atcomsystems.ca/forum Forums Other TDM Phone Systems Sprint - Tadiran Telephones & Systems What woudl cause an SLT ro ring back?

The Disconnect tone is changeable but it is a system wide feature which may cause an issue if the Voice mail is looking for the D tone if the customer has Loop start trunks. If they have a PRI, I think it would be a moot point on using D as the disconnect tone. .