İşe Alınmak Üzere VoIP Developers
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engkarimismail engkarimismail
50$ USD / saat
✅ Senior Network & System Engineer | Security|VOIPMalaysia✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in...✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in firewalls, scripting, containerization, and database management. Additionally, I specialize in mail servers, backup systems, and cloud technologies. With advanced networking skills, including Cisco routing, VLAN management, VoIP/IP telephony, and penetration testing, I am well-equipped to handle complex IT infrastructures. I am dedicated to delivering reliable solutions, ensuring data integrity, and enhancing system performance. ✅Send me now 24/7 Availability Unlimited Revisions Fast Response ✅ Server Operating Systems Windows Server (2003 to 2024) | Ubuntu | CentOS | Debian | RHEL ✅ Directory Services Active Directory | OpenLDAP ✅ DNS and DHCP Windows Server DNS | DHCP | Linux DNS | DHCP ✅ Virtualization Microsoft Hyper-V | VMware ESXi | vCenter | Proxmox VE ✅ File Servers IIS FTP | proftpd | FileZilla | FTP Server | Samba ✅ Web Servers Apache | NGINX | Microsoft IIS ✅ Scripting and Automation PowerShell scripting | Bash scripting ✅ Containers Docker | Windows Subsystem for Linux (WSL) ✅ Backup Systems Veeam Backup | Iperius Backup | UrBackup ✅ Mail Servers Mailcow | Microsoft Exchange (2000–2019) | MailWizz | Postfix | EXIM ✅ Database Servers MySQL | PostgreSQL | MariaDB ✅ Firewalls and Security MikroTik | PFSense | Cisco Firewalls ✅ Networking Skills Cisco Routing and Switching | VLANS | OSPF | VoIP and IP Telephony | Network Penetration Testing Access Control Lists (ACLs) Security (MITM Attack Mitigation) ✅ Recovery Services Password recovery for accounts and routers | Disaster recovery planning ✅ VOIP Service Freepbx | freeswitch | CME | IP TELEPHONY | 3CX SYSTEMS ✅ Cloud Service AWS, DigitalOcean, Hetzner, Azure, Google Cloud Platform, IBM Cloud, Oracle Cloud, Alibaba Cloud, Contabo, Seva daha az
engkarimismail
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farooqtahir2013 farooqtahir2013
50$ USD / saat
✅ Network|System|VoIP|Cloud|DevOps|Security ExpertPakistanI am Network, Cybersecutiy, VoIP and System Engineer with over 10 years of professional experience. I have a demonstrated history of working in the field information technology and services industry. I have worked with both small and enterprise-sized companies to plan, design and implement the Network...I am Network, Cybersecutiy, VoIP and System Engineer with over 10 years of professional experience. I have a demonstrated history of working in the field information technology and services industry. I have worked with both small and enterprise-sized companies to plan, design and implement the Network infrastructure. I have worked with a wide verity of vendors such as Cisco, VMware, IBM, Mikrotik, Ubiquiti, Lenovo, Fortinet, Palo Alto, Checkpoint, Pfsense and Microsoft etc. I make sure to design and recommend things based on best practices. I possess the following expertise: ✅Network administration (Routing, Switching, VPNs). ✅VOIP (FreePBX, 3CX, Vodia, Asterisk and Cisco CUCM,CME ). ✅Wireless (Cisco, Ubiquiti, Aerohive, TPlink, Mikrotik). ✅Security (Cisco ASA, Fortinet , Palo Alto, Checkpoint, Sonicwall, PFsense, opnsense). ✅Virtualization (VMware, Microsoft HyperV, Proxmox). ✅System administration (Microsoft and Linux servers.) ✅Cloud computing, dedicated servers and VPS (OVH, Google, AWS, Digital ocean etc) Looking forward to working with you. Why Choose Me? ✅24 hours availability ✅Quick response ✅100% Project Delivery daha az
farooqtahir2013
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abusayed2004 abusayed2004
50$ USD / saat
Ai Voice Agent, Asterisk PBX, SIP, Linux, SecurityBangladeshI am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I...I am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Ai Voice Agent build and operations multi tenant platform. - Linux - Hosting Systems Administration & Monitoring - Kubernaties, IoT tech stack - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimisation - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP, IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information. daha az
abusayed2004
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DevOps & Cloud Engineer | Security & Python Expert. 15+ yrs in IT infra delivering ERP deployments, CI/CD, Kubernetes, Terraform & multi-cloud automation (AWS, Azure, GCP). Secure, scalable, proven. I’ve delivered for clients in the US, Germany, UK, and the Gulf across FinTech, Media, Education, and Healthcare. What...DevOps & Cloud Engineer | Security & Python Expert. 15+ yrs in IT infra delivering ERP deployments, CI/CD, Kubernetes, Terraform & multi-cloud automation (AWS, Azure, GCP). Secure, scalable, proven. I’ve delivered for clients in the US, Germany, UK, and the Gulf across FinTech, Media, Education, and Healthcare. What I do best: - Build CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI) - Deploy Kubernetes, Docker, Terraform on AWS/Azure/GCP - Secure networks & firewalls (F5, FortiGate, Palo Alto) - Cloud Security & compliance (IAM, VPN, Firewalls, Monitoring) - Python automation for infrastructure & workflows Why hire me: 🎯 15+ years in Infrastructure, DevOps & Security 💼 Full-time availability, fast response, clear documentation 🎓 MBA in E-Business → I align IT with business needs Let’s make your systems faster, safer, and smarter. Message me to start. daha az
sedawy
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Rashid Tech Solutions is a systems-focused engineering and development practice with over 5 years of hands-on experience delivering reliable, production-ready solutions across software, cloud, automation, and embedded systems. We specialize in projects where multiple technologies must work together seamlessly —...Rashid Tech Solutions is a systems-focused engineering and development practice with over 5 years of hands-on experience delivering reliable, production-ready solutions across software, cloud, automation, and embedded systems. We specialize in projects where multiple technologies must work together seamlessly — software with hardware, cloud with automation, and logic with real-world operational constraints. Our work is driven by solid architecture, clean implementation, and solutions designed for long-term use, stability, and growth. 🔧 Core Capabilities Systems & Full-Stack Development End-to-end design and development of web platforms, backend services, APIs, dashboards, and mobile applications, built for scalability, security, and maintainability. Cloud, DevOps & Infrastructure Architecture and operations across AWS, Azure, and Google Cloud, including CI/CD pipelines, deployments, monitoring, performance optimization, and production hardening. Automation & Integrations Custom automation, workflow optimization, system integrations, bots, and backend processes to reduce manual work and improve operational reliability. Embedded Systems & Industrial Automation Development and integration of embedded systems, IoT devices, electronics, PCBs, PLCs, SCADA, and hardware–software interfaces for industrial and automation use cases. AI & Data-Driven Features Practical AI and machine-learning integrations such as computer vision, OCR, analytics, and intelligent system enhancements — applied where they deliver real, measurable value. Specialized & Custom Solutions Blockchain systems, trading tools, telephony platforms, and other domain-specific solutions when projects require deeper technical customization. 👥 Team & Delivery Model For larger or time-critical projects, I work with a small, trusted technical team, while personally managing and reviewing all work. This ensures clear communication, consistent quality, and a single point of accountability for the client. 🤝 Post-Delivery Support Delivery does not end at handover. We provide clear documentation, support, fixes, and ongoing assistance when required, ensuring systems remain stable, understandable, and easy to maintain over time. Our approach is reflected in consistent positive feedback from previous clients, who value technical ownership, clear communication, and dependable delivery. If you’re looking for a technical partner who thinks long-term and takes responsibility beyond launch, Rashid Tech Solutions is ready to support your project. daha az
rashidamjad
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I have 8 years of Experience as a System Administrator and expert in Linux, Asterisk, vicidial and openvpn.I have 8 years of Experience as a System Administrator and expert in Linux, Asterisk, vicidial and openvpn. daha az
ameer89898
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I am an expert network and security administrator and I have 10 year’s practical working and teaching experience in network and security also i am en expert in data entry jobs and excel Microsoft office. I am a CCNA instructor and I have CCNA, RHCE, RHCSA certifications. I have expertise in CISCO routing and...I am an expert network and security administrator and I have 10 year’s practical working and teaching experience in network and security also i am en expert in data entry jobs and excel Microsoft office. I am a CCNA instructor and I have CCNA, RHCE, RHCSA certifications. I have expertise in CISCO routing and switching, firewall, IPS, ISE, voice and wireless solution from my 10 years’ practical experience. I have also fluency in English and Hindi speaking. I am Expert in GNS3 and Packet Tracer. ===================================================================================== Technical Skills: Good understanding and knowledge of TCP/IP, OSI Layer. L3 technologies: RIP, EIGRP and OSPF and BGP in CISCO 800, 1900, 2900, 2800, 2800, ISR 4300, 4100, ASR 1000 series. L2 technologies: VLAN, VTP, STP, Trunking, HSRP, VRRP, SPAN, RSPAN, DHCP Snooping, Dynamic ARP Inspection, ARP ACL etc in 2900 series and L3 switches. NXOS and ACI: Configure and install CISCO nexus 9k and CISCO ACI solution like Bridge Domain, VRF, end point group tenant etc. Cisco ASA and Next Generation Firewall: ACL, NAT, Transparent Mode, Multiple context and Failover (Active/Active, Active/Standby) Site-to-Site VPN, Remote Access VPN and SSL VPN. Cisco Firepower IPS and Firepower Management Center (FMC): ACL, NAT, Intrusion policy, AVC, Malware & File Policy, Site-to-Site VPN, Remote Access VPN and SSL VPN etc. F5 Load Balancer and ASM: Installation and configure F5 BIG-IP Local Traffic Manager (LTM) load balancer and Application security manager. CISCO CUCM: Install and configure Cisco Unified Communication Manager 9.0 and 12.4. Mikrotik Router: OSPF, BGP, NAT, DHCP, L2TP, IPSEC, PPP, Firewall etc CISCO WEB and Email Security Appliance: Install and configure CISCO ESA and WSA So you are requested to first discuss the project and requirements and after being satisfied please awarded me with the work. And definitely work will be delivered in time and in best quality. Thanking You Kazi daha az
rifat0103
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We're having a multi-year experience in Custom Software and Mobile Application development and Dedicate Support and Maintenance of the Portals. ⭐⭐⭐⭐⭐ Reviews, ⭕ Highly Skilled Team. ⭕ 14+ Years Experience in Web Development. ⭕ 1100+ Projects Completed Till Now And Keep Counting. ⭕ 99% Satisfied Customers And Keep...We're having a multi-year experience in Custom Software and Mobile Application development and Dedicate Support and Maintenance of the Portals. ⭐⭐⭐⭐⭐ Reviews, ⭕ Highly Skilled Team. ⭕ 14+ Years Experience in Web Development. ⭕ 1100+ Projects Completed Till Now And Keep Counting. ⭕ 99% Satisfied Customers And Keep Increasing. ⭕ 24x7- Dedicate Team for Support and Maintenance. ✔ SPECIALITIES - PHP - CodeIgniter - Laravel - Wordpress - Rise CRM - Node.Js - AWS - Woocommerce - Opencart - Prestashop - Shopify - Magento - Yii - Twilio - VOIP - SuiteCRM - Moodle - Azure Server API - Perfex CRM ✔ OUR EXPERTISE IN AREA ERP ◆ CRM ◆ CMS ◆ Twilio ◆ VOIP ◆ Courier & Logistics ◆ Warehousing ◆ E-Commerce ◆ Static / Dynamic Web Responsive Web Development ◆ Hybrid APP ◆ Payment Gateway Integration ◆ SuiteCRM ◆ Moodle ◆ Azure Server API ◆ Perfex CRM ◆ AWS ◆ daha az
mascotindia123
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I specialize in outsourcing and digital marketing and am committed to improving your business's efficiency and effectiveness. While I can't please everyone, I have built a strong reputation in the industry. My services include data entry, Virtual Assistant, lead mining, email sending, article writing,...I specialize in outsourcing and digital marketing and am committed to improving your business's efficiency and effectiveness. While I can't please everyone, I have built a strong reputation in the industry. My services include data entry, Virtual Assistant, lead mining, email sending, article writing, proofreading/editing, telemarketing, designs, and more. As an experienced BPO professional (though my team and I cannot please everyone), I (and my team) have worked with numerous companies worldwide in areas such as lead generation, sales, customer service/support, data entry/processing, VA, and research. I offer many services, including telemarketing, customer service, graphics design, logo design, branding, technical support, data entry, and more. I was featured on Freelancer a few years ago (together with my small team) and have been a Preferred Freelancer here for several years. If my qualifications match your needs, please consider our small company for your next project. daha az
jkaranm
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At Core Techies, we don’t just build products; we create intelligent, AI-powered platforms that redefine industries. Whether you’re building your first AI-driven MVP or scaling your platform to the next level, we turn your ideas into reality faster, smarter, and more powerfully. With over 12 years of experience on...At Core Techies, we don’t just build products; we create intelligent, AI-powered platforms that redefine industries. Whether you’re building your first AI-driven MVP or scaling your platform to the next level, we turn your ideas into reality faster, smarter, and more powerfully. With over 12 years of experience on Freelancer.com, we bring AI-first execution to every project. Our deep technical expertise combined with agility ensures your solution isn’t just great — it’s built to perform. We don’t just solve problems; we create solutions that drive efficiency, innovation, and success. Our Expertise: ✅ AI Development ⚡Integrate GPT-4, Claude, and Gemini for advanced AI models ⚡Build AI chatbots, voice bots, and video bots for sales, support, and operations ⚡Use Generative AI (Text, Image, Audio) to automate content creation and enhance workflows ⚡Deliver AI-powered MVPs in under 30 days — scalable and robust ✅ AI Automation ⚡Automate workflows across HR, finance, and customer service ⚡ Build real-time AI-powered automation that scales with your business ⚡Maximize productivity with AI-driven tools for process optimization ✅ AI Agents ⚡Deploy custom AI agents for 24/7 customer engagement ⚡Build voice bots and video bots that provide human-like interactions ⚡Integrate AI assistants to optimize workflow and boost productivity ✅ Tools We Use ⚡We leverage cutting-edge tools to bring your AI solutions to life: ⚡GPT-4, Claude, and Gemini for natural language processing ⚡TensorFlow, PyTorch for deep learning models ⚡Dialogflow, Rasa, and BotPress for AI chatbots ⚡OpenAI API for text, image, and video AI interactions ⚡AWS, Google Cloud for scalable infrastructure ⚡Zapier, Integromat, n8n, and Make for AI-powered automation ⚡VAPI, Trellio, and Docker for API management and workflow optimization ✅ Why Choose Us? ⚡ Fast Delivery ⚡MVPs in weeks, not months. Start driving growth immediately. ✅ AI-First Mindset ⚡We embed intelligence into every solution, ensuring long-term scalability. ✅ Trusted Security ⚡Proven by global teams, including defense-grade clients. Your solution is secure and reliable. ✅ Continuous Growth ⚡Our ongoing support, iteration, and optimization ensure your product scales with your business. Ready to revolutionize your future with AI? Whether you need an AI co-pilot or a full-stack AI partner, we’re here to bring your vision to life. Let’s launch your AI-powered product today — faster, smarter, and more intelligently than ever. daha az
C0RETECHIES
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