search for: 800xxxxxxx

I'm using happily this cheap phones, but I still have a little problem. Configuring the phone is extremely easy on * and I've a couple of them perfectly working, except when i try to call some toll-free number (in italy 800xxxxxxx ). If the number called is an IVR system, often with GrandStream (but also with Cisco 7905.h323) it's impossible to make the menu choices via the Dialpad. I think that the inband-dtmf Grandstream issue may cause this problem. Going in the details: I call the 803121 (Telecom Italia toll-free...

...I am trying to get asterisk to recognize these new additions, but for some reason it simply isn't working. It appears to me that asterisk is taking the digits that are passed from the telco and using all of them as the DNIS. So when a call comes in asterisk looks for extension "*CALLERID*800XXXXXXX*" where callerid is the actual number of the calling party. It obviously can't find a match to that extension and since it changes with each caller I ended up matching all calls with an exten => _. So I guess my question is what am I doing wrong? I know that * has to be able to inter...