VoIP Developers For Hire

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Showing 25 results
  • Hire Erewin

    Erewin

    Russian Federation $30 USD / hour
    Voip developer
    Russian Federation
    6.2
    41 reviews $30 USD per hour
    Hello, my friends! There are what i have done in this 2019 year. ☑ Webrtc2sip server with Encrypted RTP ☑ Callback + AMD based on FreePBX ☑ click2call php script for Asterisk based PBXs ☑ deploy opensips server (with web panel) with 200cps\6000 concurrent calls ☑ deploy zabbix monitoring system for voip servers ☑...
    Hello, my friends! There are what i have done in this 2019 year. ☑ Webrtc2sip server with Encrypted RTP ☑ Callback + AMD based on FreePBX ☑ click2call php script for Asterisk based PBXs ☑ 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, Android ☑ Bluetooth-Asterisk-GSM Gateway, ☑ SIP Load-Balancers Between, ☑ TLS SIP Implementation, ☑ Freepbx Survey module, ☑ Whitelist Kamailio sip server for millions numbers in db, ☑ AGI -> PAMI scripts convert to make server more faster for wholesale, I am voip developer who loves his job. Be free to ask me any question. less
  • Hire arodrigue

    arodrigue

    Dominican Republic $35 USD / hour
    Asterisk/Linux Expert /PHP/MySQL/Python Dev 14 yrs
    Dominican Republic
    6.0
    65 reviews $35 USD per hour
    Hello my name is Ambiorix, welcome to my profile. I'm an active member of the Asterisk community since 2007 . I'm always willing to make any demo at no cost before you hire me, just to make sure I will provide you exactly what you are looking for. I have extensive, practical and relevant industry experience in the...
    Hello my name is Ambiorix, welcome to my profile. I'm an active member of the Asterisk community since 2007 . I'm always willing to make any demo at no cost before you hire me, just to make sure I will provide you exactly what you are looking for. I have extensive, practical and relevant industry experience in the following area : -> Asterisk and FreePBX customizations. -> Custom Asterisk Development (PHPAGI,Bash Scripting). -> Hosted PBX Solutions (Amazon AWS, DIgitalOcean, SolarVPS). -> Recording System -> Call Reporting (CDR) -> Complex IVR Solutions (Databases Integrations, Web app Integration). -> Call Center Solutions (Vicidial,Goautodial). -> Broadcasting System. -> Technical Consultancy. -> Asterisk & MYSQL-PHP Integration. -> Asterisk Security (Fail2ban, IPTABLES). -> PHP and MYSQL Developer. less
  • Hire iKcon

    iKcon

    India $25 USD / hour
    A2billing. Free/FusionPBX. Vicidial. ASTPP. GoAuto
    India
    6.1
    34 reviews $25 USD per hour
    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. less
  • Hire FranMercedesG

    FranMercedesG

    Dominican Republic $40 USD / hour
    Ing . Computer Systems
    Dominican Republic
    5.5
    50 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 munirhayat

    munirhayat

    Pakistan $20 USD / hour
    VOIP Consultant
    Pakistan
    3.9
    8 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 ramygoda1590

    ramygoda1590

    Egypt $20 USD / hour
    Network Expert Engineer
    Egypt
    3.3
    9 reviews $20 USD per hour
    NOTE: YOU CAN CONTACT ME ON THE ACCOUNT IN THE BELOW url AS THIS ACCOUNT HAS SOME TECHNICAL ISSUES THAT IS BEING SOLVED BY FREELANCER TECHNICAL SUPPORT TEAM. url: https://www.freelancer.com/u/RamyMG?w=f 1) I'm now working for orange business services as a network problem expert for 1 year and 2 months. 2) i was...
    NOTE: YOU CAN CONTACT ME ON THE ACCOUNT IN THE BELOW url AS THIS ACCOUNT HAS SOME TECHNICAL ISSUES THAT IS BEING SOLVED BY FREELANCER TECHNICAL SUPPORT TEAM. url: https://www.freelancer.com/u/RamyMG?w=f 1) I'm now working for orange business services as a network problem expert for 1 year and 2 months. 2) i was working as an incident management specialist in orange business services for 1 year and 10 months. 3) i was working as a technical support representative at north star technology for 1 year and 9 months. less
  • Hire MSingh19

    MSingh19

    India $50 USD / hour
    IT, Network & Cloud Consultant.
    India
    3.0
    1 review $50 USD per hour
    IT Consultant & Network Solution Architect I have more than 15 years of Industry experience especially in IT networks, administration, big data & Cloud Technologies. I can help with; Optimize cloud and IT resources to reduce overall cost. Good hands on expore to manage AWS and Azure cloud services. Design networks...
    IT Consultant & Network Solution Architect I have more than 15 years of Industry experience especially in IT networks, administration, big data & Cloud Technologies. I can help with; Optimize cloud and IT resources to reduce overall cost. Good hands on expore to manage AWS and Azure cloud services. Design networks and provide IT solutions based on specific requirements. Implementations, configuration and management of servers e.g. Linux Implementation, configuration & management of Virtualized environments e.g. Citrix & VMware. Provide VPN solutions e.g. interconnecting remote sites, Remote Access Solution for remote users. Good exposure on Palo Alto & OpenVPN VPN solutions. Configuration and mangement of Hadoop services e.g. Cloudera & Hortonworks. Configuration and management of LAN, WAN and routing devices specially Cisco products. Implement and management of security solutions especially Palo Alto, Cyberoam and Cisco products. less
  • Hire AbrahamBU

    AbrahamBU

    Saudi Arabia $30 USD / hour
    Senior Network /VoIP Engineer and Consultant.
    Saudi Arabia
    5.5
    30 reviews $30 USD per hour
    Full Time Dedicated Freelancer I am a very resourceful, loyal and reliable person, working long-term either as solo one man army or running my own tech nerd teams that does R&D/DevOps beyond your expectations. 9+ Years Robust Experience as a Lead Engineer. Master in High-end VoIP topologies and integration with...
    Full Time Dedicated Freelancer I am a very resourceful, loyal and reliable person, working long-term either as solo one man army or running my own tech nerd teams that does R&D/DevOps beyond your expectations. 9+ Years Robust Experience as a Lead Engineer. Master in High-end VoIP topologies and integration with other components of OSS/BSS, Telecom Networks and CRM products. CCIE Level Network Knowledge and Robust Telecom Experience. (NOC Management) Expert in WebRTC and Asterisk along with a deep understanding and experience in Signalling and Media protocols, offering military grade encrypted call and messaging solutions. Experienced in enterprise carrier networks , supervising high-end Voice/Data offloading, ISP/wISP and carrier wifi solutions, with deep understanding of the whole image of the network and processes involved. hands on experience on various VoIP/Network tech and devices Ability to train, motivate and supervise a team A team that success is a team of trust ;) 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

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