Hire the Best SIP Specialists

Helped businesses deploy Microsoft Teams Phone, Genesys Cloud CX, SIP Trunks, and AudioCodes SBC solutions, reducing telephony issues and improving call reliability for contact centers and enterprise environments. Specialized in Microsoft Teams Phone, Genesys Cloud CX, SIP Trunking, and AudioCodes SBC with experience delivering cloud voice and contact center solutions for SMB and enterprise customers. 🔹 Microsoft Teams & Voice Solutions ✔️ Microsoft Teams Direct Routing ✔️ Operator Connect & Calling Plans ✔️ Auto Attendants & Call Queues ✔️ PSTN Integration & SBC Configuration ✔️ Multi-provider SIP failover routing 🔹 VoIP & Contact Center Expertise ✔️ SIP, E1, PRI integrations ✔️ AudioCodes SBC configuration & troubleshooting ✔️ Genesys Cloud CX (BYOCC, SIP Trunks, Routing) ✔️ Call recording & voice security ✔️ VoIP troubleshooting (RTP, TLS, SRTP, QoS) 🔹 Cloud & Infrastructure ✔️ AWS & Azure deployments ✔️ Hybrid cloud architecture ✔️ VPNs, Firewalls, Load Balancers ✔️ DNS, SPF, DKIM, DMARC & Email deliverability ✔️ High-availability & secure network design

👋 Hi, I’m Oleksii - a Twilio expert with over 7 years of hands-on experience building scalable, real-time communication systems using the full Twilio stack: 📞 Programmable Voice / SMS, 🧠 TaskRouter & Flex, 🎛️ Studio, Functions, Conversations, Sync, Webhooks and more. I’ve successfully completed 120+ Twilio projects on Upwork, including: • Eliminating latency issues in phone calls 🔧 • Creating SMS marketing automation pipelines 📲 • Developing full-scale Flex dashboards with custom workflows 🧩 Clients describe me as: “Very skilled, excellent communicator, smart guy and a pleasure to deal with.” “Oleksii was very helpful and available :) We no longer have problems with latency during our phone calls.” 🛠 Whether you need help with: • Twilio Studio call flows • Complex webhook-based automation • TwiML, IVR, call forwarding setups • Integrating Twilio with CRMs or internal systems • Building voice/SMS logic in Node.js, Laravel, or Firebase environments …I’ve got you covered. Let’s bring your Twilio-powered solution to life 🚀 Feel free to invite me to your job or message me with questions.

- UTILIZING AI TECHNOLOGIES FOR THE DEVELOPMENT, TESTING, OPTIMIZATION, AND INTEGRATION OF PRE-EXISTING VOIP SYSTEMS WITH EXTERNAL SERVICES AND PLATFORMS. - I have more than 16 years to work as system administrator, deploy server, maintenance system base on: asterisk, voip, avaya, freeswitch, kamailio, opensip..... - Developed many VOIP solutions, system for customer over the world as: voicemail system, conference systems, IVR systems, calling card system. - Django developer: Develop e-commercial sites, CMS sites, API systems and more - AngularJS developer, one page applications. - etc.

✅ Overview I’m a VoIP Administrator with over 10 years of experience managing and optimizing phone systems for businesses of all sizes. I specialize in RingCentral, Dialpad, 8x8, Google Voice, GoTo, and other VoIP platforms — helping companies streamline communication, improve call quality, and ensure reliable call routing. From IVR setup and number porting to call queue management and CRM integration, I deliver solutions that keep phone systems running smoothly for both staff and customers. 💼 Services I Provide Phone System Setup & Administration - RingCentral, Dialpad, 8x8, Google Voice, GoTo, Nice inContact, Grandstream, RingCX IVR (Auto-Attendant) Design & Implementation - Custom menus, business/after-hours routing, multilingual prompts Call Queue & Routing Optimization - Overflow handling, priority routing, and fallback options Number Porting & Account Migration - Hassle-free transfer of business numbers across platforms User Onboarding & Training - Account creation, extension assignments, and permissions Troubleshooting & Support - Call quality issues, dropped calls, one-way audio, faxing problems Compliance Setup - SMS/TCR registration & HIPAA-compliant call handling CRM & Third-Party Integrations - Salesforce, Zapier, Podium, Beetexting 📊 Sample Projects 🔹 Healthcare Practice – RingCentral IVR & Call Queue Built a multi-level IVR for scheduling, billing, and nurse line. Added after-hours routing with voicemail to HIPAA-compliant inbox. Reduced missed calls by 40% within the first month. 🔹 Multi-Location Business – Dialpad Migration Migrated 50+ users fromDialpad to RingCentral. Configured shared call queues and AI-powered call transcription. Delivered staff training and SOP documentation. 🔹 SMS Compliance for Retail Client Completed 10DLC campaign registration for SMS. Updated client website to meet carrier requirements. Enabled mass texting via Beetexting integrated with RingCentral. 🛠️ Tools & Platforms VoIP Systems: RingCentral | Dialpad | 8x8 | Google Voice | GoTo | Nice inContact | RingCX Integrations: Salesforce | Zapier | Zendeskl Collaboration: Microsoft Teams | Google Workspace 📌 Why Clients Hire Me ✔ 10+ years of proven VoIP expertise ✔ Fast, reliable setup & troubleshooting ✔ Clear documentation & training for staff ✔ Track record of reducing missed calls and improving customer experience 📞 Let’s Work Together If you need a VoIP expert to set up, optimize, or troubleshoot your phone system, let’s connect. I’ll ensure your communications are seamless, reliable, and built to support your business growth.

Senior VoIP Engineer with deep expertise in FreeSWITCH, Asterisk, Kamailio, OpenSER, Anynode SBC, and AudioCodes. Skilled in designing, implementing, and integrating Voice AI Agent solutions within telephony systems, leveraging platforms such as VAPI, LiveKit, and Pipetcat to enable intelligent, real-time voice interactions.

I help businesses build, optimize, and manage enterprise-grade contact center solutions using RingCentral and NICE CXone. With 8,000+ hours worked and $100K+ earned on Upwork, I specialize in designing reliable IVR systems, intelligent call flows, routing logic, and customer support automation for both small businesses and large enterprises. What I Can Help You With: ✔ RingCentral UCaaS & CCaaS setup and administration ✔ NICE CXone / InContact development and support ✔ IVR and call flow design ✔ Studio scripting and automation ✔ Omnichannel customer support solutions ✔ API integrations and workflow automation ✔ Technical troubleshooting and platform support ✔ Contact center optimization and reporting ✔ Post-implementation support, maintenance, and system optimization Why Clients Work With Me: ✔ Certified and experienced contact center engineer ✔ Strong communication and project ownership ✔ Fast problem-solving and reliable delivery ✔ Able to manage projects from planning to deployment ✔ Ongoing support available after implementation I focus on building scalable, user-friendly customer experience solutions that improve efficiency and customer satisfaction. Let’s discuss how I can help your business.