VoIP Developers For Hire
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Sponsored Freelancers
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opencollar opencollar
$40 USD / hour
✓ Highly Recommended. Top Rated US Based CompanyUnited StatesOUR TEAM STRUCTURE Business Developers, Project Analysts, Project Managers, Designers, Developers, Quality Assurance, Server Experts, Blockchain Experts, AI Experts. Skills: Web development, Android / IOS Mobile apps, Payment integration, MySQL, PHP, Shopping cart, Twilio API, Artificial Intelligence, GPT, Laravel,...OUR TEAM STRUCTURE Business Developers, Project Analysts, Project Managers, Designers, Developers, Quality Assurance, Server Experts, Blockchain Experts, AI Experts. Skills: Web development, Android / IOS Mobile apps, Payment integration, MySQL, PHP, Shopping cart, Twilio API, Artificial Intelligence, GPT, Laravel, Graphics design, AWS, WordPress, Python, E-commerce, Software Design, Blockchain, Smart Contracts, ERC20 Tokens, NFTs, Cryptocurrency, Node.js, Angular.js, React, MongoDB. Services: ✓ UI/UX Development ✓ Mobile Applications ✓ Web Applications ✓ E-Commerce Platforms ✓ Booking Systems ✓ Twilio Integration ✓ App Deployment and Launch ✓ SEO ✓ Quality Testing ✓ AI Integration WHY HIRE US: ✓ Among the Top 3% of Freelancers ✓ 11 Years of Experience ✓ Professional and Polite ✓ Team of 27 Experts and Engineers ✓ Amazing Communication ✓ Quality Work within Budget ✓ Free Fixes after the project delivery ✓ Long-term partnership and support ✓ Clean, Documented Code ✓ Regular Updates WHAT KIND OF APPLICATIONS WE MAKE: - Bespoke Web Applications - Android / IOS Mobile Apps - Responsive Websites - Online Platforms - E-Commerce Multivendor - Business Management Software - CRM - ERP Systems - Booking Systems - AI based less
Hire opencollar
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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 less
Hire rifat0103
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A Sr. Devops engineer with 14 years experience. Having Bachelor Degree in Computer Science. Expert in Linux administration, Windows server Administration, CICD, Jenkins, Gitlab, Github, bitbucket, AWS, GCP, Azure, STC Cloud, Cloud computing, Virtualization, VPN, Firewalls administration, ProxySQL, MsSQL, MySQL,...A Sr. Devops engineer with 14 years experience. Having Bachelor Degree in Computer Science. Expert in Linux administration, Windows server Administration, CICD, Jenkins, Gitlab, Github, bitbucket, AWS, GCP, Azure, STC Cloud, Cloud computing, Virtualization, VPN, Firewalls administration, ProxySQL, MsSQL, MySQL, MongoDB, LoadBalancer, Nginx, Apache, IIS, Reverse Proxy, Docker, Kubernetes, DB Clustering, Grafana, and VOIP(Asterisk PBX, FreePBX, IssabelPBX, SIP/IAX, SIP Circuti, FXO, Analog to digital, Callcenter System). GSuite, offie 365, Microsoft exchange, WebRTC, TURN/STUN. less
Hire hasansarif2
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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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We are working on Asterisk - VoIP solutions since 13 years onwards, we are having vast knowledge of all modules of Asterisk and dialer stuff, and we are also able to do integration with crms, clusters as well as other PBX systems for sending and receiving calls as well. We are experts install and configuring...We are working on Asterisk - VoIP solutions since 13 years onwards, we are having vast knowledge of all modules of Asterisk and dialer stuff, and we are also able to do integration with crms, clusters as well as other PBX systems for sending and receiving calls as well. We are experts install and configuring Asterisk, vicidial, Voice Broadcast, A2billing, PBX, Freepbx, Freeswitch, Twillio, Elastix, Advanced IVR, Web-meetme, Cloud Solution using Asterisk, SoundBox Dialer, GoAuto Dialer, Call Centre solutions, DID Management solution, Hylafax Solutions, etc .. Asterisk * Installtion & Configuration * Dial Plan Designing * Advanced AGI scripting * System Integration, from small office to carrier-grade * Custom applications * Auto/mass dialing solutions A2Billing * Billing customization * Callback customization * CDR customization * IVR customization * Softphone Integration * Multi owner solution * Reseller solution * Clustering / Backup / Failover / Monitoring * Security / Hardening ViciDial * Complete configuration and customization for call centers * Inbound / Outbound strategies Trixbox / FreePBX / Elastix * Complete configuration * Customization GNU/Linux * I use Debian from year 2000 * SysAdmin * Webmaster * MySQL / SQLite DBA * RAID * Disaster Recovery * Custom monitoring and with Nagios * Open / Closed / Custom encryption * Security Manager Hardware * Digium * Sangoma * OpenVox * AudioCodes * Siemens * Gigaset * Panasonic * HP ProCurve Software Development, Server Management(Windows & Linux),Network Management,Configure DHCP,port forwarding etc for Windows & linux networks.Dialer Technical Support with VoIP Server Technical Support (All types of VoIP devices), VoIP Minutes Re seller with dialer. Social skills: excellent in team, individual, on-site or remotely, relaxed or under stress. Organizational skills: excellent with analyst duties, alone or in a team, with project manager duties, with self-managed time, or with magnetic badge. Installation expertise in Asterisk, Freeswitch, vicidial, astercrm, A2billing, Free PBX, Elastic, etc. IVR specialist in asterisk Advanced Dialplan in asterisk Useful and cost-effective phone management system planning & designing & installation Expertises in Digium, Sangoma, Openvox and other type of PRI & PSTN Card installation. Connecting Multiple Asterisk Server & Cloud Solution for asterisk Call centre setup using vicidial Advanced Voice broadcast system Training on Asterisk Advanced Call Recording Solution usi ng Asterisk Specialties Asterisk, Freeswitch, vicidial,A2billing, Free pbx, elastic, PRI & PSTN card installation, call centre setup, Advanced IVR, Cloud solution using asterisk, training on asterisk, voice broadcast etc. less
Hire kingAsterisk
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My prompt response, clear communication and High-quality work always guarantee 100% client satisfaction and Job success. Key Skills:- * Experience in Web application development in PHP. * WebRTC based secure call integration * Experience in VoIP call app development using WebRTC, Janus webrtc * Experience in...My prompt response, clear communication and High-quality work always guarantee 100% client satisfaction and Job success. Key Skills:- * Experience in Web application development in PHP. * WebRTC based secure call integration * Experience in VoIP call app development using WebRTC, Janus webrtc * Experience in Audio/Video Streaming app development. * 3cx PBX Advance certify. * Experience in UBUTNU , Debian OS. * VOIP troubleshooting , * Experience in CRM integration with PBX. My creations & methodology: - I provide secure web applications for banking. Provided Salesforce Integration, Zendesk integration with PBX. I provide all the assistance for the VOIP and Telecom infrastructure. I have the potential to deliver a solution from beginning to end. Tactics which I follow:- I possess excellent communication skills and will be in regular contact for updates. I feel comfortable working as a team or an individual, multi-tasking is one of my best qualities. I prioritize things and manage work to complete on deadlines even if the situation is under pressure. I assure you that I'll give my best efforts to the project assigned to me. Looking forward to building a long-term relationship. Thanks! less
Hire gauravlokhande
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We have a combined experience of around 30 years in different fields of Information Technology, we have experience in VOIP, Asterisk, Cisco Call Manager 4.x onwards, Cisco IP phones, MYSQL, PHP,We have a combined experience of around 30 years in different fields of Information Technology, we have experience in VOIP, Asterisk, Cisco Call Manager 4.x onwards, Cisco IP phones, MYSQL, PHP, less
Hire ngxperts
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Freelancer, having 10+ years of experience as a Linux/Windows System Administrator, Devops and Cloud Engineer. I am well experienced in System Administration, so including but not limited to: Mail Server: Zimbra, postfix, sendmail, PowerMTA Web Server: Apache, Tomcat, Nginx Scripting: shell scripting Control Panel:...Freelancer, having 10+ years of experience as a Linux/Windows System Administrator, Devops and Cloud Engineer. I am well experienced in System Administration, so including but not limited to: Mail Server: Zimbra, postfix, sendmail, PowerMTA Web Server: Apache, Tomcat, Nginx Scripting: shell scripting Control Panel: Plesk, WHM, Cpanel, Webmin, Virtualmin Virtualization: KVM, VMware, Citrix Xen Server, VMware Esxi, Proxmox, Advanced KVM command-line Security Compliance: PCI-DSS, DISA STIGs. Devops Tools: Docker, Docker-compose, Jenkins, GitHub,Vagrant, Vagrant with Docker as provider , Ansible, Foreman Network: Router configuration of cisco router, modem. IP subnetting. Database: Mysql, Postgresql, Oracle, MS-SQL Accounting: Tally 6.3, Tally ERP 9 on Linux Operating System: Debian-{8,9,10}, Centos-{3,4,5,6,7}, Ubuntu-{12,14,16,18,20.04,22.04}, Windows server -{2003, 2008, 2012, 2016, 2019,2022} Private cloud: Eucalyptus (Ubuntu Enterprise cloud) Cloud: AWS, Gcloud, Azure create VPC, public-private subnet, route table, Internet gateway, network acl, amazon ec2 instance Migration, updation. ERP: ERPnext Multitenant, ERPnext in Google Cloud K8s cluster Log Server: Solarwind Kiwi syslog Domain Server: Windows AD, Samba4 Server provisioning and PXE installation for Linux and Windows. Source code Compilation and Cross compilation for various architecture. Server Administration, Webhosting, Web migration, Web and DB performance tuning, SSL Certificate Installation, Shell scripting, Deployment of various software and server, Mail server etc. Postgresql cluster, high availability, Load balancing. Master-master Replication. GlusterFS Replication and Geo-replication. Linux Distros: Kiosk live image. FFMPEG, v4l2loopback, Proxy: Haproxy less
Hire android2014213
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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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abusayed2004 abusayed2004
$30 USD / hour
DevOps, Linux, Network, SIP, VoIP, Cyber SecurityBangladeshI am open to long-term remote and onsite jobs. Work 12 years on server security, cloud, AWS, OpenStack, VoIP, Asterisk, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, OpenStack, Mysql, Redhat, Python, PHP scriptwriter for IVR and AGI implementation on asterisk, have a good team for...I am open to long-term remote and onsite jobs. Work 12 years on server security, cloud, AWS, OpenStack, VoIP, Asterisk, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, OpenStack, Mysql, Redhat, Python, PHP scriptwriter for IVR and AGI implementation on asterisk, have a good team for support and further development. Puppy Linux customization. • Linux - Hosting Systems Administration & Monitoring • Design and implement High Performace SIP SBC • DevOps CI/CD • Services Optimization • Security Hardening • VoIP, Asterisk, SMS, Dongle, FreePBX install, configure, maintain • 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 less
Hire abusayed2004
