Abstract—VoIP is a technology that is popular all over the
world for its cost effectiveness. Asterisk is an open source,
converged telephony platform that supports all the protocols of
voip (sip, iax, h.323, mgcpetc). We establish this voip based
asterisk pbx on ubuntu 11.10 (a linux-based os) which allow us
to make unlimited free calls with the help of ip phone or
traditional phone within a lan/can without internet connection.
Wi-fi is often presented as a model of successful unlicensed
frequency spectrum deployment. For wireless communication,
we extend our voip based pbx to wi-fi technology, with the name
vowi-fi. The convergence time depend on the speech content e.g.
voiced/unvoiced. In terms of unvoiced segments, the
convergence time is stable as in voiced phases it fluctuates. It is
also rely on silence suppression. But it associate degree bound at
the top of the segment. As most of the internet subscribers of
Asian countries use very low internet bandwidth. Hence, the
goal of this analysis is to propose to use it without internet. In a
real life environment it is tested practically in research that it is
possible to transmit voice satisfactorily described in this paper.
Index Terms—VoIP, asterisk PBX, Wi-Fi, IP phone,
VoWi-Fi.
Md. Nahid Akter Shafi is with the Network Operations Center of Inspire
Systems Limited in Dhaka, Bangladesh (e-mail: nahid_apee@yahoo.com).
Abdullah Al Kawer is with the Information technology department of
Dhaka Power Distribution Company Limited (DPDC) in Dhaka, Bangladesh
(e-mail: kawser.telecom@gmail.com).
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Cite: Md. Nahid Akter Shafi and Abdullah Al Kawser, "Configuration of Own PBX System within a Campus Area Network and Implementation of VoWi-Fi," International Journal of Future Computer and Communication vol. 4, no. 6, pp. 391-394, 2015.
