Modern open-source telephony platform based on Asterisk
Thursday, May 14th, 2009The seminar was presented by E. Sobol, Linux application engineer. It covers Asterisk and related Blackfin hardware topic.
Modern open-source telephony platform based on Asterisk (Blackfin Asterisk, SIP, GSM, Dialplan)
- What is an open-source telephony
- Asterisk’s history
- Asterisk is today and future of open-source telephony
- VoIP (Voice over IP)
- SIP (Session Initiation Protocol)
- RTP (Real-time protocol)
- Zaptel (Zapata Linux Telephony driver), FXO/FXS
- Asterisk modules and configs
- Dialplans, Asterisk contexts, Asterisk built-in extensions
- Advantages of Asterisk, comparison to other telephony projects
- Practical example: Asterisk running on IP04 hardware based on Blackfin processor
- IP04 technical specifications
- IP04 hardware architecture
- Compiling Asterisk from source for Blackfin platform
- Programming device, running Linux kernel and root filesystem
- Some practical demos - call from land-line phone to SIP phone, call between GSM and SIP, SIP to SIP calls, voicemail demo, menu demo, conference call demo
