What is line group in CUCM?
What is early media? Explain the call flow.
What are the different call flows supported in H323?
What is T1 and E1? How many D and B channels do they have in case of ISDN?
What are the different versions of PVDM?
What is Dial-peer?
What is RTCP and what is its use?
Explain Cisco IP Phone boot up process?
What is fast start and slow start? Explain the difference between them.
Explain Q.931 and its use.
What is CUCM Cluster?
What is RTP in case of VoIP? Which layer of OSI model does it work on?
What is option 150 and option 66 in DHCP?
What is use of region in CUCM?
What is PLAR?