In the following content you will find the Asterisk telephony and voice over IP course divided into 3 modules.
asterisk-instroduction_and_history_course.pdf
voice_over_ip_and_asterisk_course_module-i.pdf
voice_over_ip_and_asterisk_course_module-ii.pdf
voice_over_ip_and_asterisk_course_module-iii.pdf
— David Gonzalez 2021/04/14 10:38