Technical Support & VoIP Specialist Available in Saudi Arabia Technical Support professional with 5 + years of experience in Technical Support, VoIP, IP Telephony, and Customer Experience Solutions. Key expertise Technical Support & Customer Support VoIP, SIP, RTP & SIP Trunks PBX/ FreePBX & IP Telephony SIP Logs & Wireshark troubleshooting IVR, Call Flows, Queues & Extensions CRM & Ticketing S