VoIP Developers For Hire

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Showing 78 results
  • Hire     arodrigue
Hire     arodrigue

    arodrigue arodrigue

    Dominican Republic $35 USD / hour
    Asterisk/Linux Expert /PHP/MySQL/Python Dev 16 yrs
    Dominican Republic
    6.2
    80 reviews 80 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 arodrigue
  • 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
    47 reviews 47 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     agilepksolutions
Hire     agilepksolutions

    agilepksolutions agilepksolutions

    Pakistan $50 USD / hour
    .NET(C#,MVC,Desktop,Web) +8 years experience
    Pakistan
    5.3
    1 review 1 review $50 USD per hour
    I am developing .NET solutions from +7 years and I provided successful solutions for my great clients all over the world. Few of them I would like to mention :). 1. Alphacell (South Africa) Company having business of selling virtual products through Kiosks/Machines. Provided complete management system for...
    I am developing .NET solutions from +7 years and I provided successful solutions for my great clients all over the world. Few of them I would like to mention :). 1. Alphacell (South Africa) Company having business of selling virtual products through Kiosks/Machines. Provided complete management system for whole system and currently working on hardware level re implementation of Kiosk software. (Bill Printer, Currency, Coins Hopper etc. ). 2. Brain Behind and Fintrax (Austria/UK) Provided shopping vouchers validations through Kiosk terminal at airport system having Passport and vouchers scanning hardware support. 3. Jack Roe USA (USA) I am part of development for this great company from USA who have their solution for Cinema theaters and Retail business. My main part in development is to support Credit Card processing through payment terminals. The one and only one skill I made myself expert is C# and MVC in web solutions on .NET plateform. less
  • Hire agilepksolutions
  • Hire     ramygoda1590
Hire     ramygoda1590

    ramygoda1590 ramygoda1590

    Egypt $20 USD / hour
    Network & System Administrator
    Egypt
    3.7
    12 reviews 12 reviews $20 USD per hour
    I have an excellent experience in networking/Linux/windows/vpn. please just ping me on freelancer chat to have a short discussion on your project. below is a brief on my experience: This is ramy mohamed gouda, I'm a network and system administrator. I have been working in networking for more than 5 years. I'm...
    I have an excellent experience in networking/Linux/windows/vpn. please just ping me on freelancer chat to have a short discussion on your project. below is a brief on my experience: This is ramy mohamed gouda, I'm a network and system administrator. I have been working in networking for more than 5 years. I'm certified CCNP R&S, Comptia A+, ccna cyber ops. I have an excellent knowledge in: 1) Cisco devices (routers, switches), routing protocols, IPSEC, ASA, wireless, linux, ubuntu. 2) excellent knowledge in simulation tools like Esxi, vmware WorkStation, virtual-box, GNS-3, packet tracers and EVE-NG. 3) installing windows servers, linux servers and troubleshooting them. 4) I have an excellent knowledge in setting up VPN (IPSEC, OPENVPN, DUO Authentication). 5) I have an excellent experience in writing technical reports. I have done a lot of projects in routing and switching and wireless on this simulation tools and also in real life in my work at Orange. i will be glad to have the chance to help you anytime, just send me a message and no problem with the budget. Regards, Ramy less
  • Hire ramygoda1590
  • 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     abd4d5
Hire     abd4d5

    abd4d5 abd4d5

    Lebanon $35 USD / hour
    Network Engineer, CCNP Collaboration, CCNP R&S
    Lebanon
    5.4
    24 reviews 24 reviews $35 USD per hour
    High technical expertise based on years of experience in Cisco Gold Partner integrator: - Implement Routing, Switching, Wireless, and Network Security projects(ASA Configuration) - Implementation and integration of Unified Collaboration projects based on Cisco UC Technology. - Cisco Contact Center deployments with...
    High technical expertise based on years of experience in Cisco Gold Partner integrator: - Implement Routing, Switching, Wireless, and Network Security projects(ASA Configuration) - Implementation and integration of Unified Collaboration projects based on Cisco UC Technology. - Cisco Contact Center deployments with Scripting ( UCCX, UCCE, PCCE ). - Deploy and integrate Session border element SBC (Cisco CUBE, Ribbon SBC,..) - Implement and support Cloud-based and on-premises, Video conferencing solutions (WebEx, Zoom, MS teams) - Configuration, testing, operation, maintenance, and management of voice - Cisco IOS Voice Protocols based on SIP, MGCP and - Perform analysis and diagnosis of complex networking problems including Unified Communications and Collaboration solutions (CUCM, CME, CUIC, CUE, CUC...) - Configuring Cisco L2 & L3 Switches (STP, VTP, VLANs, and Network High Availability). - Configured Wireless technologies, cisco WLC and Cloud-based AP (Meraki). - Good experience in Installing, deploying, and integration open-source voice systems (asterisk, FusionPbx, FreePBX). - Deploy various kinds of cloud and on-prime PBX (3CX, FreePbx,...) and integrate with MS team, Skype of Business... - Install and integrate Billing systems (Imagicle BillyBlues, ASTPP) less
  • Hire abd4d5
  • Hire     tonoy0167
Hire     tonoy0167

    tonoy0167 tonoy0167

    Bangladesh $10 USD / hour
    Routing & Switching Network Engineer
    Bangladesh
    1.9
    1 review 1 review $10 USD per hour
    I have been working in core network in BD largest ISP more than 6 years. I am CCNA and CCNA security certified.So Cisco based network solutions are the most powerful side of me. I am expert in network simulation software like GNS3 , Cisco Packet Tracer, Riverbed Modeler. Core Technical Skills: ================== #...
    I have been working in core network in BD largest ISP more than 6 years. I am CCNA and CCNA security certified.So Cisco based network solutions are the most powerful side of me. I am expert in network simulation software like GNS3 , Cisco Packet Tracer, Riverbed Modeler. Core Technical Skills: ================== # Routing Protocol-- Static, OSPF, BGP, EIGRP, RIP. # Design and implement small, medium and large scale enterprise networks. # VLANs, Spanning Tree Protocol (STP), VTP, LACP, HSRP. #L2-MPLS,L3-MPLS # DHCP, GRE, IPSEC. Hands-On Experience: ===================== # Cisco Routers (NCS 5500, ASR 1006, 7606, 7604, 7301, 7206) # Cisco Switches(Nexus 2K, Nexus 3K, Nexus 7K, Catalist 2900 series, Catalist 3500 series, 4500 Series, Small Business SF-300) # Juniper Routers (MX 104, ACX 2200) # Mikrotik Router (CCR 1036, CCR 1072, 3011, RB 450) # Other Vendor devices (Netgear, BDcom, Huawei) less
  • Hire tonoy0167
  • Hire     FranMercedesG
Hire     FranMercedesG

    FranMercedesG FranMercedesG

    Dominican Republic $40 USD / hour
    Ing . Computer Systems
    Dominican Republic
    5.8
    67 reviews 67 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 FranMercedesG

Hey , here are some offline freelancers

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