Note: All passwords to access dialogic.com were reset on Friday, January 22nd, 2021. Please use the Forgot My Password page to create a new password.
A class-4 (or tandem) telephone switch is a U.S. telephone company central office telephone exchange used to interconnect local exchange carrier offices for long distance communications in the public switched telephone network.
Circuit Switched << Previous
Next >> Clear Channel Signaling (CLEAR)
References for the glossary can be viewed by clicking here.