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Voice Over IP for Textphones: An implementation of an Analog Telephone Adapter enabling Baudot textphones to use real-time text over Real-time Transport Protocol using open-source code and hardware solutions
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. (CCSlab)
2008 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this thesis we will discuss how to implement a ToIP device that enables communication with a standard textphone over Internet Protocol using open software and hardware solutions. We will make an analog to telephone adapter capable of supporting Baudot textphones with the help of the software Asterisk, Open Baudot and the hardware platform IP04. We will discuss if the use of this device, if it is outdated already. We have performed practical testing of our solution and compared it with a voice channel setup.

Place, publisher, year, edition, pages
2008. , 57 p.
Trita-ICT-COS, ISSN 1653-6347 ; COS/CCS 2008-10
Keyword [en]
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-91889OAI: diva2:511505
Subject / course
Computer Communication
Educational program
Master of Science in Engineering - Microelectronics
2008-06-19, Seminar room Grimeton, Isafjordsgatan 22, Kista, 13:00 (English)
Available from: 2012-03-23 Created: 2012-03-21 Last updated: 2013-09-09Bibliographically approved

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ReferencesLink to record
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