I provide online consultancy in specific cases. My areas of expertise are Networks, Network Security (Cisco CCNP/CCDP/CCSP), Voice over IP, Asterisk (dCAP), OpenSIPS(founding member), Linux, Windows (MCSE), development and startup development. I can’t allocate long term hours or a large number of hours per month.


  • Email:
  • Skype: flaviogoncalves1
  • Whatsapp: 55 48 84085000

Online consultancy

  • Hourly rate: USD 110.00
  • Minimum hours 1.00, increment 1.00
  • 1 hour payment in advance on agreement

On site consultancy

  • Daily rate: USD 880.00 (8 hours in the day, extra 110 per hour up to 12 hours/day)
  • Minimum: 1 Day
  • Travel Expenses: By the customer
  • 1 day payment in advance on agreement

Online Training Live Webconference

  • Hourly rate: USD 200.00 per hour¬†(Stock training)
  • Hourly rate: USD 300.00 per hour (Customized training)
  • 1 hour training in advance on reservation

Onsite Training

  • Daily rate (Stock training): 2000 per day
  • Daily rate (Customized training): 3000 per day
  • 1 day payment in advance on reservation


Internet Telephony Service Provider (On premises and Cloud)

  • SipPulse (Please consult)

Multitenant PBX with WebRTC and Mobile Clients (On Premises and Cloud)

  • SipPulse (Please Consult)

Session Border Controllers (On Premises and Cloud)

  • SipPulse (Please Consult)

Custom VoIP/SIP Project

  • Consult