Freelancersพร้อมรับจ้าง
แสดงผล 4467 รายการ
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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 ย่อ
ว่าจ้าง otrzemvoup
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abusayed2004 abusayed2004
$40 USD / ชม.
Asterisk PBX, SIP, Linux, Cloud, DevOps, SecurityBangladeshI 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. ย่อ
ว่าจ้าง abusayed2004
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I have 8 years of Experience as a System Administrator and expert in Linux, Asterisk, vicidial and openvpn.I have 8 years of Experience as a System Administrator and expert in Linux, Asterisk, vicidial and openvpn. ย่อ
ว่าจ้าง ameer89898
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My current position is Unified Communications Administrator at UN International Computing Centre. I have 8 years of experience in designing, deploying, and operating Unified Communications services. I have worked with Microsoft solutions (e.g Skype for Business, Teams) and telephony solutions (e.g AudioCodes, Ribbon,...My current position is Unified Communications Administrator at UN International Computing Centre. I have 8 years of experience in designing, deploying, and operating Unified Communications services. I have worked with Microsoft solutions (e.g Skype for Business, Teams) and telephony solutions (e.g AudioCodes, Ribbon, Cisco,...) ย่อ
ว่าจ้าง ngoquangtho
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I have more than 10 years of expertise working with deployments of VoIP Systems and IT Solutions, Setting up IP PBX gateways based on Asterisk and FreeSwitch, integrated Systems like ViciDial/ViciBOX, FreePBX, A2Billing, ASTPP, Elastix/Isabel, 3CX, OpenVBX and Kazoo, also SMS Systems Like PlaySMS, Jazmin and...I have more than 10 years of expertise working with deployments of VoIP Systems and IT Solutions, Setting up IP PBX gateways based on Asterisk and FreeSwitch, integrated Systems like ViciDial/ViciBOX, FreePBX, A2Billing, ASTPP, Elastix/Isabel, 3CX, OpenVBX and Kazoo, also SMS Systems Like PlaySMS, Jazmin and Kannel. also got good knowledge about: PHP MYSQL HTML CSS WORDPRESS NODEJS JAVASCRIPT VPN VPS CLOUD COMPUTING UNIX/LINUX ADMINISTRATION WINDOWS ADMINISTRATION FORTINET UBIQUITI MIKROTIK CISCO ย่อ
ว่าจ้าง gilbertarias
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Experienced VoIP engineer adept in up-to-date VoIP and SoC technology. Proficient in various platforms and languages, and embedded systems.Experienced VoIP engineer adept in up-to-date VoIP and SoC technology. Proficient in various platforms and languages, and embedded systems. ย่อ
ว่าจ้าง franklee31
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Over the last 5 years, I have developed a wide range of VOIP projects. Just a brief introductions of things i have worked on. [Opensips/Kamailio] 1. Developed local and International VoIP network (Termination/Origination) with, along redis as cache database and FreeRadius as AAA Sever. 2. Registrar in Type 5...Over the last 5 years, I have developed a wide range of VOIP projects. Just a brief introductions of things i have worked on. [Opensips/Kamailio] 1. Developed local and International VoIP network (Termination/Origination) with, along redis as cache database and FreeRadius as AAA Sever. 2. Registrar in Type 5 switch with freeswitch as media server. 3. Opensips-CP/SIREMIS. 4. Symmetric Nat solutions with rtpengine/rtpproxy. [Freeswitch] 1. AutoDialer Supporting more that 5000 CC calls using Multiple freeswitch. 2. Voip network setup using mod_enum,mod_lcr,mod_nibblebill. 3. Freeswitch realtime implementation using lua/mod_xml_curl [Asterisk] 1. Asterisk realtime implementation. 2. AGI/AMI scripts.. 3. Autodialer using pycall. [Free-Dialers] 1. Newfies Dialer 2. IctDialer 3. ViciDialer [Zabbix / Monit] 1. Monitorig of different Servers 2. Setting triggers for different services 3. Generating e-mail notifications on triggers [Languages] 1. Lua 2. Golang ย่อ
ว่าจ้าง aqsyounas
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Top 1% in the Freelancer.com Community. I am excited to offer 16+ 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 16+ 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) - Wireless(Cisco,Unify,Grandstream,Fortigate) - 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" ย่อ
ว่าจ้าง RafimKs
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udayarpandey2022 udayarpandey2022
$50 USD / ชม.
IT Infra Solution Architect - DevOps - SecurityNepalLet'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. ย่อ
ว่าจ้าง udayarpandey2022
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I am Muhammad Abdullah , with 8 years of expertise in various fields: I specialize in providing dedicated assistance for both Linux and Windows systems. I am skilled in Blockchain Development, including BTC NODE & GETH. I can configure Apache, Nginx, or other HTTP servers to meet specific requirements. I offer...I am Muhammad Abdullah , with 8 years of expertise in various fields: I specialize in providing dedicated assistance for both Linux and Windows systems. I am skilled in Blockchain Development, including BTC NODE & GETH. I can configure Apache, Nginx, or other HTTP servers to meet specific requirements. I offer support for WHM, cPanel, Plesk, DirectAdmin, and other control panels. I can handle tasks related to VPS, VDS, VPN, VPC, and subnet setups. I excel at seamless migration from one host to another. I can configure Reverse Proxy for efficient web traffic management. I have expertise in Load Balancing for applications and websites. I can resolve PHP-related issues and extend its functionality through various extensions. I am experienced with Java Web Server (Apache Tomcat) setup and maintenance. I can assist with IIS configuration and optimization. I have extensive knowledge in debugging Ubuntu, Debian, or Debian-based operating systems. I can troubleshoot CentOS-related issues. ย่อ
ว่าจ้าง MRARIFAKRAM
