VoIP Developers en busca de trabajo

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Mostrando 54 resultados
  • Contratar     FranMercedesG
Contratar     FranMercedesG

    FranMercedesG FranMercedesG

    Dominican Republic $40 USD / hora
    Ing . Computer Systems
    Dominican Republic
    ● 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). menos
  • Contratar FranMercedesG
  • Contratar     Erewin
Contratar     Erewin

    Erewin Erewin

    Russian Federation $30 USD / hora
    Voip developer
    Russian Federation
    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. menos
  • Contratar Erewin
  • Contratar     RafimKs
Contratar     RafimKs

    RafimKs RafimKs

    India $40 USD / hora
    Expert System, Network & VOIP Administrator
    India
    I am excited to offer 12 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...
    I am excited to offer 12 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) - 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" menos
  • Contratar RafimKs
  • Contratar     larymonata
Contratar     larymonata

    larymonata larymonata

    India $50 USD / hora
    Linux, Asterisk, VoIP, PHP, Angular JS, Laravel
    India
    10 years experience with Asterisk, VoIP and Linux servers. I have extensive and practical experience with Asterisk and have developed many custom applications with asterisk. Listed below few of the applications that I built over asterisk. * Hosted and Multi Tenant PBX systems * Callcenter Solutions with...
    10 years experience with Asterisk, VoIP and Linux servers. I have extensive and practical experience with Asterisk and have developed many custom applications with asterisk. Listed below few of the applications that I built over asterisk. * Hosted and Multi Tenant PBX systems * Callcenter Solutions with predictive, preview and progressive dialing * Softswitch with billing solution * Auto dialers * Clicktocall solutions * IVR Solutions menos
  • Contratar larymonata
  • Contratar     gdmlnx
Contratar     gdmlnx

    gdmlnx gdmlnx

    Argentina $35 USD / hora
    Unix Consultor, Devops and Cloud Engineer.
    Argentina
    Unix (Solaris, Hp-UX, AIX). GNU/Linux (Red Hat, Slackware, Debian. Servidores/Clientes: Firewalling (iptables, ipchains,Nat,ipfw, ipfilter, Shorewall).Smb File Server. Advanced Power Virtualization on IBM systems HACMP Apache Web Server. Squid Proxy Server (proxy cache, transparent proxy). FTP Server(ftpd)DHCP...
    Unix (Solaris, Hp-UX, AIX). GNU/Linux (Red Hat, Slackware, Debian. Servidores/Clientes: Firewalling (iptables, ipchains,Nat,ipfw, ipfilter, Shorewall).Smb File Server. Advanced Power Virtualization on IBM systems HACMP Apache Web Server. Squid Proxy Server (proxy cache, transparent proxy). FTP Server(ftpd)DHCP server, DNS cache server (dnsmasq). SSH Server. Logical Volume Manager (LVM; GNU/LINUX, HP-UX) Svm (solaris volume manager) Veritas VM Servidores de Impresion(cups) Asterisk-Siemens-Alcatel.E1. SS7 - DSLAM - OLT automation and cloud : docker ansible AWS terraform ********************** +10 years Experience on Unix-like sistems , please go over my linkedin resume for further information. Red-hat cerfified : 120-172-655 Unix-LIke Systems Administration.- AIX Admin; pseries Power VM Red-Hat GNU/LINUX menos
  • Contratar gdmlnx
  • Contratar     abd4d5
Contratar     abd4d5

    abd4d5 abd4d5

    Lebanon $35 USD / hora
    Network Engineer, CCNP Collaboration, CCNP R&S
    Lebanon
    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 ). - 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, deployment and integration open source voice system(asterisk). menos
  • Contratar abd4d5
  • Contratar     AhmedMFakkar
Contratar     AhmedMFakkar

    AhmedMFakkar AhmedMFakkar

    Egypt $25 USD / hora
    Cisco Professional
    Egypt
    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. menos
  • Contratar AhmedMFakkar
  • Contratar     ast3r1sk
Contratar     ast3r1sk

    ast3r1sk ast3r1sk

    Russian Federation $45 USD / hora
    Professional setup and support asterisk solutions
    Russian Federation
    Technical skills: -Asterisk custom solutions -Support and installation asterisk based PBX'es: FreePBX, Elastix, PBXinFlash, GoAutoDial and so on. - Experience in maintaining local area network (about 100 PC), VoIP network (over 20 Asterisk servers, more than 100 geographically dispersed telephone adapters heavy loaded...
    Technical skills: -Asterisk custom solutions -Support and installation asterisk based PBX'es: FreePBX, Elastix, PBXinFlash, GoAutoDial and so on. - Experience in maintaining local area network (about 100 PC), VoIP network (over 20 Asterisk servers, more than 100 geographically dispersed telephone adapters heavy loaded asterisk server - 1000 concurrent connections). - Set up Apache, PHP, MySQL, Asterisk, IPtables, nagios, zabbix, DHCP, TFTP, RAID, SoftRAID, FTP, RADIUS, RSA (LanBilling) - Skills shell (bash) programming. - Experience in developing and implementing solutions for the taxi service using AMI. - Experience in equipment setup: Linksys, Addpac, Adtran, Digium, Openvox, AllVoip, Cisco, Polycom, Drytek, Grandstream, Zyxel, Planet, Patton SmartNode, Nateks, KIRK (DECT), GOIP and others. menos
  • Contratar ast3r1sk
  • Contratar     lawrence37
Contratar     lawrence37

    lawrence37 lawrence37

    United Kingdom $50 USD / hora
    Senior Network / Server Engineer
    United Kingdom
    3.8
    3 comentarios 3 comentarios $50 USD por hora
    I have over 15 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 15 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 menos
  • Contratar lawrence37
  • Contratar     nasirbest
Contratar     nasirbest

    nasirbest nasirbest

    Pakistan $30 USD / hora
    VoIP, Telecommunication and Software Engineers
    Pakistan
    ICTInnovations is a software company having a specialization in Telecommunication Industry. ICT Innovations is a team of innovative, positive, objective, highly qualified, and research-oriented professionals having in-depth knowledge of the broad spectrum of Information and Communication Technologies (ICTs) with...
    ICTInnovations is a software company having a specialization in Telecommunication Industry. ICT Innovations is a team of innovative, positive, objective, highly qualified, and research-oriented professionals having in-depth knowledge of the broad spectrum of Information and Communication Technologies (ICTs) with extensive experience in open source Software, LAMP Development, Linux platforms, TCP/IP Networking and VOIP Communication Systems. menos
  • Contratar nasirbest

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