1.What is the difference between Diplexer and Duplexer and
what position?
2. What is the different between CDU C and CDU A
3. How do you link a T1 from the 1st BTS to 2nd BTS
4. What is the value for TEI 1st T1?
5. What is the SSI?
I am currently into Telecom Testing doing some Protocol-
level testing(SIP,SS7,CAP protocols) and some Black-Box
testing.Is there any certifications which I can do related
to this?