Certified VoIP course, training video – Time Conditions in CompletePBX 5 Virtual PBX.

You can find the complete training course and free certification at Xorcom website. Complete online VoIP certification for free  – virtual PBX training.
Download and install free virtual PBX software to complete the course.

Xorcom software PBX / PABX and appliances for hotels, enterprise, schools, call centers, free for download. Asterisk-based VoIP PBX.