VoIP Developers For Hire

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Showing 39 results
  • Hire     Erewin
Hire     Erewin

    Erewin Erewin

    Russian Federation $30 USD / hour
    Voip developer
    Russian Federation
    6.5
    51 reviews 51 reviews $30 USD per hour
    Hello, my friends! There are what i have done in this 2019-2020 year. 2020: ☑ Ready autodialer based on Issabel in 1 hour with forms and reports. ☑ Ansible script for deploy drachtio and simple JS app ☑ Email2Fax gateway ☑ Webrtc client with web frontend based on SIPJS. ☑ Customize Asterisk for License checking....
    Hello, my friends! There are what i have done in this 2019-2020 year. 2020: ☑ Ready autodialer based on Issabel in 1 hour with forms and reports. ☑ Ansible script for deploy drachtio and simple JS app ☑ Email2Fax gateway ☑ Webrtc client with web frontend based on SIPJS. ☑ Customize Asterisk for License checking. Written on C inside source files. 2019: ☑ 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 Erewin
  • Hire     RafimKs
Hire     RafimKs

    RafimKs RafimKs

    India $40 USD / hour
    Expert System, Network & VOIP Administrator
    India
    5.3
    30 reviews 30 reviews $40 USD per hour
    Top 1% in the Freelancer.com Community. I am excited to offer 12 years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your...
    Top 1% in the Freelancer.com Community. I am excited to offer 12 years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft(Active Directory, DNS,DHCP, RDS,SQL Server(DB Admin),SharePoint, - Hyper-V, Exchange(All Versions &O365)Azure) - VMWare (ESXi, VCenter) - Citrix (XenApp, XenCenter) - Antivirus(Symantec(SEP),Mcafee(EPO),Kaspersky) - Linux (Ubuntu, CentOS,Debian) - Cloud(MS Azure,AMAZON AWS ,Google GCP,OVH and Digital Ocean) - Storage(Synology,QNAP,FreeNAS,WD,Dell and HP) - VOIP ( Avaya,3CX,Yeastar,XCally,GrandStream & FreePBX) - Firewalls (Fortinet, Sonicwall, Sophos, ASA,WatchGuard&PFSense) - Routers (Cisco, Ubiquiti) - Servers (HP Proliant Servers) & (Dell/EMC 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" less
  • Hire RafimKs
  • Hire     rakibulinux
Hire     rakibulinux

    rakibulinux rakibulinux

    Bangladesh $30 USD / hour
    Quick High-Quality Linux Support
    Bangladesh
    4.3
    3 reviews 3 reviews $30 USD per hour
    Thanks for reading my profile. My name is Rakib. I have included real screenshots into my freelancer profile that prove my technological capabilities and help you understand whether i am fit for your job or not!! I am a professional Linux System Admin for Cutting-Edge open source Technology. My Technology...
    Thanks for reading my profile. My name is Rakib. I have included real screenshots into my freelancer profile that prove my technological capabilities and help you understand whether i am fit for your job or not!! I am a professional Linux System Admin for Cutting-Edge open source Technology. My Technology Stack ================== - Git, GitHub, GitLab - Ubuntu, CentOS, Debian - AWS, Digital Ocean, Google Cloud, Azure, Linode, Vultr - WordPress, Joomla, Drupal - Jitsi Meet, OpenMeet, BigBlueButton, Zoom, Video Conference - VOIP using Asterisk, Kazoo, FreePBX - SMS Gateway, SMPP setup - Cryptocurrency exchange development, Blockchain, Smart Contract setup - Docker, Ansible, Puppet, Vagrant, Capistrano, Kubernetes, Netdata Let's Get To Work Now! If I apply your posting projects that means I'm interested in your projects and I have the confidence to deliver this on time. You can pay me after your job is done & you are happy to pay. Please send me a message so that we can discuss it more. less
  • Hire rakibulinux
  • Hire     AhmedMFakkar
Hire     AhmedMFakkar

    AhmedMFakkar AhmedMFakkar

    Egypt $25 USD / hour
    Cisco Professional
    Egypt
    4.3
    14 reviews 14 reviews $25 USD per hour
    I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and...
    I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and implement medium and large scale enterprise networks. - Expertise of VPN technologies such as, OpenVPN, IPsec, L2TP, PPTP, SSL, etc. - Routing technologies RIP, OSPF, EIGRP, ISIS, BGP, etc. - Switching technologies VLANs, STP, VTP, Etherchannel, HSRP, etc. My hands-on experience, - Cisco routers (ASR 1K & 9k, 2900, 2800), Switches (Nexus 9000, Nexus 7000, Nexus 3000, CAT 6500, CAT 3750, CAT 2900, SG- 300, SG-500) and Firewalls (ASA 5505, 5506x). - Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei routers NE-40, NE5000E and Switches Quidway S2700 and S5300. - HP Switches procurve 3500 and procurve 5900. less
  • Hire AhmedMFakkar
  • Hire     lawrence37
Hire     lawrence37

    lawrence37 lawrence37

    United Kingdom $50 USD / hour
    Senior Network / Server Engineer
    United Kingdom
    3.8
    3 reviews 3 reviews $50 USD per hour
    I have over 15 years system administration experience with a number of distributions of linux / unix and windows server, working for a large number of blue chip companies here in the UK. Skill-List (Including but not limited to): Windows 2000-2016 Server Exchange 2003-2016, Office365 Linux / Unix Administration SAN...
    I have over 15 years system administration experience with a number of distributions of linux / unix and windows server, working for a large number of blue chip companies here in the UK. Skill-List (Including but not limited to): Windows 2000-2016 Server Exchange 2003-2016, Office365 Linux / Unix Administration SAN Storage (NetApp, EMC Clariion, HP MSA/EVA/Lefthand) Server Virtualization (Vmware ESX, XenServer, Openstack) Desktop Virtualization (Vmware View, Xen Desktop) Application Virtualization (Thinapp, Xenapp) Networking (Cisco, Juniper, HP, Extreme, Ubiquiti) Firewall / IDS (Cisco, Fortigate, Juniper) Backup (CA Arcserve, HP Data protector, R1Soft, Veeam) Server administration (MsSQL, MySQL, Oracle (inc forms & reports), InnoDB, IIS, Apache, SCCM, WSUS) VoIP Solutions (Nortel, Avaya, Shoretel, Asterisk, FreePBX) Penetration Testing / Server Security/Hardening WHMCS, DirectAdmin, cPanel, Webmin AWS, Azure Config/Management less
  • Hire lawrence37
  • Hire     nitinbagdi20
Hire     nitinbagdi20

    nitinbagdi20 nitinbagdi20

    India $10 USD / hour
    Android || Web Application || IOS
    India
    3.6
    1 review 1 review $10 USD per hour
    I am a full stack Android Application Developer. Can add value to your business/personal life by developing an artificial "you" in the form of software which can deal on behalf of you. I do my research, come up with the best solution and develop an application that is smooth and easy to navigate, awesome looking and...
    I am a full stack Android Application Developer. Can add value to your business/personal life by developing an artificial "you" in the form of software which can deal on behalf of you. I do my research, come up with the best solution and develop an application that is smooth and easy to navigate, awesome looking and most importantly with great quality and performance. Let's connect to discuss and strategize your idea. I will help you to bring the best product to market. - Nitin less
  • Hire nitinbagdi20
  • Hire     dailas
Hire     dailas

    dailas dailas

    Russian Federation $25 USD / hour
    System Administrator Asterisk
    Russian Federation
    5.7
    63 reviews 63 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 dailas
  • Hire     izafievsky
Hire     izafievsky

    izafievsky izafievsky

    Russian Federation $50 USD / hour
    Telecom Expert, Hardware and Software Developer
    Russian Federation
    3.6
    3 reviews 3 reviews $50 USD per hour
    Want to setup your Avaya or Cisco voice system to work with remore users? Just ask me how!! More than 10 years experience in telecom, especially voice and data networking. FPGA development and software development (also for embedded systems)
    Want to setup your Avaya or Cisco voice system to work with remore users? Just ask me how!! More than 10 years experience in telecom, especially voice and data networking. FPGA development and software development (also for embedded systems) less
  • Hire izafievsky
  • Hire     vickvoip15
Hire     vickvoip15

    vickvoip15 vickvoip15

    Pakistan $10 USD / hour
    VoIP & Cloud Professional
    Pakistan
    4.7
    16 reviews 16 reviews $10 USD per hour
    "“He knows perfectly about voip system. Fast respond, and did the work well. Would like to recommend him if you're facing voip problem" Asterisk • System Integration, from small office to carrier grade • Custom applications • Billing solutions • Advanced AGI scripting • A2Billing • Billing customization • Callback...
    "“He knows perfectly about voip system. Fast respond, and did the work well. Would like to recommend him if you're facing voip problem" Asterisk • System Integration, from small office to carrier grade • Custom applications • Billing 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 • FreePBX Integration • WebRTC with FreePBX Call Center • 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 Advanced Skills (Specialties) • IVR specialist in asterisk • Advanced Dialplan in asterisk • Training on Asterisk • Advanced Call Recording Solution using Asterisk less
  • Hire vickvoip15
  • Hire     sricharanrekanar
Hire     sricharanrekanar

    sricharanrekanar sricharanrekanar

    India $100 USD / hour
    Senior Network Design Engineer
    India
    2.5
    2 reviews 2 reviews $100 USD per hour
    Network Engineer with 9+ years of experience in Support of large-scale multi-vendor Local and Wide Area networks. Good understanding of TCP/IP, specifically relating to routing, switching, wireless LAN with CCNP Routing and switching Certified. Extensive hands-on experience with Cisco routers, Catalyst switches &...
    Network Engineer with 9+ years of experience in Support of large-scale multi-vendor Local and Wide Area networks. Good understanding of TCP/IP, specifically relating to routing, switching, wireless LAN with CCNP Routing and switching Certified. Extensive hands-on experience with Cisco routers, Catalyst switches & Nexus switches, Meraki WLAN, Cisco ASA. less
  • Hire sricharanrekanar

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