Title :
Secure speech communication over public switched telephone network
Author :
Anas, Nuzli Mohamad ; Rahman, Zahid ; Shafii, A. ; Rahman, Md Nizam Abd ; Amin, Zainal Abidin Mat
Author_Institution :
Telekom R&D Sdn Bhd, Selangor
Abstract :
This paper is incorporated to explain the work to design a secure telephone prototype namely "SecurePhone", with practical and reliable encryption, easy to operate and connects to public switched telephone networks (PSTN). SecurePhone is a device terminal that is designed to operate reliably, with high speech quality. It can acts as both ordinary telephones and secure instruments over the dial-up PSTN. Secure telephone operates in full duplex over a single telephone circuit using echo cancelling modem technology
Keywords :
echo suppression; telecommunication security; telephone networks; voice communication; SecurePhone; echo cancelling modem technology; public switched telephone network; speech communication security; Circuits; Communication switching; Cryptography; Instruments; Modems; Oral communication; Prototypes; Speech; Telecommunication network reliability; Telephony;
Conference_Titel :
Applied Electromagnetics, 2005. APACE 2005. Asia-Pacific Conference on
Conference_Location :
Johor
Print_ISBN :
0-7803-9431-3
DOI :
10.1109/APACE.2005.1607838
