1. CS760S Wireless Mesh for Voice Communication Presented by: Vishesh Kumar (2001431) Rohan Rai (2001426)

7. SJPhone Client 1 SJPhone Client 2 SJPhone Client 3 SJPhone Client 4 Asterisk Server 2 Asterisk Server 1 IAX2 Protocol Sip Protocol Sip Protocol

10. Server 13 7 th Floor Server 12 6 th Floor Server 11 4 th Floor Server 10 3 rd Floor SERVER 9 2 nd Floor SERVER 8 1 st Floor SERVER 7 Gnd Floor SERVER 3 4 th Block SERVER 2 5 th Block SERVER 6 1 st Block SERVER 5 2 nd Block SERVER 1 6 th Block SERVER 4 3rd Block MAIN BUILDING BLUEPRINT OF THE DISTRIBUTION OF ASTERISK SERVER

11. Bandwidth Measurement 27.7 Kbps 15 Kbps iLBC 31.5 Kbps 16 Kbps G.728 47.2 Kbps 24 Kbps G.726 55.2 Kbps 32 Kbps G.726 20.8 Kbps 5.3 Kbps G.723.1 21.9 Kbps 6.4 Kbps G.723.1 31.2 Kbps 8 Kbps G.729 87.2 Kbps 64 Kbps G.711 NEB BR Codec

12. erlang is a statistical measure of telecommunication traffic used in telephony It is the number of call hours during peak time. E.g. (For Main Campus) Erlang = 1200*60 (Peak calls / hr)+1/60(Avg time in hrs) = 1200 150 150 ~ 100 Erlang per server 3 2 13 Proposed no. of servers 450 300 1200 Erlang 90 90 60 Avg. time duration 300 200 1200 Peak calls per minute 300 200 1500 No. of Phones New Campus Old Campus Main Campus

14. Thank You