done right....
> 
> Any ideas on how this wold be accomplished?