VoIP Developers для найму

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  • Найняти abusayed2004
    6.2
    48 відгуків(-и) $30 USD на годину
    Work 9 years on server security, cloud, AWS, OpenStack, VoIP, Asterisk, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, OpenStack, Mysql Red hat, Python, PHP scriptwriter for IVR and AGI implementation on asterisk, have a good team for support and further development. Puppy Linux...
    Work 9 years on server security, cloud, AWS, OpenStack, VoIP, Asterisk, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, OpenStack, Mysql Red hat, 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 • Devops • Services Optimization • Security Hardening • VoIP, Asterisk, SMS, Dongle, FreePBX install configure, maintain • 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 менше
  • Найняти larymonata
    5.8
    44 відгуків(-и) $25 USD на годину
    10 years experience with Asterisk, VoIP and Linux servers. I have extensive and practical experience with Asterisk and have developed many custom applications with asterisk. Listed below few of the applications that I built over asterisk. * Hosted and Multi Tenant PBX systems * Callcenter Solutions with...
    10 years experience with Asterisk, VoIP and Linux servers. I have extensive and practical experience with Asterisk and have developed many custom applications with asterisk. Listed below few of the applications that I built over asterisk. * Hosted and Multi Tenant PBX systems * Callcenter Solutions with predictive, preview and progressive dialing * Softswitch with billing solution * Auto dialers * Clicktocall solutions * IVR Solutions менше
  • Найняти redmapple3
    2.6
    1 відгук $20 USD на годину
    **If you want a reliable, quick worker hire Me** ✪Dear my Client✪ Thanks for checking my profile. I have good knowledge of program languages such as c/c++, jsp , php,... I am very experienced with the mobile iOS/Android app, AR&VR, Unity3D and website development. I can help you with high-level skill, as well as the...
    **If you want a reliable, quick worker hire Me** ✪Dear my Client✪ Thanks for checking my profile. I have good knowledge of program languages such as c/c++, jsp , php,... I am very experienced with the mobile iOS/Android app, AR&VR, Unity3D and website development. I can help you with high-level skill, as well as the actual programming work. You're welcome to my portfolio and you can checkout some of my good experiences. ✅Programming ◆PHP(Laravel, CodeIgnitor, CakePHP, Yii, Zend, Wordpress, Joomla), Javascript(Angular.JS, React.JS), Html5 ◆Android, xCode, Swift, Ionic ◆J2EE, JSP, Spring, Hibernate, Mybatis, Strut2, JSF ◆c/c++/c#/R Language ◆Python/Django/Flask ◆Cocos2d/Unity3d ◆NodeJS/ASP.NET ◆AI-Machine Learning(Tensorflow, SVM, MEMM, HMM) & NLP(Natural Language Processing) ✅ Good Services * Deliver Daily or Weekly result. * Responsible communication anytime. * 6 months Free bug fixing and maintenance after development. ⭐ "Top Quality In Time & Instant Reply & Honest".⭐ менше
  • Найняти Erewin
    5.5
    26 відгуків(-и) $30 USD на годину
    Hello, my friends! There are what i have done in this 2019 year. - Voip Push Notification iOS, - Bluetooth-Asterisk-GSM Gateway, - SIP Load-Balancers, - TLS SIP Implementation, - Freepbx Survey module ... etc. I am voip developer who loves his job. Be free to ask me any question.
    Hello, my friends! There are what i have done in this 2019 year. - Voip Push Notification iOS, - Bluetooth-Asterisk-GSM Gateway, - SIP Load-Balancers, - TLS SIP Implementation, - Freepbx Survey module ... etc. I am voip developer who loves his job. Be free to ask me any question. менше
  • Найняти ciscoterminal
    2.0
    3 відгуків(-и) $50 USD на годину
    Devops Engineer and Expert in designing Secure and Complex wired/wireless networks. extensive experience in Linux and windows server configuration, Troubleshooting and security. CCIE (Routing and Switching) CCIE (Security) CCIE (Service Provider) (RHCE) Red Hat Certified Engineer (MCSE)Microsoft Certified Solutions...
    Devops Engineer and Expert in designing Secure and Complex wired/wireless networks. extensive experience in Linux and windows server configuration, Troubleshooting and security. CCIE (Routing and Switching) CCIE (Security) CCIE (Service Provider) (RHCE) Red Hat Certified Engineer (MCSE)Microsoft Certified Solutions Expert VMware Certified Professional Computer Hacking Forensic Investigator (CHFI) Certified Information Systems Security Professional (CISSP) Master in Information Security Docker, Kubernetes , Google Cloud, Amazon AWS, Digital Ocean etc менше
  • Найняти iKcon
    5.8
    34 відгуків(-и) $25 USD на годину
    We are Team iKcon Infotech!! Above 7 years of Expertise in VoIP Based Products. We majorly deal in below stated products and our focus in customer satisfaction which turns out to be automatic more references. That is the reason what from past years our Completion ratio is above 95% ...
    We are Team iKcon Infotech!! Above 7 years of Expertise in VoIP Based Products. We majorly deal in below stated products and our focus in customer satisfaction which turns out to be automatic more references. That is the reason what from past years our Completion ratio is above 95% Open Source System * A2Billing * ASTPP * Vicidial * FreePBX * FusionPBX * OpenSIP * Asterisk * Elastix * GoAutodial * Freeswitch VoIP Mobile Dialer * Linphone * CSipsimple Any kind of Customization or Development in VoIP Open Source Products. We have our own customized version of A2billing, ASTPP, Vicidial, FusionPBX and more. For more information about iKcon Infotech check our website. менше
  • Найняти dailas
    5.5
    60 відгуків(-и) $25 USD на годину
    Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 5 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. Digium Certified Asterisk...
    Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 5 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. Digium Certified Asterisk Administrator FreePBX Sangoma Certified Essential PBXact Sangoma Certified Essential менше
  • Найняти RafimKs
    4.3
    12 відгуків(-и) $40 USD на годину
    I am excited to offer 12 years of solid experience in Physical & Virtual Networking Platforms, System Administration, Desktop Support, Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft - Active Directory, DNS,DHCP, RDS, SQL,SharePoint,...
    I am excited to offer 12 years of solid experience in Physical & Virtual Networking Platforms, System Administration, Desktop Support, Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft - Active Directory, DNS,DHCP, RDS, SQL,SharePoint, Hyper-V, Exchange - (Office365, Azure) - VMWare (ESXi, VCenter) - Citrix (XenApp, XenCenter) - Antivirus(Symantec(SEP),Mcafee(EPO),Kaspersky) - Linux (Ubuntu, CentOS, Debian) - Google (GCP&GSuite) - Storage(Synology,FreeNAS,WD & NetApp) - VOIP ( Avaya,3CX,Yeastar,XCally,GrandStream & FreePBX) - Firewalls (Fortinet, Sonicwall, Sophos, ASA,WatchGuard&PFSense) - Routers (Cisco, Mikrotik) - Servers (HP Proliant Servers) & (Dell PowerEdge Servers) I am happily available anytime using secure remote support or walk you through the steps via Freelancer chat .I am looking to show each client my worth to build a long relationship. Get started by clicking on "Hire Me" менше
  • Найняти kingAsterisk
    6.1
    25 відгуків(-и) $15 USD на годину
    We are provides Desktop Management, Server Management, Network Management( Windows & Linux Both) & call center solutions with products ranging from Soft Predictive dialers to VoIP Gateways from VoIP minutes to Servers.. 1. Predictive Dialer on RENT(EMI) 2. Predictive Dialer with UNLIMITED MINUTES (COMBO PACK) 3....
    We are provides Desktop Management, Server Management, Network Management( Windows & Linux Both) & call center solutions with products ranging from Soft Predictive dialers to VoIP Gateways from VoIP minutes to Servers.. 1. Predictive Dialer on RENT(EMI) 2. Predictive Dialer with UNLIMITED MINUTES (COMBO PACK) 3. PREDICTIVE DIALER with purchase mode 4. UNLIMITED VoIP A to Z Network & Call Center Solutions Asterisk * System Integration, from small office to carrier grade * Skype <-> SIP <-> Asterisk * Custom applications * Billing solutions * Auto / mass dialing solutions * Advanced AGI scripting 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 Call Shop * Complete configuration and customization for call shops * Asterisk-based easy-to-use solutions * Integration with traditional systems and equipment 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 Specialties 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 team,with project manager duties,with self-managed time or with magnetic badge. Installation Expertises 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. менше
  • Найняти YuKai7777
    4.7
    2 відгуків(-и) $50 USD на годину
    Thanks for visiting my profile. I have full experiences with Mobile & Web development over 7+ years. I am able to deliver the best quality work's result in time you hope based on clear understanding of requirements. ✵ Full-time Communication and Working. ✵ My Master Fields ✓ Top Skill - Blockchain, NFC, WebRTC,...
    Thanks for visiting my profile. I have full experiences with Mobile & Web development over 7+ years. I am able to deliver the best quality work's result in time you hope based on clear understanding of requirements. ✵ Full-time Communication and Working. ✵ My Master Fields ✓ Top Skill - Blockchain, NFC, WebRTC, Voip, OCR, Image Processing - React Native, MEAN.io - Ruby on Rails, React+Apollo+GraphQL - ASP, JSP, Spring Boot - Social (Facebook...) ✓ Mobile - Native: Swift/Objective-C & Java - Hybrid: Flutter/Kotlin/NativeScript & Ionic/PhoneGap/Xamarin ✓ Frontend - React.js, Angular.js, Vue.js - Bootstrap 4, Html5, CSS3, jQuery+Ajax ✓ Backend - PHP, Node.js, GoLang - MySQL, PostgreSQL, MSSQL, MongoDB, Oracle ✓ Framework - Laravel, Codeigniter, Symfony, CakePHP, Yii - Express.js, Socket.io, Meteor.js - Django, Flask - WooCommerce, Prestashop, Shopify ✓ Cloud Server - AWS, Firebase, Google Cloud, All VPS Servers ... Kindly regards. менше

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