VoIP Developers For Hire
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Sponsored Freelancers
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abusayed2004 abusayed2004
$40 USD / hour
Asterisk PBX, SIP, Linux, Cloud, DevOps, SecurityBangladeshI am currently seeking long-term remote and onsite job opportunities. With 13 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 customization. I...I am currently seeking long-term remote and onsite job opportunities. With 13 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 customization. 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: - Linux - Hosting Systems Administration & Monitoring - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimization - 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. less
Hire abusayed2004
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AwaisChaudhry AwaisChaudhry
$50 USD / hour
Among Top 100 on Freelancer Search out of 2MillionPakistanZAWN Tech is an IT company based on Certified Programmers providing all kinds of IT solutions since 2014. Our skills are: Blockchain: Metaverse, Web3, NFT, NFT Games, Smart Contract, White Paper, Blockchain (Eth, WAX, Solana, BSC, Polygon), Pancakeswap, Arbitrage Bot, Uniswap, DEX, DAPP, (Frontend,Snipper,Sandwitch...ZAWN Tech is an IT company based on Certified Programmers providing all kinds of IT solutions since 2014. Our skills are: Blockchain: Metaverse, Web3, NFT, NFT Games, Smart Contract, White Paper, Blockchain (Eth, WAX, Solana, BSC, Polygon), Pancakeswap, Arbitrage Bot, Uniswap, DEX, DAPP, (Frontend,Snipper,Sandwitch Bots) Web: Core: HTML, CSS, WordPress, PHP (Magento, Cakephp, Codeigniter, Symfony, Laravel), Javascript (MEAN+MERN), React.js, Angular, node.js, Express.js, Vue.js, D3.js, Three.js, Ruby on Rails, ASP.NET, AJAX, MVC, VB.NET, WPF, CMS, JSON, Docker, Odoo, RESTful API Gobiflow, Podio, Bubble.io, Webflow eCommerce: Woo+BigCommerce, Shopify, Ecwid, Shopware, Prestashop, Joomla, Drupal, Zoho, Odoo, WHMCS, Yii, vTiger, Suite/SugarCRM Desktop: Java, Python, C#/C++Programming, Delphi, Qt++, VB, Golang Design: Photoshop, Illustrator, Figma Game Development: WebGL, Html5, Unity3d, 3d Max, 3d Maya, Unreal Engine 4/25. UE5, Godot Mobile: Android, iPhone, PhoneGap, Ionic, Cordova, React Native, Xamarin, Flutter, AR/VR Calling: Twilio, Nexmo, Voip, Sip, Asterisk, FreePbx, Freeswitch. Trading: Sierra Chart, Pinescript, Thinkorswim, Tradestation, Metatrader, NinjaTrader, Tradingview, Binance, Kucoin, Interactive Broker, Iqoption, Fxtm Apis Computer Vision: Machine Learning, Artificial Intelligence, OpenCV, OCR, Tensorflow, GPT-3, GPT-4, Jetson Nvidia, YOLO, Chatbot, ChatGPT, OpenAI Hardware: Embedded System, Arduino, Matlab, Raspberry Pi, Esp32 less
Hire AwaisChaudhry
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I have been working in core network of BD largest ISP & IIG more than 9 years. I am CCNA and CCNA security certified. So Cisco based network solutions are the most powerful side of me. Beside these, I am expert in configuring and maintaining firewalls, have expertise on network simulation software like GNS3 , Cisco...I have been working in core network of BD largest ISP & IIG more than 9 years. I am CCNA and CCNA security certified. So Cisco based network solutions are the most powerful side of me. Beside these, I am expert in configuring and maintaining firewalls, have expertise on network simulation software like GNS3 , Cisco Packet Tracer, Riverbed Modeler. Core Technical Skills: ================== # Routing Protocol-- Static, OSPF, BGP, EIGRP, RIP. # Design and implement small, medium and large scale enterprise networks. # VLANs, Spanning Tree Protocol (STP), VTP, LACP, HSRP. #L2-MPLS,L3-MPLS # DHCP, GRE, IPSEC. Hands-On Experience: ===================== # Cisco Routers (NCS 5500, ASR 1006, 7606, 7604, 7301, 7206) # Firewall (Sophos, Fortigate) # Cisco Switches(Nexus 2K, Nexus 3K, Nexus 7K, Catalist 2900 series, Catalist 3500 series, 4500 Series, Small Business SF-300) # Juniper Routers (MX 104, ACX 2200) # Mikrotik Router (CCR 1036, CCR 1072, 3011, RB 450) # Other Vendor devices (Netgear, BDcom, Huawei) less
Hire tonoy0167
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We are a small team that specializes in outsourcing and digital marketing, committed to improving the efficiency and effectiveness of your business. While we can't please everyone, we have built a strong reputation in the industry. Our services include data entry, Virtual Assistant, lead mining, email sending, article...We are a small team that specializes in outsourcing and digital marketing, committed to improving the efficiency and effectiveness of your business. While we can't please everyone, we have built a strong reputation in the industry. Our services include data entry, Virtual Assistant, lead mining, email sending, article writing, proofreading/editing, telemarketing, designs, and more. As an experienced BPO professional, I have worked with numerous companies worldwide in areas such as lead generation, sales, customer service/support, data entry/processing, VA, and research. Our company offers a wide range of services, including telemarketing, customer service, graphics design, logo design, branding, technical support, data entry, and more. We were featured on Freelancer a few years ago and have been a Preferred Freelancer here for several years now. If our qualifications match your needs, please consider our small company for your next project. less
Hire jkaranm
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I have my own small business and I provide good solutions with low cost, I placed in Yemen. I work in IT, translating, consulting, ...etc. My TECHNICAL SKILLS: • Excellent experience in Oracle Database Administrations, Oracle ERP R12 Administrations, Oracle ERP Technical Area, Oracle ERP Functional Area and Oracle...I have my own small business and I provide good solutions with low cost, I placed in Yemen. I work in IT, translating, consulting, ...etc. My TECHNICAL SKILLS: • Excellent experience in Oracle Database Administrations, Oracle ERP R12 Administrations, Oracle ERP Technical Area, Oracle ERP Functional Area and Oracle Application Express. • Excellent Experience in Microsoft Technologies such as dot net ...etc. • Good Experience in Web Development. • Good Experience in SMS Gateway Systems • Good Experience in Common Data Center Systems like: Active Directory, Mail Servers, File & Print Servers, Backup, Security, monitoring systems …etc. Don't hesitate to contact me via: Freelancer System Staffed hours are 4pm-9pm- Sunday-Thursday in local time, +3 GMT. less
Hire Nawaf2020th
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Degree Professional (Systems Engineer, Telecommunications Engineer, Cisco CCNP, MBA, ITIL, MCSE, VMWARE, Mikrotik, Siemon, IP Telephony, etc.) with more 20 years experience. Expertise in Networking (Design & Deployment), IT Support, IP Telephony, Routing, Switching, Firewalling, Security, SDWAN, Wireless,...Degree Professional (Systems Engineer, Telecommunications Engineer, Cisco CCNP, MBA, ITIL, MCSE, VMWARE, Mikrotik, Siemon, IP Telephony, etc.) with more 20 years experience. Expertise in Networking (Design & Deployment), IT Support, IP Telephony, Routing, Switching, Firewalling, Security, SDWAN, Wireless, Linux/Unix/Windows Servers Management, and many other IT topics (like PHP, Apache, Nginx, MySQL, Magento, PrestaShop, Wordpress, etc.) I've experience with Google Cloud Services, Digital Ocean, Amazon Web Services, Microsoft Azure. Entrepeuner in a small IT company (IT Business Corp.) with more 15 years in local market. I have expectations of new and challenging projects. Available 7 days a week to attend emergencies and specific technical assistance situations. Technical responsibility and ethical commitment in the fulfillment of the requested services. less
Hire ITBC2019
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LBN Cyber Labs LLP is a leading cloud solutions provider based in Gurgaon, India. We have expertise in Cloud Computing, Container, Kubernetes , Enterprise Communications, DevOps, IaC. We provide professional services for AWS cloud. We help business to deploy application in aws , cloud migration, consultation for...LBN Cyber Labs LLP is a leading cloud solutions provider based in Gurgaon, India. We have expertise in Cloud Computing, Container, Kubernetes , Enterprise Communications, DevOps, IaC. We provide professional services for AWS cloud. We help business to deploy application in aws , cloud migration, consultation for choosing best aws services for requirement, ci/cd pipeline setup. less
Hire antima5
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Welcome to Time2sync, your go-to partner for innovative technology solutions. Our dedicated team of experts excels in a variety of technologies, including ASP.net, C#, Linux servers, MSSQL, MySQL, HTML, PHP, and full-stack development. With a proven track record, we have successfully extended our capabilities to...Welcome to Time2sync, your go-to partner for innovative technology solutions. Our dedicated team of experts excels in a variety of technologies, including ASP.net, C#, Linux servers, MSSQL, MySQL, HTML, PHP, and full-stack development. With a proven track record, we have successfully extended our capabilities to mobile app development for both Apple iOS and Android platforms. Services:⭐ ASP.net and C# Development: Tailored web applications and services to meet your unique requirements. Linux Server Management: Reliable solutions for efficient and secure server environments. MSSQL and MySQL Database Solutions: Database management and optimization for seamless operations. HTML and PHP Web Development: Front-end and back-end expertise for dynamic and user-friendly websites. Full-Stack Development Services: Comprehensive solutions covering the entire development stack. Mobile App Development (iOS and Android): Engaging and user-centric applications for diverse business needs. Why Choose Time2sync: At Time2sync, our commitment to excellence is evident in every project we undertake. Here's why you should choose us: Experienced and Skilled Team Tailored Solutions for Your Business Cutting-edge Technologies Customer-Centric Approach Proven Track Record of Success As a company, we have developers, UI/UX designers, and a marketing and seo team ready to serve you efficiently and in higher speed than you can ever imagine. Book us now ! less
Hire Time2Sync
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Area of Expertise 1. IP Telephony H323 and SIP, MGCP protocols ,Device pool, Partitions / CSS, SRST Fall Back, Digit manipulation, Call Hunting, Device mobility, Unified mobility, Extension mobility. Working on Cisco IP phones 7940, 7960,7975,8961,9951, 9971, dx650, Cisco Cius. Voice messaging, Unified Messaging,...Area of Expertise 1. IP Telephony H323 and SIP, MGCP protocols ,Device pool, Partitions / CSS, SRST Fall Back, Digit manipulation, Call Hunting, Device mobility, Unified mobility, Extension mobility. Working on Cisco IP phones 7940, 7960,7975,8961,9951, 9971, dx650, Cisco Cius. Voice messaging, Unified Messaging, Auto Attendant, CUPS, Cisco Jabber, Cisco VCS Control and Expressway, WebEx, CCX Agents, Cisco UCS B and C Series Servers, VSphere 5.X. 2. Routing OSPF- Single Area. Multi-Area. Virtual Link. Authentication. Redistribution. Summarization, EIGRP, RIP, Working on Cisco, 2800, 2900 and 3800 series routers. less
Hire Waqaschudhry
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Thank you for taking your valuable time! My objective is to serve you better than ever with my maximum devotion. I love helping my customers, and so proudly do my business in delight until your needs are meet by satisfaction. During working as a software developer for 12+ years, I've gained a vast experience and...Thank you for taking your valuable time! My objective is to serve you better than ever with my maximum devotion. I love helping my customers, and so proudly do my business in delight until your needs are meet by satisfaction. During working as a software developer for 12+ years, I've gained a vast experience and skills in software engineering field. So no worry about software development from A to Z. In a word, I'm an expert problem solver. No matter what the bug you have, what the solution you are looking for. Up to today, I've successfully developed/solved so many projects and problems / bugs with various technologies, tools and languages. My expertise allows me to build robust, clean, stable and reusable components/modules in any programming language scopes but it doesn't allow me to write dirty codes. These are my main skills. -React.js / Next.js, Vue.js, Angular.js, CodeIgniter, Laravel, Django, Symfony, Magento, RoR -Node.js, Express.js, Koa.js, Nest.js -Javascript/Typescript, jQueryHTML, CSS, CSS3, LESS, SASS, TailwindCSS -C/C++, C#, .Net, Go, Java, Python, Solidity -Matierial-UI, Antd-UI, Kendo-UI, Chakra-UI, Bootstrap -MySQL/Oracle/Postgre, MongoDB, DynamoDB, MSSQL, SQLITE -Git, Jira, Bitbucket, Trello, Figma, PSD, XD -AWS, DigitalOcean, Firebase, SendGrid, Twillo, Google could API, Ubuntu -WordPress, Shopify, Bubble Attentiveness, responsibility, technical thinking, poise, concentration, a high degree of self-organization, discipline, focus on achieving results. I always keep in mind that I grow with my customers. Let us make things better. Happy working! less
Hire atverdokhlib
