VoIP Developers For Hire

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Zobrazuje 63 výsledků
  • Zaměstnejte uživatele     mula9211
Zaměstnejte uživatele     mula9211

    mula9211 mula9211

    Ukraine $20 USD / hod.
    I have excellent skills in developing VOIP systems
    Ukraine
    6.1
    49 recenzí 49 recenzí $20 USD za hodinu
    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 méně
  • Zaměstnejte uživatele mula9211
  • Zaměstnejte uživatele     iemumair
Zaměstnejte uživatele     iemumair

    iemumair iemumair

    Pakistan $19 USD / hod.
    Network and System Engineer
    Pakistan
    3.2
    4 recenzí 4 recenzí $19 USD za hodinu
    A dynamic IT Engineer with 8 years plus experience of Systems and Networks. I have experience of End User Technical Support, Desktop Support, Network Design, Development, Operations, Maintenance, Routing & Switches, Firewalls and Load Balancer from the well-reputed organization. Working knowledge of major networking...
    A dynamic IT Engineer with 8 years plus experience of Systems and Networks. I have experience of End User Technical Support, Desktop Support, Network Design, Development, Operations, Maintenance, Routing & Switches, Firewalls and Load Balancer from the well-reputed organization. Working knowledge of major networking components & hardware components. Redesign and Re-engineering of existing networks for future growth. Configuring Network in a simulation environment such as Packet Tracer, GNS3, My expertise are given below ✅ Configuration of Cisco Firewalls, Routers & Switches ✅ Existing Network Connectivity Issues ✅ Expert in VPN (GRE, SSL, DMVPN, IPSec Site to Site). ✅ Routing Protocol (IPV4 and IPV6) ✅ Network Design, Troubleshooting in GNS3 & Cisco Packet Tracer ✅ Report Writing Guidance for Network ✅ Routing Protocols (Static and Dynamic) ✅ Technical Documentation & Report Writing ✅ Network Diagram using MS Visio *** Just A Trial Will Convince You. *** méně
  • Zaměstnejte uživatele iemumair
  • Zaměstnejte uživatele     Erewin
Zaměstnejte uživatele     Erewin

    Erewin Erewin

    Russian Federation $30 USD / hod.
    Voip developer
    Russian Federation
    6.6
    60 recenzí 60 recenzí $30 USD za hodinu
    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. méně
  • Zaměstnejte uživatele Erewin
  • Zaměstnejte uživatele     rakibulinux
Zaměstnejte uživatele     rakibulinux

    rakibulinux rakibulinux

    Bangladesh $30 USD / hod.
    Quick High-Quality Linux Support
    Bangladesh
    4.4
    5 recenzí 5 recenzí $30 USD za hodinu
    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 - Openware, OpenDAX, Cryptocurrency exchange deployment, Blockchain, Smart Contract setup - BTC Node, ETH Node, TRX Node, ERC20, Coinpayments, and more - 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 - Cocorico Marketplace - 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. #linux #jitsi méně
  • Zaměstnejte uživatele rakibulinux
  • Zaměstnejte uživatele     AhmedMFakkar
Zaměstnejte uživatele     AhmedMFakkar

    AhmedMFakkar AhmedMFakkar

    Egypt $25 USD / hod.
    Cisco Professional
    Egypt
    4.8
    17 recenzí 17 recenzí $25 USD za hodinu
    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. méně
  • Zaměstnejte uživatele AhmedMFakkar
  • Zaměstnejte uživatele     SherGhani
Zaměstnejte uživatele     SherGhani

    SherGhani SherGhani

    Pakistan $10 USD / hod.
    Senior System Admin
    Pakistan
    4.2
    3 recenzí 3 recenzí $10 USD za hodinu
    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. méně
  • Zaměstnejte uživatele SherGhani
  • Zaměstnejte uživatele     nitinbagdi20
Zaměstnejte uživatele     nitinbagdi20

    nitinbagdi20 nitinbagdi20

    India $30 USD / hod.
    ✔️Android || ✔️Web Application || ✔️IOS
    India
    3.9
    1 recenze 1 recenze $30 USD za hodinu
    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. méně
  • Zaměstnejte uživatele nitinbagdi20
  • Zaměstnejte uživatele     altr
Zaměstnejte uživatele     altr

    altr altr

    Ukraine $30 USD / hod.
    Sys Admin/Google DevOps with 10+ years experience.
    Ukraine
    5.5
    35 recenzí 35 recenzí $30 USD za hodinu
    - Certified Google Cloud Professional DevOps Engineer ! - 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...
    - Certified Google Cloud Professional DevOps Engineer ! - 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!!! méně
  • Zaměstnejte uživatele altr
  • Zaměstnejte uživatele     lawrence37
Zaměstnejte uživatele     lawrence37

    lawrence37 lawrence37

    United Kingdom $50 USD / hod.
    Senior Network / Server Engineer
    United Kingdom
    3.8
    3 recenzí 3 recenzí $50 USD za hodinu
    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. méně
  • Zaměstnejte uživatele lawrence37
  • Zaměstnejte uživatele     anujatrey
Zaměstnejte uživatele     anujatrey

    anujatrey anujatrey

    India $20 USD / hod.
    Developing Trending Mobile Solutions
    India
    3.6
    1 recenze 1 recenze $20 USD za hodinu
    I have more than 9 years of experience in development of Web and Mobile Projects. Proven records of clients around the world. I am new to freelancer.com and looking for some head start. I can do lot in : PHP, Laravel, React Native, React JS, iOS/Android Native Domain I have experience with: Finance, Ecommerce,...
    I have more than 9 years of experience in development of Web and Mobile Projects. Proven records of clients around the world. I am new to freelancer.com and looking for some head start. I can do lot in : PHP, Laravel, React Native, React JS, iOS/Android Native Domain I have experience with: Finance, Ecommerce, Custom Online Product designing, Social and On Demand Apps My Promise: You will never regret with my business relation and assuring you value deliveries. méně
  • Zaměstnejte uživatele anujatrey

, zde je několik offline freelancerů

, zde je několik offline freelancerů odpovídající ""