İşe Almak için VoIP Developers

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Showing 37 results
  • Hire     AhmedHElsheikh
Hire     AhmedHElsheikh

    AhmedHElsheikh AhmedHElsheikh

    Egypt $20 USD / hour
    Expert Network Engineer
    Egypt
    I am an Expert Network Engineer and I am working as IP Problem Expert Network Engineer at Orange Business Services. I have great hands-on experience for more than 5 years in various network technologies. I have Cisco CCNA & CCNP (Routing & Switching) and CCNP Enterprise (Enterprise Core & Enterprise Advanced...
    I am an Expert Network Engineer and I am working as IP Problem Expert Network Engineer at Orange Business Services. I have great hands-on experience for more than 5 years in various network technologies. I have Cisco CCNA & CCNP (Routing & Switching) and CCNP Enterprise (Enterprise Core & Enterprise Advanced Infrastructure Implementation) certifications. I have Juniper JNCIA-Junos (JN0-102) and JNCIA (Cloud) certifications. I have very good knowledge in Cisco wireless technology (control based & stand alone), VOIP & Network Security with previous work experience. I have very good knowledge in SD-WAN technology and I have a previous work experience in it. My specialties: - Design/implement medium and large scale enterprise networks. - Configure Cisco Routers (ASR 1K & 9k, 2900, 2800, ISR 4K, 878, 888), Switches (Cat 6500, 3750, 3850, 2900, 2960, SG- 300, SG-500, [Nexus 5K, 7K and 9K]), Firewalls ([ASA 5505, 5506x, 5508], Fortigate, Palo Alto) and Wireless Acess Points 1800 and 2700. - Configure Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei, Mikrotik, HP & Ubiquiti devices Expert. - Packet Tracer, GNS-3, EVE-NG, VMWare workstation & VirtualBox Expert. - Routing protocols (RIP, OSPF, EIGRP, ISIS & BGP) Configuration and troubleshooting Expert and Switching Expert (VLANs, STP, VTP...). - VPNs Configuration Expert (IPSEC/L2TP, GRE/PPTP, OPENVPN & SoftEther). - Linux, Unix & windows servers Expert. - Wireshark Traffic Capture & Analysis Expert. - Write technical reports and summaries. daha az
  • Hire AhmedHElsheikh
  • Hire     RafimKs
Hire     RafimKs

    RafimKs RafimKs

    India $40 USD / hour
    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" daha az
  • Hire RafimKs
  • Hire     gdmlnx
Hire     gdmlnx

    gdmlnx gdmlnx

    Argentina $35 USD / hour
    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 daha az
  • Hire gdmlnx
  • Hire     Erewin
Hire     Erewin

    Erewin Erewin

    Russian Federation $30 USD / hour
    Voip developer
    Russian Federation
    Hello, my friends! There are what i have done in this 2019-2020 year. 2020: ☑ 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...
    Hello, my friends! There are what i have done in this 2019-2020 year. 2020: ☑ 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. daha az
  • Hire Erewin
  • Hire     arodrigue
Hire     arodrigue

    arodrigue arodrigue

    Dominican Republic $35 USD / hour
    Asterisk/Linux Expert /PHP/MySQL/Python Dev 14 yrs
    Dominican Republic
    Hello my name is Ambiorix, welcome to my profile. I'm an active member of the Asterisk community since 2007 . I'm always willing to make any demo at no cost before you hire me, just to make sure I will provide you exactly what you are looking for. I have extensive, practical and relevant industry experience in the...
    Hello my name is Ambiorix, welcome to my profile. I'm an active member of the Asterisk community since 2007 . I'm always willing to make any demo at no cost before you hire me, just to make sure I will provide you exactly what you are looking for. I have extensive, practical and relevant industry experience in the following area : -> Asterisk and FreePBX customizations. -> Custom Asterisk Development (PHPAGI,Bash Scripting). -> Hosted PBX Solutions (Amazon AWS, DIgitalOcean, SolarVPS). -> Recording System -> Call Reporting (CDR) -> Complex IVR Solutions (Databases Integrations, Web app Integration). -> Call Center Solutions (Vicidial,Goautodial). -> Broadcasting System. -> Technical Consultancy. -> Asterisk & MYSQL-PHP Integration. -> Asterisk Security (Fail2ban, IPTABLES). -> PHP and MYSQL Developer. daha az
  • Hire arodrigue
  • Hire     munirhayat
Hire     munirhayat

    munirhayat munirhayat

    Pakistan $20 USD / hour
    VOIP Consultant
    Pakistan
    I am currently working in aviation industry and working on different asterisk projects. I have more than 5 years of experience in asterisk solution and more 8 years of experience in Linux and Networking. Bicom server SIP/extension/IVR and trunks Asterisk/Freepbx SIP/IAX/PRI trunks Asterisk/Freepbx dynamic ivr using...
    I am currently working in aviation industry and working on different asterisk projects. I have more than 5 years of experience in asterisk solution and more 8 years of experience in Linux and Networking. Bicom server SIP/extension/IVR and trunks Asterisk/Freepbx SIP/IAX/PRI trunks Asterisk/Freepbx dynamic ivr using text to speech engine and save DTMF feedback of users in Database.. Asterisk/Freepbx Dialplans Asterisk/Freepbx IVR , Automatic Call distribution Asterisk/Freepbx Queues Asterisk/Freepbx dynamic logins Asterisk/Freepbx Call Recordings Customization of asterisk based Voicemail service Asterisk/Freepbx based cost effective voicemail development using IBM Watson Speech Recognition API Realtime asterisk deployment Vicidial customizations and Integration with Asterisk servers Vicidial Carriers settings Vicidial Campaigns Vicidial auto dialer Vicidial agents Vicidial Ingroups Vicidial Leads and troub Programming: PHP, XML, JSON, JavaScript and Shell Scripting daha az
  • Hire munirhayat
  • Hire     cristaor
Hire     cristaor

    cristaor cristaor

    Colombia $15 USD / hour
    Ingeniero de Sistemas
    Colombia
    I am a software developer and telecommunication consultant. I have 15 years of experience working with asterisk, webapps and databases.
    I am a software developer and telecommunication consultant. I have 15 years of experience working with asterisk, webapps and databases. daha az
  • Hire cristaor
  • Hire     loralawson13
Hire     loralawson13

    loralawson13 loralawson13

    United States $55 USD / hour
    Professional OpenSource Lead Dev
    United States
    I am a certified full stack developer with 11+ years of experience developing complicated SPA web applications, enterprise business websites and Mobile apps. I love to write code in a high-paced and challenging environment with an emphasis on using best practices to develop high-quality software that meets project...
    I am a certified full stack developer with 11+ years of experience developing complicated SPA web applications, enterprise business websites and Mobile apps. I love to write code in a high-paced and challenging environment with an emphasis on using best practices to develop high-quality software that meets project requirements, budget, and schedule. Detailed Breakdown of skills: - UI: SPA Components, Bootstrap/Material Design - Frontend frameworks: React.js, Next.js, Gatsby, Angular, Vue.js, Mobix, Meteor, Backbone - Mobile: React Native, IONIC, Flutter, NativeScript, Cordova, PhoneGap, Native - Backend: Node.js / Express.js, Laravel, Cake, Yii, Python - Data Visualization: D3.js, Chart.js, HighCharts.js, Tradingview - Database: MySQL, PostgreSQL, MongoDB, DynamoDB, Firebase, T-Sql - Technology: WebTorrent, BitTorrent, WebRTC - Dev Language: Javascript, PHP, Python, Java, .Net, C# I enjoy working on "mad science" — stuff that makes people say, "Whoa! I didn't know that was possible!" daha az
  • Hire loralawson13
  • Hire     lawrence37
Hire     lawrence37

    lawrence37 lawrence37

    United Kingdom $50 USD / hour
    Senior Network / Server Engineer
    United Kingdom
    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 daha az
  • Hire lawrence37
  • Hire     nasirbest
Hire     nasirbest

    nasirbest nasirbest

    Pakistan $30 USD / hour
    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. daha az
  • Hire nasirbest

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