Hi!
I have over 20 years experience in Telecom, more than 200 successful projects in VOIP.
My excellent knowledge validated tests for Upwork and certificates.
I have excellent feedback from customers.
VoIP - Asterisk, 3CX, Elastix, FreePBX, FreeSWITCH and FusionPBX - my main job.
Hire me please for this job.
I'm ready for your work!