If errors 629 or 650 are received when making a dial-up connection, it is an indication that the phone line quality is too poor to support a dial-up signal. Please read the following steps to improve your phone line quality:
Increasing Your Line Quality
Article ID: 191, Created: December 21, 2009 at 4:01 PM, Modified: July 28, 2010 at 4:30 PM