VoIP Developers k zaměstnání

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  • Online Users
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Zobrazuje 74 výsledků
  • Zaměstnejte uživatele     abusayed2004
Zaměstnejte uživatele     abusayed2004

    abusayed2004 abusayed2004

    Bangladesh $40 USD / hod.
    Asterisk PBX, SIP, Linux, Cloud, DevOps, Security
    Bangladesh
    6.5
    63 recenzí 63 recenzí $40 USD za hodinu
    I am currently seeking long-term remote and onsite job opportunities. With 13 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, Mysql, and Linux customization. I...
    I am currently seeking long-term remote and onsite job opportunities. With 13 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, Mysql, and Linux customization. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Linux - Hosting Systems Administration & Monitoring - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimization - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information. méně
  • Zaměstnejte uživatele abusayed2004
  • Zaměstnejte uživatele     voipfreelancer30
Zaměstnejte uživatele     voipfreelancer30

    voipfreelancer30 voipfreelancer30

    India $25 USD / hod.
    VoIP/SIP, OpenSIPS, Kamailio, FreeSWITCH,
    India
    4.3
    2 recenzí 2 recenzí $25 USD za hodinu
    I have 6 year of experience in VoIP domain and using Opensips, Kamailio and freeswitch application server. I have expertise in VoIP/SIP, OpenSIPs, Kamailio, FreeSWITCH, WebRTC, MediaProxy, RTPproxy, RTPengine, MySQL, PostgreSQL. I have developed following VoIP and IT solutions: - Class4 & Class5 Soft Switches - SIP...
    I have 6 year of experience in VoIP domain and using Opensips, Kamailio and freeswitch application server. I have expertise in VoIP/SIP, OpenSIPs, Kamailio, FreeSWITCH, WebRTC, MediaProxy, RTPproxy, RTPengine, MySQL, PostgreSQL. I have developed following VoIP and IT solutions: - Class4 & Class5 Soft Switches - SIP Proxy & Redirect Server - SIP Load Balance & Fail-Over - Session Border Controller(SBC) - HA setup with OpenSIPS, Kamailio - STIR/SHAKEN Feature - OpenSIPS + MS Teams Configuration - Presence Server méně
  • Zaměstnejte uživatele voipfreelancer30
  • Zaměstnejte uživatele     alimmabi
Zaměstnejte uživatele     alimmabi

    alimmabi alimmabi

    Jordan $20 USD / hod.
    CCIE | VoIP | Linux | Security | Networking | SQL
    Jordan
    3.4
    9 recenzí 9 recenzí $20 USD za hodinu
    I'm Ali, your go-to IT Consultant. With a stellar background as an ex-Cisco TAC expert and holding CCIE #59743, I bring over a decade of experience in the below key skills: -IT Consulting and Systems Integration. -Strategic planning for IT network development and acquiring new features. -Experienced Network Trainer...
    I'm Ali, your go-to IT Consultant. With a stellar background as an ex-Cisco TAC expert and holding CCIE #59743, I bring over a decade of experience in the below key skills: -IT Consulting and Systems Integration. -Strategic planning for IT network development and acquiring new features. -Experienced Network Trainer with real lab simulation for VoIP/R&S/Security (Packet Tracer). -VoIP (SIP Trunking, Dial-Plan, FreePBX, Issabel, Asterisk PBX, 3CX, Fusion PBX) -Security (OpenVPN, Firewall, OpenWrt, IPsec, SSH, Certificates, SSL remote access) -Collaboration & Contact Center (CUCM, CUBE, UCCE/X, CVP, CUC, Expressway) -Networking (LAN/WAN, TCP/IP, VLANs, DNS & DHCP) -Troubleshooting, logs analysis and networking tools (Wireshark, tcpdump, Fiddler, ProcMon) -Linux administration / Windows administration. -Virtualization (VMware ESXi, Oracle VirtualBox, Hyper-V) -Azure Cloud (Azure VM, Azure SQL, Azure AD, Power BI) -VoIP and Video protocols (SIP, H323, MGCP, ISDN, DTMF, STUN) -Contact Center (IVR, ACD, OB Campaigns, Recording / Monitoring) -Active Directory/LDAP, SAML/SSO -Database: MSFT SQL, MySQL -Data Processing & Reporting (CUIC, Power BI) -Cisco Jabber/WebEx, MS Teams -PBX VoIP (FreePBX, Issabel, Asterisk PBX, 3CX) -Bash/PowerShell/UCCE/UCCX/CUE Scripting. Connect with me anytime to discuss further or explore my extensive experience on my LinkedIn profile: https://www.linkedin.com/in/ali-bani-issa-a57b8289/ Excited to collaborate and deliver outstanding results with guaranteed satisfaction. méně
  • Zaměstnejte uživatele alimmabi
  • Zaměstnejte uživatele     udayarpandey2022
Zaměstnejte uživatele     udayarpandey2022

    udayarpandey2022 udayarpandey2022

    Nepal $50 USD / hod.
    IT Infra Solution Architect - DevOps - Security
    Nepal
    4.7
    8 recenzí 8 recenzí $50 USD za hodinu
    Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D.
    Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D. méně
  • Zaměstnejte uživatele udayarpandey2022
  • Zaměstnejte uživatele     AwaisChaudhry
Zaměstnejte uživatele     AwaisChaudhry

    AwaisChaudhry AwaisChaudhry

    Pakistan $50 USD / hod.
    Among Top 100 on Freelancer Search out of 2Million
    Pakistan
    3.7
    2 recenzí 2 recenzí $50 USD za hodinu
    ZAWN Tech is an IT company based on Certified Programmers providing all kinds of IT solutions since 2014. Our skills are: Blockchain: Metaverse, Web3, NFT, NFT Games, Smart Contract, White Paper, Blockchain (Eth, WAX, Solana, BSC, Polygon), Pancakeswap, Arbitrage Bot, Uniswap, DEX, DAPP, (Frontend,Snipper,Sandwitch...
    ZAWN Tech is an IT company based on Certified Programmers providing all kinds of IT solutions since 2014. Our skills are: Blockchain: Metaverse, Web3, NFT, NFT Games, Smart Contract, White Paper, Blockchain (Eth, WAX, Solana, BSC, Polygon), Pancakeswap, Arbitrage Bot, Uniswap, DEX, DAPP, (Frontend,Snipper,Sandwitch Bots) Web: Core: HTML, CSS, WordPress, PHP (Magento, Cakephp, Codeigniter, Symfony, Laravel), Javascript (MEAN+MERN), React.js, Angular, node.js, Express.js, Vue.js, D3.js, Three.js, Ruby on Rails, ASP.NET, AJAX, MVC, VB.NET, WPF, CMS, JSON, Docker, Odoo, RESTful API Gobiflow, Podio, Bubble.io, Webflow eCommerce: Woo+BigCommerce, Shopify, Ecwid, Shopware, Prestashop, Joomla, Drupal, Zoho, Odoo, WHMCS, Yii, vTiger, Suite/SugarCRM Desktop: Java, Python, C#/C++Programming, Delphi, Qt++, VB, Golang Design: Photoshop, Illustrator, Figma Game Development: WebGL, Html5, Unity3d, 3d Max, 3d Maya, Unreal Engine 4/25. UE5, Godot Mobile: Android, iPhone, PhoneGap, Ionic, Cordova, React Native, Xamarin, Flutter, AR/VR Calling: Twilio, Nexmo, Voip, Sip, Asterisk, FreePbx, Freeswitch. Trading: Sierra Chart, Pinescript, Thinkorswim, Tradestation, Metatrader, NinjaTrader, Tradingview, Binance, Kucoin, Interactive Broker, Iqoption, Fxtm Apis Computer Vision: Machine Learning, Artificial Intelligence, OpenCV, OCR, Tensorflow, GPT-3, GPT-4, Jetson Nvidia, YOLO, Chatbot, ChatGPT, OpenAI Hardware: Embedded System, Arduino, Matlab, Raspberry Pi, Esp32 méně
  • Zaměstnejte uživatele AwaisChaudhry
  • Zaměstnejte uživatele     rifat0103
Zaměstnejte uživatele     rifat0103

    rifat0103 rifat0103

    Bangladesh $20 USD / hod.
    Network & Security | CISCO | FORTIGATE | MIKROTIK
    Bangladesh
    3.8
    14 recenzí 14 recenzí $20 USD za hodinu
    I am an expert network and security administrator and I have 10 year’s practical working and teaching experience in network and security also i am en expert in data entry jobs and excel Microsoft office. I am a CCNA instructor and I have CCNA, RHCE, RHCSA certifications. I have expertise in CISCO routing and...
    I am an expert network and security administrator and I have 10 year’s practical working and teaching experience in network and security also i am en expert in data entry jobs and excel Microsoft office. I am a CCNA instructor and I have CCNA, RHCE, RHCSA certifications. I have expertise in CISCO routing and switching, firewall, IPS, ISE, voice and wireless solution from my 10 years’ practical experience. I have also fluency in English and Hindi speaking. I am Expert in GNS3 and Packet Tracer. ===================================================================================== Technical Skills: Good understanding and knowledge of TCP/IP, OSI Layer. L3 technologies: RIP, EIGRP and OSPF and BGP in CISCO 800, 1900, 2900, 2800, 2800, ISR 4300, 4100, ASR 1000 series. L2 technologies: VLAN, VTP, STP, Trunking, HSRP, VRRP, SPAN, RSPAN, DHCP Snooping, Dynamic ARP Inspection, ARP ACL etc in 2900 series and L3 switches. NXOS and ACI: Configure and install CISCO nexus 9k and CISCO ACI solution like Bridge Domain, VRF, end point group tenant etc. Cisco ASA and Next Generation Firewall: ACL, NAT, Transparent Mode, Multiple context and Failover (Active/Active, Active/Standby) Site-to-Site VPN, Remote Access VPN and SSL VPN. Cisco Firepower IPS and Firepower Management Center (FMC): ACL, NAT, Intrusion policy, AVC, Malware & File Policy, Site-to-Site VPN, Remote Access VPN and SSL VPN etc. F5 Load Balancer and ASM: Installation and configure F5 BIG-IP Local Traffic Manager (LTM) load balancer and Application security manager. CISCO CUCM: Install and configure Cisco Unified Communication Manager 9.0 and 12.4. Mikrotik Router: OSPF, BGP, NAT, DHCP, L2TP, IPSEC, PPP, Firewall etc CISCO WEB and Email Security Appliance: Install and configure CISCO ESA and WSA So you are requested to first discuss the project and requirements and after being satisfied please awarded me with the work. And definitely work will be delivered in time and in best quality. Thanking You Kazi méně
  • Zaměstnejte uživatele rifat0103
  • Zaměstnejte uživatele     hussainmuzammal4
Zaměstnejte uživatele     hussainmuzammal4

    hussainmuzammal4 hussainmuzammal4

    Pakistan $17 USD / hod.
    Top Verified Freelancer
    Pakistan
    1.9
    1 recenze 1 recenze $17 USD za hodinu
    ..................."بسم اللہ الرحمٰن الرحیم" صلی اللہ علیہ وسلم"................ Muzammal Hussain Runing an IT company which is base on Remotely based freelancer Certified Programmers or expert in there field available at various online platforms.,Muzammal Hussain Take initiative to deal the project and then other...
    ..................."بسم اللہ الرحمٰن الرحیم" صلی اللہ علیہ وسلم"................ Muzammal Hussain Runing an IT company which is base on Remotely based freelancer Certified Programmers or expert in there field available at various online platforms.,Muzammal Hussain Take initiative to deal the project and then other experts solve it and we close client requirements but I am providing all kinds of IT solutions since 2021. Offered skills Examples are: Bubble.io, Webflow Desktop: Java, Python, C#/C++Programming Telemarketing,Internet Marketing Mobile: Android, iPhone, PhoneGap, Ionic, Cordova,React Native Calling: Twilio, Nexmo, Voip, Sip, Asterisk, FreePbx, Freeswitch. Trading: Sierra Chart, Pinescript, Thinkorswim, Tradestation, Metatrader, Computer Vision: Machine Learning, Artificial Intelligence, OpenCV, Hardware: Embedded System, Arduino, Matlab, Raspberry Pi, Esp32,PCB,Autocad,Revit,Fusion360 Regards, Muzammal H.& team. méně
  • Zaměstnejte uživatele hussainmuzammal4
  • Zaměstnejte uživatele     jkaranm
Zaměstnejte uživatele     jkaranm

    jkaranm jkaranm

    Philippines $35 USD / hod.
    Professional Online Marketer / Remote Specialist
    Philippines
    3.7
    2 recenzí 2 recenzí $35 USD za hodinu
    We are a small team that specializes in outsourcing and digital marketing, committed to improving the efficiency and effectiveness of your business. While we can't please everyone, we have built a strong reputation in the industry. Our services include data entry, Virtual Assistant, lead mining, email sending, article...
    We are a small team that specializes in outsourcing and digital marketing, committed to improving the efficiency and effectiveness of your business. While we can't please everyone, we have built a strong reputation in the industry. Our services include data entry, Virtual Assistant, lead mining, email sending, article writing, proofreading/editing, telemarketing, designs, and more. As an experienced BPO professional, I have worked with numerous companies worldwide in areas such as lead generation, sales, customer service/support, data entry/processing, VA, and research. Our company offers a wide range of services, including telemarketing, customer service, graphics design, logo design, branding, technical support, data entry, and more. We were featured on Freelancer a few years ago and have been a Preferred Freelancer here for several years now. If our qualifications match your needs, please consider our small company for your next project. méně
  • Zaměstnejte uživatele jkaranm
  • Zaměstnejte uživatele     ITBC2019
Zaměstnejte uživatele     ITBC2019

    ITBC2019 ITBC2019

    Uruguay $40 USD / hod.
    Systems & Telecom Engineer, IT Pro 23 years
    Uruguay
    1.0
    1 recenze 1 recenze $40 USD za hodinu
    Degree Professional (Systems Engineer, Telecommunications Engineer, Cisco CCNP, MBA, ITIL, MCSE, VMWARE, Mikrotik, Siemon, IP Telephony, etc.) with more 20 years experience. Expertise in Networking (Design & Deployment), IT Support, IP Telephony, Routing, Switching, Firewalling, Security, SDWAN, Wireless,...
    Degree Professional (Systems Engineer, Telecommunications Engineer, Cisco CCNP, MBA, ITIL, MCSE, VMWARE, Mikrotik, Siemon, IP Telephony, etc.) with more 20 years experience. Expertise in Networking (Design & Deployment), IT Support, IP Telephony, Routing, Switching, Firewalling, Security, SDWAN, Wireless, Linux/Unix/Windows Servers Management, and many other IT topics (like PHP, Apache, Nginx, MySQL, Magento, PrestaShop, Wordpress, etc.) I've experience with Google Cloud Services, Digital Ocean, Amazon Web Services, Microsoft Azure. Entrepeuner in a small IT company (IT Business Corp.) with more 15 years in local market. I have expectations of new and challenging projects. Available 7 days a week to attend emergencies and specific technical assistance situations. Technical responsibility and ethical commitment in the fulfillment of the requested services. méně
  • Zaměstnejte uživatele ITBC2019
  • Zaměstnejte uživatele     pranavkhandelwal
Zaměstnejte uživatele     pranavkhandelwal

    pranavkhandelwal pranavkhandelwal

    India $15 USD / hod.
    PPF | 12+ years | Fullstack mobile & web app
    India
    3.0
    1 recenze 1 recenze $15 USD za hodinu
    Hello, I'm Pranav, a seasoned professional with over 12+ years of extensive experience in mobile and website development. My journey in the tech world has allowed me to master a diverse range of technologies, making me proficient in Flutter, React Native, React.js, Node.js, PHP, Firebase, WordPress, Swift, Java, and...
    Hello, I'm Pranav, a seasoned professional with over 12+ years of extensive experience in mobile and website development. My journey in the tech world has allowed me to master a diverse range of technologies, making me proficient in Flutter, React Native, React.js, Node.js, PHP, Firebase, WordPress, Swift, Java, and more. Key Highlights:- Experience: With a decade of hands-on experience, I bring a wealth of knowledge in both mobile and website development. Versatility: My expertise spans a broad spectrum of technologies, allowing me to tackle projects with a holistic approach. Mobile Development:- Native iOS and Android applications using Swift, Java, and Kotlin. Cross-platform mobile apps using Flutter and React Native. Web Development:- Frontend development using React.js. Backend development with Node.js and PHP. WordPress-based website development and customization. Database management with Firebase and SQL databases. API Integration:- Integration of third-party APIs for enhanced functionality. Custom API development and integration. UI/UX Design: Creating intuitive and engaging user interfaces using Interface Builder, XIB, or storyboard. Additional Features:- Implementing iCloud for data synchronization. Setting up In-App Purchases and Push Notifications. Why Choose Me:- Successful delivery of numerous projects across various domains. I understanding of both mobile and web development. I am dedicated to providing tailored solutions to meet client needs. Feel free to reach out to discuss your project. I look forward to the opportunity to collaborate and bring your ideas to life. Best regards, Pranav Khandelwal méně
  • Zaměstnejte uživatele pranavkhandelwal

, zde je několik offline freelancerů

, zde je několik offline freelancerů odpovídající ""