What is line group in CUCM?

324

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What is early media? Explain the call flow.

436

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What are the different call flows supported in H323?

395

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What is T1 and E1? How many D and B channels do they have in case of ISDN?

409

---

What are the different versions of PVDM?

379

---

What is Dial-peer?

469

---

What is RTCP and what is its use?

412

---

Explain Cisco IP Phone boot up process?

407

---

What is fast start and slow start? Explain the difference between them.

326

---

Explain Q.931 and its use.

355

---

What is CUCM Cluster?

393

---

What is RTP in case of VoIP? Which layer of OSI model does it work on?

422

---

What is option 150 and option 66 in DHCP?

413

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What is use of region in CUCM?

420

---

What is PLAR?

427

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