VoIP Developers Do Zatrudnienia

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  • Zatrudnij użytkownika abusayed2004
    6.0
    45 ocen $30 USD na godzinę
    Work 9 years on server security, cloud, AWS, OpenStack, VoIP, Asterisk, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, OpenStack, Mysql Red hat, Python, PHP scriptwriter for IVR and AGI implementation on asterisk, have a good team for support and further development. Puppy Linux...
    Work 9 years on server security, cloud, AWS, OpenStack, VoIP, Asterisk, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, OpenStack, Mysql Red hat, Python, PHP scriptwriter for IVR and AGI implementation on asterisk, have a good team for support and further development. Puppy Linux customization. • Linux - Hosting Systems Administration & Monitoring • Devops • Services Optimization • Security Hardening • VoIP, Asterisk, SMS, Dongle, FreePBX install configure, maintain • 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 mniej
  • Zatrudnij użytkownika RafimKs
    4.2
    10 ocen $30 USD na godzinę
    I am excited to offer 12 years of solid experience in Physical & Virtual Networking Platforms, System Administration, Desktop Support, Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft - Active Directory, DNS,DHCP, RDS, SharePoint,...
    I am excited to offer 12 years of solid experience in Physical & Virtual Networking Platforms, System Administration, Desktop Support, Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft - Active Directory, DNS,DHCP, RDS, SharePoint, Hyper-V, Exchange (All versions) - (Office365, Azure) - VMWare (ESXi, VCenter) - Citrix (XenApp, XenCenter) - Antivirus(Symantec(SEP),Mcafee(EPO),Kaspersky) - Linux (Ubuntu, CentOS, Debian) - Google (GCP&GSuite) - Storage(Synology,FreeNAS,WD & NetApp) - VOIP ( Avaya,3CX,Yeastar,XCally,GrandStream & FreePBX) - Firewalls (Fortinet, Sonicwall, Sophos, ASA & PFSense) - Routers (Cisco, Mikrotik) - Servers (HP Proliant Servers) & (Dell PowerEdge 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. Best Regards Muhammed Rafi mniej
  • Zatrudnij użytkownika vinskendaj
    3.5
    14 ocen $27 USD na godzinę
    MSc Degree in Computer Sciences. 9+ years hands on experience in network designing, implementation, optimization, integration, security, and troubleshooting. I've experience on hands , on well known tech as: -Cisco, Juniper, Mikrotik,TP-link, Ubiquiti,Sonicwall,Palo Alto , Netgear, Dell, HP, Alcatel, Linksys. -VMware,...
    MSc Degree in Computer Sciences. 9+ years hands on experience in network designing, implementation, optimization, integration, security, and troubleshooting. I've experience on hands , on well known tech as: -Cisco, Juniper, Mikrotik,TP-link, Ubiquiti,Sonicwall,Palo Alto , Netgear, Dell, HP, Alcatel, Linksys. -VMware, vcenter 5.x/6.x -Xenfarms virtualizations.Xen Desktop and XenApps,Citrix. -Windows 2k3/2k8R2/2k12r2/2k16 -Linux servers : centos/debian/SUSE. -Proxmox/ Clonezilla/ Paragon / Acronis -Telephony systems based on Asterisk/Grandstream/Mitel/Alcatel/PBX. -SNMP monitoring : Observium/Librenms/Cacti/Nagios. -Call Centers calling systems : Goautodial/Vicidial/OSdial/Isabel PBX -integrations: SugarCRM / Suite CRM /V-Tiger -Zimbra/OwnCloud/Nextcloud integration Collabora online -Roundcube, squiremail etc -OVH server / Hetzener server -SSL / EV-SSL installation /OpenSSL -ProxySQL/Mysql/MariaDB/ Percona -Security Advisor My goal is to resolve client issues and deliver quality. mniej
  • Zatrudnij użytkownika octopus823
    3.4
    3 ocen $35 USD na godzinę
    "There are many elephants in the field, but only one leads " I am a director of a software development team trying to be the first class in world. My team have worked FULL time here and done the best to provide our clients with the best products. By my team, over 500 apps have been designed , developed and...
    "There are many elephants in the field, but only one leads " I am a director of a software development team trying to be the first class in world. My team have worked FULL time here and done the best to provide our clients with the best products. By my team, over 500 apps have been designed , developed and delivered to the clients on this site so far. My mission is to provide tomorrow's solutions today, and to maximize customer satisfaction through innovative idea and app with the best quality. My team can provide you with the following apps: - Android and iPhone Apps - Websites and it's Hosting - Linux, MAC OS X, Windows based System applications - Application Software(c,c++,Qt) for all purposes mniej
  • Zatrudnij użytkownika kzaouli05
    5.1
    12 ocen $25 USD na godzinę
    Telecom/WebHosting/Voip/PBX/System administrator, +15 years of experience in Installing, configuring and managing Systems, Asterisk, Autodialing, FreePBX, Vicidial, GoAutodial, A2billing, IVR, Voice to Mail, Predictive Dialing, Calling Cards(PIN), Voice/SMS BroadCasting, WebRTC, WebPhone, WSS. As a company, we are...
    Telecom/WebHosting/Voip/PBX/System administrator, +15 years of experience in Installing, configuring and managing Systems, Asterisk, Autodialing, FreePBX, Vicidial, GoAutodial, A2billing, IVR, Voice to Mail, Predictive Dialing, Calling Cards(PIN), Voice/SMS BroadCasting, WebRTC, WebPhone, WSS. As a company, we are a SIP VoIP Provider with competitive rates and the HIGHEST availability levels within multi Systems integration for large traffic. We offer VoIP multi-systems installation packs, multi machines and deliver "All in one unified solution" to support large traffic, billing system , Trunks management, users payment gateways, reports, recordings, security and Web SIP Registration/Login portal. Depend your needs, startup, medium, large usage, welcome to the game. Regards, Kamal zaouli mniej
  • Zatrudnij użytkownika iKcon
    5.8
    33 ocen $25 USD na godzinę
    We are Team iKcon Infotech!! Above 7 years of Expertise in VoIP Based Products. We majorly deal in below stated products and our focus in customer satisfaction which turns out to be automatic more references. That is the reason what from past years our Completion ratio is above 95% ...
    We are Team iKcon Infotech!! Above 7 years of Expertise in VoIP Based Products. We majorly deal in below stated products and our focus in customer satisfaction which turns out to be automatic more references. That is the reason what from past years our Completion ratio is above 95% Open Source System * A2Billing * ASTPP * Vicidial * FreePBX * FusionPBX * OpenSIP * Asterisk * Elastix * GoAutodial * Freeswitch VoIP Mobile Dialer * Linphone * CSipsimple Any kind of Customization or Development in VoIP Open Source Products. We have our own customized version of A2billing, ASTPP, Vicidial, FusionPBX and more. For more information about iKcon Infotech check our website. mniej
  • Zatrudnij użytkownika AbrahamBU
    5.5
    29 ocen $20 USD na godzinę
    *Dedicated Freelancer* 9+ Years Robust Experience as a Lead Engineer. Master in VoIP Platforms and Integration with other components of OSS/BSS, Telecom Networks and CRM products. CCIE Level Network Knowledge and Robust Telecom Experience. (NOC Manager) Expert in WebRTC and Asterisk along with a deep...
    *Dedicated Freelancer* 9+ Years Robust Experience as a Lead Engineer. Master in VoIP Platforms and Integration with other components of OSS/BSS, Telecom Networks and CRM products. CCIE Level Network Knowledge and Robust Telecom Experience. (NOC Manager) Expert in WebRTC and Asterisk along with a deep understanding and experience in Signalling and Media protocols, furthermore in Secure calling and Media encryption. Having 100++ successful setup and integration, I am fully familiar with every single issue or bugs you may face in WebRTC related projects and Asterisk. I am also experienced with Mobile Network Infrastructure as well as OSS/BSS platforms in Carrier WiFi, Carrier VoIP and general concept of Mobile Data Offloading. I did also managed to run a massive ISP with +500000 customer base and +200000 live users. hands on experience on various VoIP/Network tech and devices Ability to train, motivate and supervise a team Kindly please contact me for more details. mniej
  • Zatrudnij użytkownika FranMercedesG
    5.0
    37 ocen $40 USD na godzinę
    ● 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, VyOS, Zeroshell, 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). mniej
  • Zatrudnij użytkownika dailas
    5.5
    59 ocen $25 USD na godzinę
    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 mniej
  • Zatrudnij użytkownika Erewin
    5.2
    20 ocen $30 USD na godzinę
    Hello. Most of my work is support current voip system. We have now many of them. Wholesale, PBX does not matter. Ask me for help. My main benefits is whole knowledge from unix to softphone. I have been working with VOIP since 2004. In every code i try to find logic. So, after many years i got many schemes to...
    Hello. Most of my work is support current voip system. We have now many of them. Wholesale, PBX does not matter. Ask me for help. My main benefits is whole knowledge from unix to softphone. I have been working with VOIP since 2004. In every code i try to find logic. So, after many years i got many schemes to realize any features. Most used software in my work are: Unix, Python, Django, PHP, Opensips, Kamailio, MySql, Postgres. mniej

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