All Services Engineering & Architecture VoIP Engineer $100/hr · Starting at $30 Management of VoIP Services, Class 4 and 5 switches. Vast experience in Sip Trunking , sip peering SipWise, MGC. MGW MVTS Freepbx, A2billing About $100/hr · Ongoing Download Resume Management of VoIP Services, Class 4 and 5 switches. Vast experience in Sip Trunking , sip peering SipWise, MGC. MGW MVTS Freepbx, A2billing Skills & Expertise A2BillingAvayaCisco VoIPEngineeringFreepbxMikroTikVoIP 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts VoIP ServicesCisco VoIP ServicesA2Billing ExpertsEngineers