VoIP Developers en busca de trabajo

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  • Contratar a Erewin

    Erewin

    Russian Federation $30 USD / hour
    Voip developer
    Russian Federation
    6.2
    41 comentarios $30 USD por hora
    Hello, my friends! There are what i have done in this 2019 year. ☑ 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 ☑...
    Hello, my friends! There are what i have done in this 2019 year. ☑ 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 a FranMercedesG

    FranMercedesG

    Dominican Republic $40 USD / hour
    Ing . Computer Systems
    Dominican Republic
    5.5
    50 comentarios $40 USD por hora
    ● 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 a altr

    altr

    Ukraine $30 USD / hour
    Linux/Unix, Windows, VoIP/a2billing, Web Security and Zabbix Expert.
    Ukraine
    5.3
    31 comentarios $30 USD por hora
    - VoIP Expert with more than 7 years experience in FreePBX, Elastix, PBX in a Flash (PIAF), ViciDial and other Asterisk-based systems. - Freeswitch and Sangoma solutions expert - Asterisk failover clusters - A2Billing Expert (Installation, Administration, Customization) - Chan_dongle comprehensive solutions (GSM...
    - VoIP Expert with more than 7 years experience in FreePBX, Elastix, PBX in a Flash (PIAF), ViciDial and other Asterisk-based systems. - Freeswitch and Sangoma solutions expert - Asterisk failover clusters - A2Billing Expert (Installation, Administration, Customization) - Chan_dongle comprehensive solutions (GSM gateways, SIM Card diversion, Calls and SMS forwarding, SMS2EMAIL...) - Administering and configuring of PRI and FXO/FXS cards as well (Digium, Sangoma...) - Administering and configuring Mitel, Cisco, Linksys, Yealink phones and softphones. Provisioning solutions. - Administering and configuring GSM Gateways: GoIP, Etel, OpenVOX... - ANTIBLOCK IP AND TRAFFIC COMPRESSION solutions for censored countries such as Pakistan, Iran, China... - Unix/Linux/Windows admin and script writer. - USB over IP solutions for Windows and Linux - Expert in Zabbix-based monitoring solutions. - Web Security Expert: security audits, ethical hacking... - Post-project support included as well!!! menos
  • Contratar a ciscoterminal

    ciscoterminal

    Malaysia $50 USD / hour
    Chief Technology Officer
    Malaysia
    4.2
    3 comentarios $50 USD por hora
    Devops Engineer and Expert in designing Secure and Complex wired/wireless networks. extensive experience in Linux server configuration, Troubleshooting and security. CCIE (Routing and Switching) CCIE (Security) CCIE (Service Provider) (RHCE) Red Hat Certified Engineer (MCSE)Microsoft Certified Solutions...
    Devops Engineer and Expert in designing Secure and Complex wired/wireless networks. extensive experience in Linux server configuration, Troubleshooting and security. CCIE (Routing and Switching) CCIE (Security) CCIE (Service Provider) (RHCE) Red Hat Certified Engineer (MCSE)Microsoft Certified Solutions Expert VMware Certified Professional Computer Hacking Forensic Investigator (CHFI) Certified Information Systems Security Professional (CISSP) Master in Information Security Docker, Kubernetes , Google Cloud, Amazon AWS, Digital Ocean etc menos
  • Contratar a munirhayat

    munirhayat

    Pakistan $20 USD / hour
    VOIP Consultant
    Pakistan
    3.9
    8 comentarios $20 USD por hora
    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 menos
  • Contratar a AhmedHElsheikh

    AhmedHElsheikh

    Egypt $20 USD / hour
    Expert Network Engineer
    Egypt
    3.5
    6 comentarios $20 USD por hora
    I am an Expert Network Engineer. I have great hands-on experience for more than 5 years in various network technologies. I have Cisco CCNA(Routing&Switching) / CCNP(Routing&Switching) certificates & Juniper JNCIA-Junos(Routing&Switching) / JNCIA(Cloud) certificates. I have very good knowledge in Cisco wireless...
    I am an Expert Network Engineer. I have great hands-on experience for more than 5 years in various network technologies. I have Cisco CCNA(Routing&Switching) / CCNP(Routing&Switching) certificates & Juniper JNCIA-Junos(Routing&Switching) / JNCIA(Cloud) certificates. I have very good knowledge in Cisco wireless technology (control based & stand alone) and i have a work experience in it. I have very good knowledge in SD-WAN technology and i have a work experience in it. My specialties: - Design & implement medium and large scale enterprise networks. - Configure Cisco Routers (ASR 1K & 9k, 2900, 2800), Switches (6500, 3750, 2900, SG- 300, SG-500, [Nexus 5K, 7K and 9K]) & Firewalls ([ASA 5505, 5506x], Fortigate, PaloAlto). - Configure Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Packet tracer and GNS3 expert. - Data analysis with Wireshark. - Write technical reports and summaries. menos
  • Contratar a antima5

    antima5

    India $15 USD / hour
    VOIP, Cloud Computing and Linux Expert
    India
    3.5
    3 comentarios $15 USD por hora
    I am AWS Certified Solutions Architect - Professional. I am cloud expert and can help you to manage , migrate application, setup on cloud (AWS, Azure, GCP). Vicidial/Goautodial/Asterisk/FreePBX Installation, Customization, Support. Kubernetes Cluster Setup, Docker. Infra/Server monitoring through zabbix. Linux Server...
    I am AWS Certified Solutions Architect - Professional. I am cloud expert and can help you to manage , migrate application, setup on cloud (AWS, Azure, GCP). Vicidial/Goautodial/Asterisk/FreePBX Installation, Customization, Support. Kubernetes Cluster Setup, Docker. Infra/Server monitoring through zabbix. Linux Server Administration. menos
  • Contratar a uzmaq74

    uzmaq74

    United States $45 USD / hour
    Copywriter| SEO Articles & Blogs| Graphic Designer
    United States
    3.6
    1 comentario $45 USD por hora
    Welcome to the hub of perfection to fuel your website. Who am I? I am an excellent content creator, copywriter and article writer with extensive and resourceful knowledge of all the modern niches and industries, such as healthcare, IT, e-commerce, and many more. I have a B.A in English and a minor in Ethical...
    Welcome to the hub of perfection to fuel your website. Who am I? I am an excellent content creator, copywriter and article writer with extensive and resourceful knowledge of all the modern niches and industries, such as healthcare, IT, e-commerce, and many more. I have a B.A in English and a minor in Ethical Philosophy, which helps me create the perfect content for you. My Specialties Include: ? Copywriting ? Ghostwriting ? Proofreading ? Article and Blogpost Creation ? Story Writing ? Research-oriented Articles ? Content Creation for Targeted Market Segments ? SEO Content Writing (On-page & Off-page content) ? WordPress Management and maintenance Hit me up now, and I will write a sample for you free. If you like the free sample, we will continue forward towards success. menos
  • Contratar a jkaranm

    jkaranm

    Philippines $20 USD / hour
    Owner - JKM Marketing Services & Consultancy
    Philippines
    3.7
    2 comentarios $20 USD por hora
    We can't please everyone but doing our very best and still maintained a good standing here. My company's business is to make yours effective & efficient. I own a small company doing outsourcing and digital marketing. You may check some sample works below from Data entry, Lead mining, email sending, Article Writing,...
    We can't please everyone but doing our very best and still maintained a good standing here. My company's business is to make yours effective & efficient. I own a small company doing outsourcing and digital marketing. You may check some sample works below from Data entry, Lead mining, email sending, Article Writing, to Proofreading/Editing, to Telemarketing, to Designs, etc. An experienced BPO Professional looking for clients for my company's services. Have worked in the areas of Lead Generation, Sales, Customer Service/Support, Data Entry/Processing, VA, Technical Support for many employers here in Freelancer & companies around the world. I do have a strong foundation in these areas. My company offers such as Telemarketing, Customer Service, Graphics Design, Technical Support, Data Entry, Research to name a few. If qualifications are suitable for you, please consider my small company's services for your next project. We were featured here in Freelancer and a Preferred Freelancer menos
  • Contratar a gdmlnx

    gdmlnx

    Argentina $30 USD / hour
    Unix Consultor, Devops and Cloud Engineer.
    Argentina
    3.3
    2 comentarios $30 USD por hora
    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

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