Dear Group, I have a 801 ISDN router: it sends a call even if (apparentely) no ip request are coming to. I've enabled the debug ISDN q931 and debug ip packet. And I can observe the following: 00:26:27: IP: s=10.10.10.6 (Ethernet0), d=10.10.10.255 (Ethernet0), len 78, rcvd 3 00:26:28: IP: s=10.10.10.6 (Ethernet0), d=10.10.10.255 (Ethernet0), len 78, rcvd 3 00:26:29: IP: s=10.10.10.6 (Ethernet0), d=10.10.10.255 (Ethernet0), len 78, rcvd 3 00:26:29: IP: s=10.10.10.6 (Ethernet0), d=DNS IP address (BRI0), g=DNS IP address , len 62, forward 00:26:29: IP: s=10.10.10.6 (Ethernet0), d=213.183.144.20 (BRI0), len 62, encapsulation failed 00:26:124554092544: %ISDN-6-LAYER2UP: Layer 2 for Interface BR0, TEI 67 changed to up 00:26:124554092544: ISDN BR0: TX -> SETUP pd = 8 callref = 0x05 00:26:124560085020: Bearer Capability i = 0x8890 00:26:124554092544: Channel ID i = 0x83 00:26:124554092544: Called Party Number i = 0x80, 'xxxxxxxxxxx' 00:26:31: ISDN BR0: RX Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=19917&t=19917 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]