VoIP Developers For Hire

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Showing 55 results
  • Hire     AhmedMFakkar
Hire     AhmedMFakkar

    AhmedMFakkar AhmedMFakkar

    Egypt $25 USD / hour
    Cisco Professional
    Egypt
    4.7
    17 reviews 17 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     mula9211
Hire     mula9211

    mula9211 mula9211

    Ukraine $20 USD / hour
    I have excellent skills in developing VOIP systems
    Ukraine
    6.1
    46 reviews 46 reviews $20 USD per hour
    I have provided a wide range of IT solutions including VoIP Software, Websites & Mobile Apps development for small businesses and start-up companies as well as for large enterprises. I have expertise in VoIP/SIP, FreeSWITCH, FusionPBX, ASTPP, OpenSIPs, Kamailio, WebRTC, MediaProxy, RTPproxy, RTPengine, Asterisk,...
    I have provided a wide range of IT solutions including VoIP Software, Websites & Mobile Apps development for small businesses and start-up companies as well as for large enterprises. I have expertise in VoIP/SIP, FreeSWITCH, FusionPBX, ASTPP, OpenSIPs, Kamailio, WebRTC, MediaProxy, RTPproxy, RTPengine, Asterisk, FreePBX, A2billing, Linux & OpenSource Consulting, MySQL, PostgreSQL, PHP, Yii, Apache, Nginx, Android,Odoo I have developed following VoIP and IT solutions: - CRM integrations through APIs - Class4 & Class5 Soft Switches - ASTPP Billing/calling card - SIP Load Balance & Fail-Over - IVR Application - Fax over IP (FoIP) - T38 Supported FAX Server - Voice broadcast ring less/conventional - SIP Messaging Server - High scalable Least Cost Routing(LCR) with Fail-Over - Session Border Controller(SBC) - Press 1 solutions - Web Services & API for Mobile Application - Mobile Apps I have been supporting various termination equipment/hardware like TELES, 2N, ANTRAX, DINSTAR, GOIP less
  • Hire mula9211
  • Hire     Erewin
Hire     Erewin

    Erewin Erewin

    Russian Federation $30 USD / hour
    Voip developer
    Russian Federation
    6.6
    60 reviews 60 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
    5.6
    35 reviews 35 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     barmex
Hire     barmex

    barmex barmex

    Russian Federation $20 USD / hour
    System and network professional.
    Russian Federation
    4.7
    15 reviews 15 reviews $20 USD per hour
    Hello, dear friend. You can hire me if you want: 1) Setup and fix servers; 2) Setup and fix VoIP; 3) Deploy and setup push notifications gateways (Flexisip + Linphone); 3) Setup and fix network devices; 4) Resolve some issues with IT equipment. I have over 15 years of experience in wide IT spheres. Welcome and get...
    Hello, dear friend. You can hire me if you want: 1) Setup and fix servers; 2) Setup and fix VoIP; 3) Deploy and setup push notifications gateways (Flexisip + Linphone); 3) Setup and fix network devices; 4) Resolve some issues with IT equipment. I have over 15 years of experience in wide IT spheres. Welcome and get good service! less
  • Hire barmex
  • Hire     AntonioTejeda86
Hire     AntonioTejeda86

    AntonioTejeda86 AntonioTejeda86

    Mexico $40 USD / hour
    Linux, Mysql, Asterisk, Web Development
    Mexico
    4.6
    7 reviews 7 reviews $40 USD per hour
    I have been responsible for the proposal, installation and support of many projects around the world, especially for large resort hotels, I have extensive experience in open source, Linux, Database.
    I have been responsible for the proposal, installation and support of many projects around the world, especially for large resort hotels, I have extensive experience in open source, Linux, Database. less
  • Hire AntonioTejeda86
  • Hire     suresh250498
Hire     suresh250498

    suresh250498 suresh250498

    India $10 USD / hour
    Mobile App Developer , Programmer , Designer
    India
    4.1
    4 reviews 4 reviews $10 USD per hour
    Techie with hands on knowledge in developing native mobile applications and web apps , logo designing and WebRTC - full time freelancer
    Techie with hands on knowledge in developing native mobile applications and web apps , logo designing and WebRTC - full time freelancer less
  • Hire suresh250498
  • Hire     SherGhani
Hire     SherGhani

    SherGhani SherGhani

    Pakistan $10 USD / hour
    Senior System Admin
    Pakistan
    4.2
    3 reviews 3 reviews $10 USD per hour
    To provide specifically designed digital marketing services to startups, small businesses and corporate businesses who are optimistic about taking deserved advantage of modern technology and digital world for effective business growth.
    To provide specifically designed digital marketing services to startups, small businesses and corporate businesses who are optimistic about taking deserved advantage of modern technology and digital world for effective business growth. less
  • Hire SherGhani
  • Hire     nitinbagdi20
Hire     nitinbagdi20

    nitinbagdi20 nitinbagdi20

    India $30 USD / hour
    ✔️Android || ✔️Web Application || ✔️IOS
    India
    3.9
    1 review 1 review $30 USD per hour
    Dear Client, My team has committed professionals who can help you in every aspect of Web/Mobile Application development. We have a talented pool of technical professionals with experience on the latest technology solutions for global business purchasers. Technical Skills: ✔️✔️ MEAN, MERN & LAMP stack...
    Dear Client, My team has committed professionals who can help you in every aspect of Web/Mobile Application development. We have a talented pool of technical professionals with experience on the latest technology solutions for global business purchasers. Technical Skills: ✔️✔️ MEAN, MERN & LAMP stack development ✔️✔️ Chat Bot ✔️✔️ Mobile Development (Android, IOS, Hybrid) ✔️✔️ PHP (Laravel, Core PHP, MVC) ✔️✔️ Designing (Website, Graphic, Logo Design, Mobile UX/UI Design) ✔️✔️Social Network Integration - Gmail, Facebook, LinkedIn, Twitter, Instagram, Youtube We do our 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, security and performance. Let's connect to discuss and strategize your idea. I will help you to bring the best product to market. less
  • Hire nitinbagdi20
  • 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 20 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 20 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 Wordpress speed optimisation both server side and wordpress itself. less
  • Hire lawrence37

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