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Hi All: I have a Cisco3620 with a proper T1/PRI card installed with asterisk running on the same LAN. Since I have lit up the line, I can dial out and make calls to regular lands lines. However when a call comes back in it rings the destination phone once and disconnects. Here is an error from my router 15:40:45: ISDN Se1/0:23 SERROR: L3_GetUser_NLCB: EVENT 0X45 No NLCB 2 15:40:45: ISDN

Hi I have a system with one asterisk box in front and a few PSTN gateways in the back. When a call comes from PSTN, it's directly forwarded to the edge/user asterisk box. Now if a number is dialled, and that number is not in use, blocked due to lack of paying etc, I want to signal that back to the PSTN gateway, making this playback or playtones to avoid picking up the phone. Can someone