Redial: Interactive Telephony
Shawn Van Every Shawn.Van.Every@nyu.edu
Wednesday 6:30 PM - 9:00 PM
Syllabus (this page): http://itp.nyu.edu/~sve204/redial/
ITP Telephony Listserv: http://forums.nyu.edu/cgi-bin/nyu.pl?enter=itp-telephony
Class Wiki: https://www.itp.nyu.edu/~sve204/cgi-bin/pwiki/wiki.pl?RedialClass
Tuesdays and Thursdays 12 PM - 2 PM
25% Class Participation/Attendance
25% Final Project
Mandatory, unexcused absences will affect your final grade. If you are going to be absent, please let me know ahead of time if you can.
Excessive lateness will affect your grade. Don't be late.
Laptop use is prohibited while other students are presenting or during discussion. While I am lecturing you may use them for note taking or class related work. In other words, respect your fellow students and don't check your email.
Asterisk The Future of Telephony - O'Reilly - Jim Van Meggelen, Jared Smith and Leif Madsen
(Published under Creative Commons and available online at: http://www.asteriskdocs.org/modules/tinycontent/index.php?id=11)
Wired for Speech - How Voice Activates and Advances the Human-Computer Relationship - Clifford Nass and Scott Brave
Asterisk Documentation Project
O'Reilly Emerging Telephony
This class will have weekly homework assignments, readings along with a midterm and final project. All are required. Failure to do assignments or participate in class discussion on readings will adversely affect your grade. Assignments will be posted on syllabus each week. Please check syllabus for current assignment even if they aren't mentioned in class.
VoIP and Internet Telephony are fast moving areas. Telephony in general has a long history and has had dramatic effect on culture and society around the world. Unfortunately, 14 weeks is not enough time to cover all of the emerging technical aspects nor the rich cultural and societal impact that telephony has had. In order to add more variety into the course material each student will be assigned to a group to give a short (15 minutes maximum) presentation on one historical, cultural, societal or emerging technical aspect that we are not covering in course material.
Week 1 - September 6
Introductions: Syllabus, Examples, VoIP basics and Asterisk
Find some interesting examples of using the phone for performance, information retrieval, social purposes and so on. Add them to the class wiki and prepare to dial or otherwise show in class.
Get up and running with your Asterisk account on Social. Try some simple commands in your Dialplan such as Echo, SayDigits, Background, Wait, and so on. Use the Asterisk book or voip-info.org as a reference.
ART BY TELEPHONE: FROM STATIC TO MOBILE INTERFACES
Chapters 1 and 5 (Ignore "Using the Dial() Application") of Asterisk: The Future of Telephony
Week 2 - September 13
Asterisk 101: Voicemail, Manager Interface, Basic Unix and more with the Dialplan
Get comfortable with Voicemail
Explore the Dialplan
Build a Voicemail like system with the Dialplan
VoIP Hacks Handout
Chapters 5 (again), 6, 11 and appendix B of Asterisk: The Future of Telephony
Week 3 - September 20
Softphones and Dialplan Continued: Core Concepts, Advanced Commands
Get up and running with a softphone, try out the more advanced commands from this week.
Week 4 - September 27
Programming Asterisk: PHP 101, AGI Scripting
Get familiar with PHP programming and try some simple AGI scripting.
A good plan might be to try writing an AGI script that has the server read the time and temperature.
Week 5 - October 4
Programming Asterisk Continued
Bridging to the Web
Brainstorm for Midterm
Week 6 - October 11
Other Topics in VoIP: IP Phones, WiFi Phones, ATAs and more.
Midterm Workshop and Review
Week 7 - October 18
Week 8 - October 25
Speech Synthesis (Festival)
Try using Festival in one of your projects, try out the different voices and what can be done with SABLE
Read Chapters 1 through 4 in Wired for Speech
Week 9 - November 1
Speech Recognition (Sphinx)
Guest Presentation: Hacker Community
Try using Sphinx.
Read Chapters 4 through 8 in Wired for Speech
Week 10 - November 8
Controlling Devices by Phone (by Network)
Guest Presentation: VoIP Community
Decide on and prepare final project proposal
Finish up Wired for Speech
Week 11 - November 15
Final Project Proposals
Week 12 - November 29
Final Project Workshop 1
Week 13 - December 6
Final Project Workshop 2
Week 14 - December 13
Let's See it! Show final projects, Expect guests
Additional Topics (depending on time):
iChat/AIM/Skype/GTalk/Yahoo Messenger and the like
Emerging VoIP Topics: Presence, Web 2.0 APIs and whatever else comes up
SIP to SIP dialing and IP only phone networks (Free World Dialup, ENUM)
Basic Telephone Electronics
Asterisk 1.4, Asterisk GUIs