References

1. Daniel Collins, "Carrier Grade Voice over IP", New York : McGraw-Hill, 2001. (NCNU NetLibrary eBook)

Syllabus

1. Introduction (Chapter 1) - VoIP vs. IP Telephony
   • [YouTube] Introduction to Voice over IP (Eli the Computer Guy 61:20)
2. Basics about TCP/IP
   • Hands-on: ISO 7 Layers & Wireshark
   • TCPDUMP Filters
   • [Lab] Capture packets with Wireshark
3. Socket Programming
   • Python Socket API
   • TCP sends data in streams instead of message chunks.
   • [Lab] File Transfer
   • [Lab] Python and C
4. Audio
   • [Python] PlaySound()
   • [C++] PlaySound()
   • Format of WAV
     1. Stanford - WAVE PCM soundfile format
     2. SonicSpot - WAVE File Format
   • Recording Live Audio Streams in Windows
5. RTP
   • Hands-on: oRTP
6. Codecs: G.711, AMR, iLBC
   • Hands-on: Linphone 3.7.0
7. SIP
   • Session Initiation Protocol [PPT]
   • libosip2
   • Hands-on: eXosip
8. WebRTC
   • JavaScript

WebRTC

1. GoToMeeting
2. Firefox Hello
3. Wikipedia - WebRTC
4. How WebRTC Is Revolutionizing Telephony. Blogs.trilogy-lte.com (2014-02-21). Retrieved on 2014-04-11.
5. [YouTube] Justin Uberti, WebRTC - Plugin-free realtime communication, 2013.

VoIP Security

1. Secure RTP (SRTP)
2. vomit - hacker tool that converts captured VoIP packets into a WAV file.
3. Zfone - similar to PGP in emails.
4. RFC 6189 - ZRTP
5. Handbook of image and video processing [electronic resource] /
6. Disappearing cryptography [electronic resource] : information hiding : steganography & watermarking

Articles

1. GNU Free Call: An Open Source Skype Alternative
2. VoIP security, PGP style
   • PEM relied on a centrally managed PKI, which has proven to be unworkable.