Digital Circuits

Review Questions

1	Which port type should you use to connect to a 2-wire analog service connecting to the PSTN for both inbound and outbound calling?
2	What types of signaling are required on a voice circuit?
3	What is the difference between CAS and CCS on an E1 circuit?
4	What is the difference between SF and ESF?
5	What two types of echo are possible on a voice circuit?
6	Which signaling type supports ANI on T1 CAS circuits?
7	Which line signaling method should you use on an E1 r2 satellite link?
8	What component of an ISDN message is used to carry information about the call?