VoIP Developers Do Zatrudnienia

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  • Zatrudnij użytkownika AbrahamBU
    5.5
    28 ocen $20 USD na godzinę
    *Dedicated Freelancer* 9+ Years Robust Experience as a Lead Engineer. Master in VoIP Platforms and Integration with other components of OSS/BSS, Telecom Networks and CRM products. CCIE Level Network Knowledge and Robust Telecom Experience. (NOC Manager) Expert in WebRTC and Asterisk along with a deep...
    *Dedicated Freelancer* 9+ Years Robust Experience as a Lead Engineer. Master in VoIP Platforms and Integration with other components of OSS/BSS, Telecom Networks and CRM products. CCIE Level Network Knowledge and Robust Telecom Experience. (NOC Manager) Expert in WebRTC and Asterisk along with a deep understanding and experience in Signalling and Media protocols, furthermore in Secure calling and Media encryption. Having 100++ successful setup and integration, I am fully familiar with every single issue or bugs you may face in WebRTC related projects and Asterisk. I am also experienced with Mobile Network Infrastructure as well as OSS/BSS platforms in Carrier WiFi, Carrier VoIP and general concept of Mobile Data Offloading. I did also managed to run a massive ISP with +500000 customer base and +200000 live users. hands on experience on various VoIP/Network tech and devices Ability to train, motivate and supervise a team Kindly please contact me for more details. mniej
  • Zatrudnij użytkownika larymonata
    5.2
    33 ocen $25 USD na godzinę
    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 mniej
  • Zatrudnij użytkownika octopus823
    3.4
    3 ocen $35 USD na godzinę
    "There are many elephants in the field, but only one leads " I am a director of team and my team has received good reviews from our clients & world's famous app challenges. Our clients have said "it is alarming"," Now is the time to invest". I am proud of our top ranking team. We work FULL time on freelancer...
    "There are many elephants in the field, but only one leads " I am a director of team and my team has received good reviews from our clients & world's famous app challenges. Our clients have said "it is alarming"," Now is the time to invest". I am proud of our top ranking team. We work FULL time on freelancer and will always provide the best products to my clients. Our mission is to provide tomorrows solutions today, and to maximize customer satisfaction through innovative designs and applications with the best quality. We can provide you the following: - Android and iPhone Apps Developing - Website Developing and Hosting - Linux, MAC OS X, Windows based System Programs Developing - Application Software(c,c++,Qt) Developing for all purposes mniej
  • Zatrudnij użytkownika iKcon
    5.6
    28 ocen $25 USD na godzinę
    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 100% ...
    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 100% VoIP Softswitch * Retail & Wholesale Switch * Least Call Routing * Advance Reporting System * DID Management * Calling Card Solution * CallShop Solution Open Source System * A2Billing * ASTPP * Vicidial * FreePBX * FusionPBX * OpenSIP * Asterisk * Elastix * A2billing VoIP Mobile Dialer Features: * HD Audio Quality * Video Calling * Instant Messaging * Data Transfer * Support all Major Codecs * Full Customizable * Complete White Label For more information about iKcon Infotech check our website. mniej
  • Zatrudnij użytkownika dailas
    5.5
    57 ocen $25 USD na godzinę
    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 mniej
  • Zatrudnij użytkownika FranMercedesG
    4.9
    26 ocen $40 USD na godzinę
    I Have been active in hosting and cloud field from last 7 years working on following technologies: I have extensive, practical and relevant industry experience in the following area : - Asterisk / Elastix / FreePBX / Issabel - Hosted PBX Solutions. - Asterisk Security. - Windows Server Administrations. - Custom...
    I Have been active in hosting and cloud field from last 7 years working on following technologies: I have extensive, practical and relevant industry experience in the following area : - Asterisk / Elastix / FreePBX / Issabel - Hosted PBX Solutions. - Asterisk Security. - Windows Server Administrations. - Custom Asterisk Development (PHPAGI,Bash Scripting). - Linux Server Administrations. - Networking. - SMTP Servers Setup. - FailOver, Load balancer, Clustering Setup - Security and Firewall setup - Call Center Solutions (Vicidial,Goautodial). - Backup and Disaster Recovery - Uptime Monitoring. mniej
  • Zatrudnij użytkownika kingAsterisk
    6.1
    25 ocen $15 USD na godzinę
    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. mniej
  • Zatrudnij użytkownika TrueGardener
    4.0
    1 ocena $35 USD na godzinę
    ✪ FAST SPEEDY & BEST QUALITY ✪ ◆ Angular JS, Angular 2, Angular 4, Angular 5 and Angular 6 ◆ Angular Material Ample Required ◆ Video Streaming and Text Chat and Text2Voice ◆ React JS ◆ FFMpeg Expert ◆ Laravel And Vue.js ◆ Twilio and All Payment Gateway Integration ◆ Codeigniter and Shopify and Zend expert ◆ Facebook...
    ✪ FAST SPEEDY & BEST QUALITY ✪ ◆ Angular JS, Angular 2, Angular 4, Angular 5 and Angular 6 ◆ Angular Material Ample Required ◆ Video Streaming and Text Chat and Text2Voice ◆ React JS ◆ FFMpeg Expert ◆ Laravel And Vue.js ◆ Twilio and All Payment Gateway Integration ◆ Codeigniter and Shopify and Zend expert ◆ Facebook Social App Integration ◆ Mobile Native App and NDK Expert ◆ Cocos 2dx and Html5 Game Expert YOUR SUCCESS IS MY SUCCESS Best regards. mniej
  • Zatrudnij użytkownika RafimKs
    3.7
    2 ocen $25 USD na godzinę
    I am a MCSE Certified Expert System and Network Administrator with experience of 11+ Years. My skills include a deep knowledge of ... 1-Microsoft Servers(2003,2008,2012 &2016),AD,DNS,DHCP,WSUS,Hyper-V & Exchange(2010,2013,2016 &...
    I am a MCSE Certified Expert System and Network Administrator with experience of 11+ Years. My skills include a deep knowledge of ... 1-Microsoft Servers(2003,2008,2012 &2016),AD,DNS,DHCP,WSUS,Hyper-V & Exchange(2010,2013,2016 & O365) 2-Linux(Ubuntu,Redhat,Debian,CentOS) 3-VMWare(ESXi,VCenter(6.x),Workstation) 4-Firewalls & UTM Appliances(Sophos,Fortinet,ASA,Cyberoam,PFSense) 5-Citrix(XenApp,XenDesktop,XenCenter) 6-SAN & NAS Storage(EMC,IBM StoreWise,Synology,WD,HP ) 7-Antivirus & Endpoint Protection Solution(McaFee EPO(5.x),Symantec,InterceptX & Kaspersky) 8-Backup(Backup Exec & Veeam) 9-VPN(OpenVPN,Site 2 Site & Remote access with L2TP) 10-VOIP(Avaya IP Office,Cisco,Asterisk,Grandstream,Yealink & FreePBX). 11-Server Hardware (Dell PowerEdge Series,HP Proliant Series & Lenovo/IBM Flex) If hired by you I can give you high quality and high level of standard . mniej
  • Zatrudnij użytkownika pauldic
    3.2
    1 ocena $50 USD na godzinę
    Enthusiastic Software Developer with passion on delivering customer Oriented solutions. I deliver with skills below: ** Asterisk PBX/Kamalio ** Python/Django, Dango Rest Framwork, (Celery, Redis, Celerybeat) ** Java (JSP, JSF, EL, JSTL, Servlets, Web Socket IO, WebServices, EJB, JPA, Eclipse) ** PHP...
    Enthusiastic Software Developer with passion on delivering customer Oriented solutions. I deliver with skills below: ** Asterisk PBX/Kamalio ** Python/Django, Dango Rest Framwork, (Celery, Redis, Celerybeat) ** Java (JSP, JSF, EL, JSTL, Servlets, Web Socket IO, WebServices, EJB, JPA, Eclipse) ** PHP (Apache/Nginx) ** Frontend: AngularJs, Javascript, Ajax, JQuery, HTML5, CSS3, Bootstrap ** Server: (Linux Server Management, DB Management) ** Database: SQLite, Mysql &amp; Postgres mniej

Witaj , tutaj znajdziesz kilku freelancerów offline

Witaj , tutaj znajdziesz kilku freelancerów offline, którzy pasują do hasła ""