References

Arandilla, C.C., J.B.A. Constantino, A.O.M. Glova, A.P. Ballesil-Alvarez and J.A.P. Reyes, 2010. High-level implementation of the 5-stage pipelined arm9tdm core. Proceedings of the IEEE Region 10 Conference on TENCON, November 21-24, 2010, Fukuoka, Kyoto, pp: 1696-1700.

Du Toit, A., 1992. Private PBX networks: Cost effective communications solutions. Proceedings of the 3rd Conference on AFRICON, September 22-24, 1992, Ezulwini Valley, Swaziland, pp: 637-640.

Ekinci, A.S. and A. Atalar, 1995. A fully digital DTMF receiver. Proceedings of the 21st European Conference on Solid-State Circuits, September 19-21, 1995, Lille, France, pp: 438-441.

Kasson, J.M., 1979. The Rolm computerized branch exchange: An advanced digital PBX. Computer, 12: 24-31.
CrossRef  |  

Segars, S., 1998. The ARM9 family-high performance microprocessors for embedded applications. Proceedings of the International Conference on Computer Design: VLSI in Computers and Processors, October 5-7, 1998, Austin, TX., USA., pp: 230-235.

Shatnawi, A.M., A.I. Abu-El-Haija and A.M. Elabdalla, 1997. A digital receiver for Dual Tone Multifrequency (DTMF) signals. Proceedings of the Conference on Sensing, Processing, Networking Instrumentation and Measurement Technology, Volume 2, May 19-21, 1997, Ottawa, Canada, pp: 997-1002.

Shen, L.T. and S.H. Hwang, 2009. A new algorithm for DTMF detection. Proceedings of the IFIP International Conference on Wireless and Optical Communications Networks, April 28-30, 2009, Cairo, Egypt, pp: 1-4.

Sulaiman, A.B., M.S.B.M. Nordin, N.B. Azhari and J.M. Desa, 2011. Samsung ARM9 S3C2440A hardware core circuit design. Proceedings of the IEEE Symposium on Computers and Informatics, March 20-23, 2011, Kuala Lumpur, Malaysia, pp: 352-356.

Win, A.S., 2008. Design and construction of microcontroller-based telephone exchange system. World Acad. Sci., 46: 60-66.
Direct Link  |