VoIP Developers For Hire

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  • Hire     Erewin
Hire     Erewin

    Erewin Erewin

    Russian Federation $30 USD / hour
    Voip developer
    Russian Federation
    6.5
    54 reviews 54 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     mula9211
Hire     mula9211

    mula9211 mula9211

    Ukraine $20 USD / hour
    I have excellent skills in developing VOIP systems
    Ukraine
    6.0
    37 reviews 37 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) - RESTfull API - Web Services & API for Mobile Application - Android Mobile Apps I have been supporting various termination equipment/hardware like TELES, 2N, ANTRAX, DINSTAR, GOIP less
  • Hire mula9211
  • Hire     FranMercedesG
Hire     FranMercedesG

    FranMercedesG FranMercedesG

    Dominican Republic $40 USD / hour
    Ing . Computer Systems
    Dominican Republic
    5.8
    66 reviews 66 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
  • Hire     abd4d5
Hire     abd4d5

    abd4d5 abd4d5

    Lebanon $35 USD / hour
    Network Engineer, CCNP Collaboration, CCNP R&S
    Lebanon
    5.4
    22 reviews 22 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     rakibulinux
Hire     rakibulinux

    rakibulinux rakibulinux

    Bangladesh $30 USD / hour
    Quick High-Quality Linux Support
    Bangladesh
    4.4
    4 reviews 4 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
    4.4
    16 reviews 16 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     otrzemvoup
Hire     otrzemvoup

    otrzemvoup otrzemvoup

    Brazil $15 USD / hour
    IT technician specialized in VoIP
    Brazil
    4.0
    9 reviews 9 reviews $15 USD per hour
    I'm a Brazilian technician living in Curitiba state of Paraná in Brazil. I have 10+ years of experience working as a Level-2/NOC support agent for a US voip company, I'm specialized on VoIP/SIP solutions, and as a developer building web-sites , web-apps, and automation scripts, to integrate processes and optimize...
    I'm a Brazilian technician living in Curitiba state of Paraná in Brazil. I have 10+ years of experience working as a Level-2/NOC support agent for a US voip company, I'm specialized on VoIP/SIP solutions, and as a developer building web-sites , web-apps, and automation scripts, to integrate processes and optimize tasks. websites : https://www.logikanet.com , https://ipcam.logikanet.com, https://btc.logikanet.com, http://www.dentistas.curitiba.br https://voipblast.logikanet.com http://carwash.logikanet.com whatsApp : whatsapp.logikanet.com less
  • Hire otrzemvoup
  • 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 optimisation less
  • Hire lawrence37
  • Hire     altr
Hire     altr

    altr altr

    Ukraine $30 USD / hour
    System Admin with more than 10 years experience
    Ukraine
    5.4
    33 reviews 33 reviews $30 USD per hour
    - VoIP Expert with more than 10 years experience in FreePBX, Elastix, PBX in a Flash (PIAF), ViciDial and other Asterisk-based systems. - ASTERISK + MICROSOFT TEAMS INTEGRATION - Freeswitch and Sangoma solutions expert - Vicibox and Vicidial! - A2Billing Expert (Installation, Administration, Customization) -...
    - VoIP Expert with more than 10 years experience in FreePBX, Elastix, PBX in a Flash (PIAF), ViciDial and other Asterisk-based systems. - ASTERISK + MICROSOFT TEAMS INTEGRATION - Freeswitch and Sangoma solutions expert - Vicibox and Vicidial! - A2Billing Expert (Installation, Administration, Customization) - Chan_dongle comprehensive solutions (GSM gateways, SIM Card diversion, Calls and SMS forwarding, SMS2EMAIL...) - Administering and configuring of PRI and FXO/FXS cards (Digium, Sangoma...) - Administering and configuring Mitel, Cisco, Linksys, Yealink phones and softphones. Provisioning solutions. - Administering and configuring GSM Gateways: GoIP, Etel, OpenVOX... - ANTIBLOCK IP AND TRAFFIC COMPRESSION solutions for censored countries such as Pakistan, Iran, China... - Unix/Linux/Windows admin and script writer - USB over IP solutions for Windows and Linux - Expert in monitoring solutions (Zabbix, Prometheus, Grafana) - Web Security Expert: security audits, ethical hacking... - Post-project support included as well!!! less
  • Hire altr
  • Hire     dailas
Hire     dailas

    dailas dailas

    Russian Federation $25 USD / hour
    System Administrator Asterisk
    Russian Federation
    5.7
    64 reviews 64 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

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