Prabhat Kumar Sharma >>Recommended Books/Links

—1. IP Telephony- O. Hersent, D. Gurle and JP Petit- Pearson Education Asia
2. —Multimedia Communications – J. D. Gibson (Editor) – Harcourt India
—3. IP Telephony – Bill Douskalis – Prentice Hall
—4. Multicast Communication- R. Wittman, M.Zitterbart-Morgan Kaufman