VoIP Developers For Hire

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Showing 54 results
  • Hire Erewin

    Erewin

    Russian Federation
    $30 USD / hour
    Voip developer
    Russian Federation
    6.0
    36 reviews $30 USD per hour
    Hello, my friends! There are what i have done in this 2019 year. ☑ click2call php script for asterisk\issabel\elastics\freepbx ☑ deploy opensips server (with web panel) with 200cps\6000 concurrent calls ☑ deploy zabbix monitoring system for voip servers ☑ Increase disk space on VM without power off ☑ Moving VMs...
    Hello, my friends! There are what i have done in this 2019 year. ☑ click2call php script for asterisk\issabel\elastics\freepbx ☑ deploy opensips server (with web panel) with 200cps\6000 concurrent calls ☑ deploy zabbix monitoring system for voip servers ☑ Increase disk space on VM without power off ☑ Moving VMs between ESXI hosts ☑ Colored fax on Hylafax+ ☑ Raspberry Bluetooth Asterisk voip\gsm gateway, ☑ Voip Push Notification iOS, ☑ Bluetooth-Asterisk-GSM Gateway, ☑ SIP Load-Balancers, ☑ TLS SIP Implementation, ☑ Freepbx Survey module, ☑ Whitelist Kamailio sip server for millions numbers in db, ☑ Deploy PAMI to Asterisk to make server more faster for wholesale, I am voip developer who loves his job. Be free to ask me any question. less
  • Hire FranMercedesG

    FranMercedesG

    Dominican Republic
    $40 USD / hour
    Ing . Computer Systems
    Dominican Republic
    5.3
    46 reviews $40 USD per hour
    ● Linux/Unix System Administration - Installation and Configuration Storage: ISCSI, DRBD, GlusterFS, and Ceph. File servers: FTP, NFS, and Samba. Web Server: Apache, Tomcat, and Nginx. Database: MySQL, Postgres, MongoDB Cache & Proxy: Squid, Nginx, and Lusca. Mail Server: Postfix, Sendmail, IredMail, Qmail, and...
    ● Linux/Unix System Administration - Installation and Configuration Storage: ISCSI, DRBD, GlusterFS, and Ceph. File servers: FTP, NFS, and Samba. Web Server: Apache, Tomcat, and Nginx. Database: MySQL, Postgres, MongoDB Cache & Proxy: Squid, Nginx, and Lusca. Mail Server: Postfix, Sendmail, IredMail, Qmail, and Zimbra. Automation: Ansible. Network Services: DNS, NTP, VPN, and DHCP. Identity Authentication: OpenLDAP, and FreeIPA. Security: IPtables, Firewalld, SELINUX Monitoring: Nagios, Zabbix, and Cacti. ● Virtualization and Cloud Computing KVM: Proxmox, RHEV, and OVIRT VMware: VSphere 5.x, VSphere 6.x Cloud: OpenStack Hyper-V ● Networking and Security Firewalls, Routers, Load Balancers: MikroTik, Cisco, Soniwalll and Pfsense. VPN: Management and configure Site-to-Site/VPN-as-Service (L2TP-PPTP/OVPN) ● VoIP Asterisk / Elastix / FreePBX / Issabel Hosted PBX Solutions. Asterisk Security Call Center Solutions (Vicidial,Goautodial). Custom Asterisk Development (PHPAGI,Bash Scripting). less
  • Hire dailas

    dailas

    Russian Federation
    $25 USD / hour
    System Administrator Asterisk
    Russian Federation
    5.6
    61 reviews $25 USD per hour
    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 less
  • Hire munirhayat

    munirhayat

    Pakistan
    $20 USD / hour
    VOIP Consultant
    Pakistan
    3.7
    7 reviews $20 USD per hour
    I am currently working in aviation industry and working on different asterisk projects. I have more than 5 years of experience in asterisk solution and more 8 years of experience in Linux and Networking. Bicom server SIP/extension/IVR and trunks Asterisk/Freepbx SIP/IAX/PRI trunks Asterisk/Freepbx dynamic ivr using...
    I am currently working in aviation industry and working on different asterisk projects. I have more than 5 years of experience in asterisk solution and more 8 years of experience in Linux and Networking. Bicom server SIP/extension/IVR and trunks Asterisk/Freepbx SIP/IAX/PRI trunks Asterisk/Freepbx dynamic ivr using text to speech engine and save DTMF feedback of users in Database.. Asterisk/Freepbx Dialplans Asterisk/Freepbx IVR , Automatic Call distribution Asterisk/Freepbx Queues Asterisk/Freepbx dynamic logins Asterisk/Freepbx Call Recordings Customization of asterisk based Voicemail service Asterisk/Freepbx based cost effective voicemail development using IBM Watson Speech Recognition API Realtime asterisk deployment Vicidial customizations and Integration with Asterisk servers Vicidial Carriers settings Vicidial Campaigns Vicidial auto dialer Vicidial agents Vicidial Ingroups Vicidial Leads and troub Programming: PHP, XML, JSON, JavaScript and Shell Scripting less
  • Hire jkaranm

    jkaranm

    Philippines
    $20 USD / hour
    Owner - JKM Marketing Services & Consultancy
    Philippines
    3.7
    2 reviews $20 USD per hour
    We can't please everyone but doing our very best and still maintained a good standing here. My company's business is to make yours effective & efficient. I own a small company doing outsourcing and digital marketing. You may check some sample works below from Data entry, Lead mining, email sending, Article Writing,...
    We can't please everyone but doing our very best and still maintained a good standing here. My company's business is to make yours effective & efficient. I own a small company doing outsourcing and digital marketing. You may check some sample works below from Data entry, Lead mining, email sending, Article Writing, to Proofreading/Editing, to Telemarketing, to Designs, etc. An experienced BPO Professional looking for clients for my company's services. Have worked in the areas of Lead Generation, Sales, Customer Service/Support, Data Entry/Processing, VA, Technical Support for many employers here in Freelancer & companies around the world. I do have a strong foundation in these areas. My company offers such as Telemarketing, Customer Service, Graphics Design, Technical Support, Data Entry, Research to name a few. If qualifications are suitable for you, please consider my small company's services for your next project. We were featured here in Freelancer and a Preferred Freelancer less
  • Hire ciscoterminal

    ciscoterminal

    Malaysia
    $50 USD / hour
    Chief Technology Officer
    Malaysia
    3.4
    3 reviews $50 USD per hour
    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 less
  • Hire gdmlnx

    gdmlnx

    Argentina
    $30 USD / hour
    Unix Consultor, Devops and Cloud Engineer.
    Argentina
    3.3
    2 reviews $30 USD per hour
    Unix (Solaris, Hp-UX, AIX). GNU/Linux (Red Hat, Slackware, Debian. Servidores/Clientes: Firewalling (iptables, ipchains,Nat,ipfw, ipfilter, Shorewall).Smb File Server. Advanced Power Virtualization on IBM systems HACMP Apache Web Server. Squid Proxy Server (proxy cache, transparent proxy). FTP Server(ftpd)DHCP...
    Unix (Solaris, Hp-UX, AIX). GNU/Linux (Red Hat, Slackware, Debian. Servidores/Clientes: Firewalling (iptables, ipchains,Nat,ipfw, ipfilter, Shorewall).Smb File Server. Advanced Power Virtualization on IBM systems HACMP Apache Web Server. Squid Proxy Server (proxy cache, transparent proxy). FTP Server(ftpd)DHCP server, DNS cache server (dnsmasq). SSH Server. Logical Volume Manager (LVM; GNU/LINUX, HP-UX) Svm (solaris volume manager) Veritas VM Servidores de Impresion(cups) Asterisk-Siemens-Alcatel.E1. SS7 - DSLAM - OLT automation and cloud : docker ansible AWS terraform ********************** +10 years Experience on Unix-like sistems , please go over my linkedin resume for further information. Red-hat cerfified : 120-172-655 Unix-LIke Systems Administration.- AIX Admin; pseries Power VM Red-Hat GNU/LINUX less
  • Hire ast3r1sk

    ast3r1sk

    Russian Federation
    $45 USD / hour
    Professional setup and support asterisk solutions
    Russian Federation
    5.0
    31 reviews $45 USD per hour
    Technical skills: -Asterisk custom solutions -Support and installation asterisk based PBX'es: FreePBX, Elastix, PBXinFlash, GoAutoDial and so on. - Experience in maintaining local area network (about 100 PC), VoIP network (over 20 Asterisk servers, more than 100 geographically dispersed telephone adapters heavy loaded...
    Technical skills: -Asterisk custom solutions -Support and installation asterisk based PBX'es: FreePBX, Elastix, PBXinFlash, GoAutoDial and so on. - Experience in maintaining local area network (about 100 PC), VoIP network (over 20 Asterisk servers, more than 100 geographically dispersed telephone adapters heavy loaded asterisk server - 1000 concurrent connections). - Set up Apache, PHP, MySQL, Asterisk, IPtables, nagios, zabbix, DHCP, TFTP, RAID, SoftRAID, FTP, RADIUS, RSA (LanBilling) - Skills shell (bash) programming. - Experience in developing and implementing solutions for the taxi service using AMI. - Experience in equipment setup: Linksys, Addpac, Adtran, Digium, Openvox, AllVoip, Cisco, Polycom, Drytek, Grandstream, Zyxel, Planet, Patton SmartNode, Nateks, KIRK (DECT), GOIP and others. less
  • Hire NewFuture338

    NewFuture338

    China
    $40 USD / hour
    A Passionate, Talented Freelancer Team
    China
    3.2
    1 review $40 USD per hour
    Hello, dear We are a team whose members are very experienced in Desktop Application Development, Mobile Games and Mobile Native App, Web Development, Web Scraping/Web Automation programming and Development. Our teammate's main skills are below: - C/C++/C#/.Net/Winforms/WPF(MVVM)/ASP.Net -...
    Hello, dear We are a team whose members are very experienced in Desktop Application Development, Mobile Games and Mobile Native App, Web Development, Web Scraping/Web Automation programming and Development. Our teammate's main skills are below: - C/C++/C#/.Net/Winforms/WPF(MVVM)/ASP.Net - Android(Java)/iOS(Objective-C/Swift) - Xamarin/IONIC/React - Assembly x86, IDA, OllyDebug, Reverse Engineering, Cryptography - React.js/Redux/Angular.js/Vue.js/Node.js - HTML/CSS/LESS/SASS/Javascript/PHP/RESTful API - Wordpress/Codeigniter/Laravel - MongoDB/MySQL - UI/UX design - Nginx/Apache - Ruby on Rails - Unity 2D/3D - Cocos2d-JS/Cocos2d-X We can speak English fluently, so we can keep smooth communication. We are able to dedicate 40~60hrs/week to your project and daily working hours are flexible. Currently, We are in GMT+8, but We can set our clock to your time for better communication. Best Regards. RuiHua.Z less
  • Hire drgold03

    drgold03

    China
    $50 USD / hour
    Web, App Development/ Web Scrape
    China
    3.1
    1 review $50 USD per hour
    Thanks for visiting my profile! I will do my best to satisfy clients. My skill: - PHP, APIs, React/React-Native, jQuery, Asp, Excel, Python, Angular, etc. - Wordpress, App, shopify, joomla - Woocommerce, ecommerce. - Payment integration , QR code - Google maps API, WebGL, ajax - Chatting and dating system. -...
    Thanks for visiting my profile! I will do my best to satisfy clients. My skill: - PHP, APIs, React/React-Native, jQuery, Asp, Excel, Python, Angular, etc. - Wordpress, App, shopify, joomla - Woocommerce, ecommerce. - Payment integration , QR code - Google maps API, WebGL, ajax - Chatting and dating system. - Scrape I promise quick turnaround times, unlimited revisions, great customer service and 100% quality work. Thank you!!! less

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