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高级威客
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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...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. 收起
雇用 abusayed2004
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Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D.Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D. 收起
雇用 udayarpandey2022
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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, Docker Swarm 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 with CEPH storage 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 MongoDB Replicaset on multi-node docker container. 收起
雇用 android2014213
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We are working on Asterisk - VoIP solutions since 15 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 15 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 .. We are popular as a VoIP open-source development company due to our expertise in building, scaling up, and maintaining the best open-source VoIP solutions. We have a team of VICIDial experts who specialize in this open-source call center software. We provide the development of custom features with source code, add-ons, etc. to add missing functionalities to this contact center solution. As a Leading VICIDial Development Company, Our VICIDial skin development and VICIDial theme customization services are popular due to the transformation of this software with better and enhanced UI and UX elements. We also provide various other VICIDial services to benefit its users. We can modify the dialer as per our client requirements like functionality, reports & custom GUI. We provide call center dialer software on the client-server with source code so you can modify it anytime in the future for your clients. ViciDial custom development * Complete configuration and customization for call centers * Inbound / Outbound strategies 1) miss call report we can setup 2) abandonded report 3) advanced agent performance report 4) sale history report 5) agent payment report 6) billing based on rates 7) custom dashboard for admin, managers 8) carrier reports with its hangup status 9) recording reports based on users, campaign 10) inbound/outbound separate custom reports 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 Trixbox / FreePBX / Elastix * Complete configuration * Customization 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. 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 收起
雇用 kingAsterisk
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Hi!!! This is Raj malviya. I am a VoIP Engineer and have 5+ years of experience working on asterisk and asterisk-based PBX systems. I provide the following services 1. Installation of FreePBX, vicidial, and magnus, fusion pbx ,3cx in the cloud or local server. 2. Troubleshooting Issues related to the PBX...Hi!!! This is Raj malviya. I am a VoIP Engineer and have 5+ years of experience working on asterisk and asterisk-based PBX systems. I provide the following services 1. Installation of FreePBX, vicidial, and magnus, fusion pbx ,3cx in the cloud or local server. 2. Troubleshooting Issues related to the PBX system 3. Remote Technical Support 4. custom Dialplans and automation 5. Following Features' Setup Extension Creation Voice Mail, Announcements, Office Hours setup Custom IVR with database queries & API calls Ring Groups SIP Trunk Integration, WebRTC, Queues All other related services to the PBX system i have multiple provider i can add every cloud pbx system. i am providing local number ,toll free number as per customer requirements. #Email SMTP# SSL / TLS Support (Free SSL, Let's Encrypt Or Any Paid SSL) Email marketing tools help DNS Support Cloudflare DNS Support Virtualization Server Setup Support. 收起
雇用 rajmalviyamalviy
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I’m experienced in Server Managment and Network Administration for small and medium-sized businesses. I have about 30 years of experience on these areas. I have worked in Microsoft 365, Microsoft Office 365, Intune, SCCM, RDS Severs, WDS, WSUS in the past 5 years. I am expert in Fiber optic network design, experienced...I’m experienced in Server Managment and Network Administration for small and medium-sized businesses. I have about 30 years of experience on these areas. I have worked in Microsoft 365, Microsoft Office 365, Intune, SCCM, RDS Severs, WDS, WSUS in the past 5 years. I am expert in Fiber optic network design, experienced in troubleshooting fiber optic networks. Expert with Fiber Optic tools such as Fusion splicers, Optical Time Domain Reflectometer (OTDR), Fiber optic cleaver, Visual Fault Locator (VFL), Power meter and light source. Fiber optic connectors, Single-mode and multimode cables, Splice enclosures, Distribution boxes, Termination boxes, Patch panels. I have hand-on experience on Wi-Fi design for home and office. 收起
雇用 SiaSP
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pranavkhandelwal pranavkhandelwal
$15 美元/小时
Top1% PPF | 12+ years | Fullstack mobile & web appIndiaHello, I'm Pranav, a seasoned professional with over 10 years of extensive experience in mobile and website development. My journey in the tech world has allowed me to master a diverse range of technologies, making me proficient in Flutter, React Native, React.js, Node.js, PHP, Firebase, WordPress, Swift, Java, and...Hello, I'm Pranav, a seasoned professional with over 10 years of extensive experience in mobile and website development. My journey in the tech world has allowed me to master a diverse range of technologies, making me proficient in Flutter, React Native, React.js, Node.js, PHP, Firebase, WordPress, Swift, Java, and more. Key Highlights: Experience: With a decade of hands-on experience, I bring a wealth of knowledge in both mobile and website development. Versatility: My expertise spans a broad spectrum of technologies, allowing me to tackle projects with a holistic approach. Experience and Skills: Specialization: Native iOS Mobile Application Development using Objective-C, Swift in Xcode. Design Patterns: Strong foundation in Object-Oriented Programming (OOPs), MVC, MVVM, and other design patterns. Frameworks: Proficient in Cocoa/Cocoa Touch, utilizing both native frameworks and third-party libraries. API Integration: Extensive experience with Restful APIs, SQLite, PLIST, JSON, XML, and social network integrations such as Facebook, Google+, Twitter, etc. Interface Design: Efficient use of Interface Builder, XIB, or storyboard for intuitive user interfaces. Additional Expertise: iCloud implementation, In-App Purchase, Remote and Local Push Notification. Version Control: Experienced with version control systems like SVN and GIT. Commitment: From my end, I guarantee maximum responsibility, rapid responses, and time flexibility. Regardless of your location or preferred working hours, I am committed to delivering exceptional results. Feel free to reach out to discuss your project. I look forward to the opportunity to collaborate and bring your ideas to life. Best regards, Pranav Khandelwal 收起
雇用 pranavkhandelwal
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Hello! I'm Vikas, a senior software engineer with four years of experience in the IT field. During my career, I've gained expertise in various domains and technologies. Here's what I can offer: ⁃ Back-end Development: I specialize in building robust backends using NodeJS, PHP, Java and Python. ⁃ Cross-platform App...Hello! I'm Vikas, a senior software engineer with four years of experience in the IT field. During my career, I've gained expertise in various domains and technologies. Here's what I can offer: ⁃ Back-end Development: I specialize in building robust backends using NodeJS, PHP, Java and Python. ⁃ Cross-platform App Development: I have hands-on experience in developing cross-platform applications using React Native. ⁃ Desktop Application Development: I am skilled in creating desktop applications using ElectronJS, providing efficient and user-friendly experiences across different operating systems. ⁃ Web Scraping: I possess a strong knowledge of web scraping involving complex cases like captcha bypassing, Rate Limiting, and WAF Bypassing. I excel at extracting valuable data from websites, providing insights, and automating processes. ⁃ App Scraping: I am skilled in scraping data from mobile applications, enabling you to harness valuable information and optimize your business operations. ⁃ Cloud Computing: I have extensive experience with AWS server administration and billing. I have successfully managed AWS infrastructure, optimizing performance and ensuring secure and scalable solutions. Additionally, I am well-versed in optimizing costs and managing billing for AWS services. With a diverse skill set and a passion for problem-solving, I am confident in taking on new and challenging projects. Whether you need assistance with back-end development, cross-platform apps, desktop applications, web scraping, captcha bypassing, or AWS cloud computing, I am ready to help. Thank you for considering my profile, and I look forward to working with you. 收起
雇用 vikasg603
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We are working on dialer solutions since 13 years onwards, we are having vast knowledge of all modules of dialer stuff, we are also able to do integration with crms, with clusters as well as other pbx systems for sending and receiving calls as well. As we know vicidial is opensource solution, so we are ready to do...We are working on dialer solutions since 13 years onwards, we are having vast knowledge of all modules of dialer stuff, we are also able to do integration with crms, with clusters as well as other pbx systems for sending and receiving calls as well. As we know vicidial is opensource solution, so we are ready to do any kind of customization as per customer's requirement, because some of the features are not available on those version and also customer needs some additional customization design wise and flow wise. so we are ready to do any kind of customization to get customer's positive feedback and happiness as well. * Get the best Quality work delivered on time, before time!! * * 120% client satisfaction * * Get regular progress updates on the project * * Excellent communication about project details * * Get more that Expected* * " My USP: I won't leave a client just after delivery of a project. I Provide assistance and service on the product further if required until the client achieves his/ her goals.." I am proficient in: Vicidial A2Billing Voice Brodcasting IPPBX solution Avatar Dialer CRM integration IVR DID Management Solution Dialer Clustering Multi-Language Dialer In a market flooded with thousands of freelancers. i can ensure the best quality of work and always on time delivery. 收起
雇用 freelancerdialer
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About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is...About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is easy to setup systems. I am not picky about what systems to use but i do have experience what to use. I know following operating systems + distros: debian, ubuntu, gentoo, suse, redhat, centos, rocky linux, almalinux and arch linux, freebsd, netbsd, openbsd, sun solaris plus ms windows servers. I also know following systems: Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Java web servers: Tomcat, Jrun, Jboss Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL Mail systems: Postfix,exim,dovecot.. and implementing: DKIM, SPF, MX, DMARC. Monitoring systems: Nagios, zabbix, cacti, grafana. SMS: SMSC, Kannel DNS: Bind, Djbdns, Dnsmasq. VPS: Vmware, Hyper-v, Proxmox, bhyve, kvm, xen, openstack.. Containers: docker, lxc, jail, kubernetes Cloud providers: AWS, Digitalocean, Azure.. My knowledge does not stop here. I troubleshoot easily. Let's chat Please see my reviews of my previous works.. PS! With my bid you will get one week free support for work done 收起
雇用 servermaster
