hi all
have a look at the following link useful for vicidial users
basic vicidial tips
http://linuxblogs.wetpaint.com/page/Vicidial
vicidial server and bandwidth selection
http://linuxblogs.wetpaint.com/page/Telephony
E1/T1 setup
http://linuxblogs.wetpaint.com/page/PRi+E1%2FT1