The challenge in those cases is to find out why the calls were established. You can use SNMP to periodically query the CISCO-CALL-HISTORY-MIB where the source and dest address of the packet which triggered the outgoing call is stored (MIB object cis...
In 12.2(4)T there is a new command "dialer persistent" to implement nailed connections on dialers. As the Cisco827 might not be able to run 12.2T, you can use a workaround of configuring "ntp" on your router against an external ntp server. The period...
The PA-T3+ allows to allocate only a subrate to the link along with the Kentrox DSU (dsu bandwidth xxxxxx, dsu mode 1). It also supports scrambling on those subrate links. The PA-T3 did not support this configuration.
Are you sure that the ISDN connection uses the old German 1TR6 switch type? This switch type is no longer being offered, now german telcos offer net3 (ETSI/Euro ISDN) as well.
