I have an ISDN subscription and modem that work fine, except when I try to increase the ‘Maximum Speed’ to 115200. I cannot connect if my maximum speed within modem properties (in cotrol panel) is set to 115200. After waiting for a while I get a an Error 629 message.
I can only connect if I select the maximum speed to be 57600. Any ideas why, and how I can increase my connection speed?
