Crystal Business Center is located in the central part of Sofia, on the corner of "Osogovo" street. and "Todor Aleksandrov...
Crystal Business Center
ул. "Осогово" 40, Sofia, Bulgaria, 1303
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Practical SIP Telephony
21 HoursSIP protocol in VoIP
21 HoursVoIP with Cisco CallManager Express
35 HoursPractical Voice and Video over IP
21 HoursLast Updated:
Testimonials (3)
Professionalism on the part of the instructor and his commitment to transferring knowledge,
Tomasz - WB Electronics S.A.
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Ease and ease of conducting training.
Jarosław - Politechnika Wrocławska
Course - SIP protocol in VoIP
Machine Translated
His huge amount of knowledge.
Mirela Ochia - Deutsche Telekom Pan-Net Romania S.R.L.
Course - Practical SIP Telephony
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