Hire the Best FreePBX Specialists
Bangkok, Thailand
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
- Computer Network
- Computing & Networking
- Cloud Computing
- VoIP
- VoIP Administration
- Session Initiation Protocol
- Microsoft Teams
- Microsoft Team Foundation Server
- IT Support
- Web Server
- Windows Server
- Linux System Administration
- VMware Administration
- AWS Systems Manager
- Microsoft Azure Administration
Lahore, Pakistan
I am a VoIP and network security expert with over 7 years of hands-on experience delivering custom communication solutions for businesses worldwide. I specialize in deploying and supporting VoIP systems such as Avaya, Asterisk, 3CX, Mitel, FreePBX, FusionPBX and Kamailio, with deep expertise in SIP routing, SIP trunking, and cloud telephony. I’ve worked with major providers including Twilio, Voip.ms, Telnyx, and Voxtelesys, and offer reliable integration and troubleshooting services. I also have a strong background in VPNs, firewalls, and secure networking — including Fortinet, pfSense, OPNsense, WireGuard, OpenVPN, and IPSec setups — especially for remote access and restricted regions. Additionally, I offer AI Voice Assistant setup and integration with VoIP systems, as well as AI chatbots for websites and WhatsApp Business automation. My clients benefit from project-based deployment, long-term support, and a live lab environment where I demo solutions in real time before final delivery and deliver reliable, well-tested solutions designed around your business needs. Let’s work together to secure and optimize your communications systems.
- FreePBX
- Avaya
- Asterisk
- 3CX
- PBX
- Call Center Software
- PfSense
- Firewall
- FortiGate Firewall
- OpenWrt
GAZELL, Tunisia
Specialties: SMS,SMS Gateways,Kannel,Jasmin,Bulk SMS Software,SMS Lead Generation Software, Fortumo, Twilio, Plivo,Clickatell, SMPP 3.4 , HTTP REST API,AT Commands, GSM Modules,telecommunication,VOIP,SIP,IVR. Languages: English(Fluent), French(Fluent), Arabic (Fluent) Programming Skills: PHP 5&7, PL/SQL, shell Scripting, Perl Scripting, Java, Oracle/Mysql,Oracle Forms, Oracle Reports, Solaris/Linux Unix, Application Servers, Web services, advanced XML technologies, SOA patterns.
- JavaScript
- Java
- MySQL
- C#
- PHP
- Microsoft Excel
- Oracle WebLogic Server
- SMS Gateway
- XML
- CentOS
- Apache Tomcat
- J2EE
- SQL
Heredia, Costa Rica
I specialize in VoIP solutions with a focus on RingCentral (EX & CX) and Zoom (Phone & CC) project implementation and ongoing support. As a subject matter expert in the field, I work with businesses of all sizes to streamline communication systems, resolve complex technical challenges, and deliver seamless transitions to cloud-based telephony. Here's what you can expect when working with me: Deep Roots in VoIP: I'm not just certified; I'm passionate about what I do. With experience in RingCentral, Avaya, Zoom and Vonage, I'm well-versed in the intricacies of these platforms both in its UCaaS and CCaaS versions. Your Time Matters: I understand that every second counts in your business. That's why you can rely on me for prompt responses and effective solutions. Who I Serve: From small startups to large enterprises, I've had the privilege of assisting businesses of all sizes. My expertise spans various industries, including law firms, universities, fitness, and finance, to name a few. Here is a list of the most common tasks I perform within a VoIP platform: Call queues / Auto Attendant - IVR Call Forwarding / Call Routing Voicemail Setup / Custom Answering Rules Porting / User setup / Limited extensions SMS Automation** (10DLC) Multi Site Call logging expert / Audit trail Announcement / Audio greetings - Voice over Desk Phone Provisioning I'm here, ready to be your partner in enhancing your communication systems. Reach out to me here on Upwork and let's start a conversation, looking forward to understanding your unique needs and finding the perfect solution for you!
- Call Center Management
- Business with 100-999 Employees
- Phone Support
- VoIP PBX
- System Administration
- System Configuration
- VoIP
- Telecommunications Engineering
- IVR Software
- Telephone System
- RingCentral Glip
- Avaya
- VoIP Software
- VoIP Administration
- Technical Support
- PBX
Karachi, Pakistan
Network & VPN Engineer with hands-on experience in VPN deployment, network monitoring solutions, infrastructure support, and troubleshooting. Skilled in OpenVPN, CloudConnexa, Fortinet, MikroTik, Zabbix, SolarWinds, and Cacti. I help businesses with: OpenVPN & CloudConnexa setup Remote access and site-to-site VPNs Zabbix, SolarWinds & Cacti deployment Network monitoring and alerting Firewall and routing troubleshooting Server and network infrastructure support Secure remote connectivity solutions Focused on delivering reliable, secure, and practical solutions with clear communication and quick support for clients worldwide.
- Network Administration
- Network Engineering
- VPN
- OpenVPN
- Fortinet
- MikroTik
- PfSense
- Firewall
- Zabbix
- SolarWinds VoIP & Network Quality Manager
- Cacti
- Network Monitoring
- Windows Server
- Linux
- TCP/IP
- Routing
- Technical Support
- IT Infrastructure
Ho Chi Minh City, Vietnam
- 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.
- Node.js
- HTML
- JSON
- Python
- Perl
- PHP
- SQL
- HTML5
- NoSQL Database
- SOAP
- SQL Programming
- phpBB
- Linux System Administration
- PostgreSQL Programming
- MySQL Programming
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At A Glance: FreePBX
FreePBX is one of the top choices for the technical communication niche as well as for businesses of every kind, serving as a high-quality graphical user interface (GUI). As an open-source, web-based interface, FreePBX allows you to interact with programs and devices of every kind, and is a crucial structure in many of the top-level systems available today. The ability to manage, maintain, and interact with this interface requires extensive skill, practice, and fluency in computer science. Hiring a professional team can be a costly drain on resources, and perhaps you cannot spare the time from your other taxing duties to take advantage of its benefits yourself. The FreePBX specialists on Upwork are here to offer the solution, delivering work that is precise, focused, and perfectly tailored to your unique business needs.
The freelancers on Upwork possess the ability to manage projects independently or in collaboration, allowing you to meet unique deadlines and manage on a specific budget. Their fluency in the online workplace makes them ideal for any project in any location, as they can work remotely with excellent communication skills to see each project through to fruition. Their diverse backgrounds also make them an ideal choice, as their array of educational levels, experience, and practice allows them to offer unique perspectives, address unusual issues, and offer custom results unparalleled anywhere else. You can browse through the vast choices of professionals on Upwork and find an expert with the work ethic, credentials, and experience you need.
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