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  • Найняти AbrahamBU
    5.4
    26 відгуків(-и) $20 USD на годину
    *Dedicated Freelancer* 9+ Years Robust Experience as a Lead Engineer. Master in 39bc9a89b9VoIP95b44a0d23 Platforms and Integration with other components of OSS/BSS, Telecom Networks and CRM products. CCIE Level ... with Mobile Network Infrastructure as well as OSS/BSS platforms in Carrier WiFi, Carrier 39bc9a89b9VoIP95b44a0d23 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 39bc9a89b9VoIP95b44a0d23/Network tech and devices Ability to train, motivate and supervise a team Kindly please contact me for more details.
    *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. менше
  • Найняти bhruguios
    4.1
    7 відгуків(-и) $30 USD на годину
    I have 12 years of experience. Mobile (iOS/Android): * Developed 30 Native apps * 5 hybrid app (IONIC, React Native, Sencha) Website: * 2 websites developed/designed (Ruby On Rails) 39bc9a89b9VoIP95b44a0d23 ... , Softphone dialer * Class 5 and Class 4 switch * Asterisk Development -C module development -Channel Driver development -Application development -Realtime/Dynamic Engine 39bc9a89b9VoIP95b44a0d23 Projects Developed ... : IVR, Predictive Dialer, SMS schedular, Conference monitor, Inter-Office communication, International routing, SoftSwitch Focus: - Bug free and clean coding. - Honest and Polite - Love mobile/Web/39bc9a89b9VoIP95b44a0d23
    I have 12 years of experience. Mobile (iOS/Android): * Developed 30 Native apps * 5 hybrid app (IONIC, React Native, Sencha) Website: * 2 websites developed/designed (Ruby On Rails) VoIP: * Asterisk, FreePBX, FreeSwitch, OpenSips, A2billing customisations. * Bash script * IVR Solutions * Autodialer/Preductive Dialer * Call Center Solutions * Broadcasting System * Softphone, Softphone dialer * Class 5 and Class 4 switch * Asterisk Development -C module development -Channel Driver development -Application development -Realtime/Dynamic Engine VoIP Projects Developed: IVR, Predictive Dialer, SMS schedular, Conference monitor, Inter-Office communication, International routing, SoftSwitch Focus: - Bug free and clean coding. - Honest and Polite - Love mobile/Web/VoIP technology - Strong experience in field - Believe in Quality work - Smart work, not hard work - Always ready to take the challenge менше
  • Найняти openasterisk
    4.3
    7 відгуків(-и) $12 USD на годину
    & Dedicated towards work ✔ 1 Month of FREE post deployment support Expertise / Services ------------------------------------------------- ✔ 39bc9a89b9VoIP95b44a0d23 Telephony: Asterisk, Freeswitch, OpenSIPs, Kamailio ... ✔ 39bc9a89b9VoIP95b44a0d23 Billing: A2Billing, ASTPP, vBilling ✔ 39bc9a89b9VoIP95b44a0d23 PBX: FreePBX, FusionPBX, Kazoo ✔ Web Development: PHP, Joomla, Wordpress, Drupal, Magento ✔ Mobile App Development: Android (Android Studio), iOS
    Thanks for stopping by on my profile. I am having 10 years of experience in software development. Here are some key points which explains me and my skills: Why you should hire me? -------------------------------------------------- ✔ Strong skills in Project management ✔ Rich in Experience ✔ Fluent in English ✔ Excellent Communication & Understanding ✔ Professional & Friendly behavior ✔ Honest & Dedicated towards work ✔ 1 Month of FREE post deployment support Expertise / Services ------------------------------------------------- ✔ VoIP Telephony: Asterisk, Freeswitch, OpenSIPs, Kamailio ✔ VoIP Billing: A2Billing, ASTPP, vBilling ✔ VoIP PBX: FreePBX, FusionPBX, Kazoo ✔ Web Development: PHP, Joomla, Wordpress, Drupal, Magento ✔ Mobile App Development: Android (Android Studio), iOS (Objective C & Swift) ✔ Design: Website Design, Mobile App Design, Graphic Designing That too, all together under a roof. Feel free to contact me for any of your project. I assure you best quality work. менше
  • Найняти audigomez21
    1.4
    1 відгук $24 USD на годину
    I have extensive experience in the field, knowledge in 39bc9a89b9voip95b44a0d23, callcenter systems. experience in the following area : -Asterisk / Elastix / FreePBX / Issabel/Xorcom/GrandstreamUCM - Hosted PBX Solutions. - Asterisk Security. - Call Center Solutions (Vicidial,Goautodial).
    I have extensive experience in the field, knowledge in voip, callcenter systems. experience in the following area : -Asterisk / Elastix / FreePBX / Issabel/Xorcom/GrandstreamUCM - Hosted PBX Solutions. - Asterisk Security. - Call Center Solutions (Vicidial,Goautodial). менше
  • Найняти larymonata
    4.6
    17 відгуків(-и) $25 USD на годину
    10 years experience with Asterisk, 39bc9a89b9VoIP95b44a0d23 and Linux servers. I have extensive and practical experience with Asterisk and have developed many custom applications with asterisk. Listed below few of the
    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 GrArtem
    2.8
    3 відгуків(-и) $20 USD на годину
    /hosting: Azure, Amazon WS, Digital Ocean, OVH, GoDaddy, Bluehost, Siteground. CloudFlare JIRA+Confluence (administration) ZOHO mail MAC OS Virtualizion 39bc9a89b9VoIP95b44a0d23: 3cx, Twillio, Zadarma
    I'm a System Administrator with more than 5 years of experience on building networks, services, solutions based on Windows and Linux(corporate mail servers, routing, firewall, VPN, trunking, proxy, web-servers, etc), with solid references. Key skills Linux, CentOS Web Panel Windows Server from 2003 to 2016, Active Directory,DNS,DHCP,DFS,File&Storage Server,Security,Group Policy,IIS,Print Server,RDS, Provisioning packages Virtualisation: HyperV, VMWare WSUS,Windows Deployment Services (WDS) Backup: Windows Backup, NetBackup Firewall: Cisco ASA(L2TP/IPsec/Anyconnect/etc.), Kerio Control VPN: openvpn, cisco anyconnect, IPSec tunnels Office 365 Scripting: Batch scripts, PS tools, Chocolatey Web services: IIS, WebDAV, SSL Kerio Control, Squid, VPN, IPtables, Revers Proxy/Virtual hosts Cloud/hosting: Azure, Amazon WS, Digital Ocean, OVH, GoDaddy, Bluehost, Siteground. CloudFlare JIRA+Confluence (administration) ZOHO mail MAC OS Virtualizion VoIP: 3cx, Twillio, Zadarma менше

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