SIP Freelancers

Showing 20 freelancers

SIP Freelancers

Showing 20 freelancers

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Last updated: March 1, 2015

  • Computer Technician

    Audio Mixing Engineer with quality ears for picking out minute details in recordings of music and speeches. I can make most any recording sound like it came from a professional studio. I am an expert two track or mono track editor as well.

    audio-editing audio-mixing technical-support windows-7-administration wireless-network-implementation asterisk sip music-producer 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 0 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Asterisk/VOIP/Vicidial/FreePBX/Elastix Expert | Technical Support

    Over the past 6 years, I have installed and configured a total of around 1,000 seats call center system with a maximum of 14 servers on one site using Vicidial on both standalone and multi-server setup. I have also … more

    Over the past 6 years, I have installed and configured a total of around 1,000 seats call center system with a maximum of 14 servers on one site using Vicidial on both standalone and multi-server setup. I have also installed and configured IPPBX systems, VOIP systems, GSM gateway systems and asterisk-based systems using FreePBX and Elastix ranging from small to medium business enterprises including integration of IPPBX to a legacy PBX(PABX) and to CUCM. My core competencies lies in Asterisk, Vicidial, GoAutodial, Vicibox, FreePBX, Elastix, Linux, SIP, IPPBX and PABX/CUCM integration, VOIP systems and GSM gateway systems. Installing and maintaining VOIP and call center systems remotely to my clients in the US, Singapore, Philippines, China, UK and Middle East has also helped me improved my skills and the way I deal with people especially in interacting and communicating with top management or owners of the business. With this, I'm seeking opportunities to install, develop, configure and support call center systems, VOIP systems and IPPBX systems from the ground up for you or your business. I have also experience in the following areas: - MySQL and Apache - Linux(CentOS, Redhat, Ubuntu, Opensuse, Fedora) and Windows Operating Systems - Microsoft Office applications - Basic to advance TCP/IP networking configuration - Basic to advance troubleshooting(system, software, hardware and networking) - SDLC, UML Diagrams and OOP diagrams - FTP - Remote desktop support - Firewall and linux/shell scripting - Softphones(Eyebeam, Bria Xlite Zoiper and Ekiga) configuration - IP Phones(Mitel, Polycom, Escene, Grandstream, Yealink, etc) configuration - Video Phones(Grandstream, Yealink, etc) configuration - Operator phone configuration - FXO/FXS gateway configuration - VOIP gateways(Dinstar, Grandstream, Audiocodes, Quintum Tenor, Digium) configuration - Sangoma/Digium/Atcom/Openvox card configuration(TDM/Analog, E1, E1R2, PRI/BRI, ISDN) - Multi-tenant IPPBX  less

    asterisk vicidial elastix freepbx linux-system-administration sip mysql voip-administration voip-software 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 43 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • IT with Background in VoIP/SIP

    Worked as a call center agent for technical account (DSL), then established a computer shop (from hardware assembly to software installation). Then, went back to call center industry as CSR (billing specialist) for 2 years. Then shifted career as Network Engineer for Accenture and eventually became Senior Network Engineer specializing in SIP.

    sip voip-administration 00 more less
    • $16.67 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • All round technical chap

    I am from a network environment mainly LAN and WAN networks I also have experience security testing wifi networks In the past I have worked with PBX's and other VOIP technologies including SIP trunks. Also experienced desktop support both … more

    I am from a network environment mainly LAN and WAN networks I also have experience security testing wifi networks In the past I have worked with PBX's and other VOIP technologies including SIP trunks. Also experienced desktop support both hardware and operating systems such as Microsoft windows xp, vista, 7 and basic linux Setting up routers PPTP VPN and basic IPSec VPN Wireshark Microsoft office Wireless / wifi security testing "WPA. WPA2, WEP" Data entry Transcription  less

    lan-implementation wan sip voip-administration vpn technical-support tcp-ip windows-xp-administration microsoft-word data-entry 00 more less
    • $13.33 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • UNITED KINGDOM
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Software quality assurance engineer

    Prepare and execute test plans for professional and residential tripleplay routers, for various customers (Deutsche Telekom, CableVision, BT, Orange, TCOM, Telkom SA,....) - Creating qualification test plans from technical customers specifications. - IP services validation (DHCP, DNS, NTP…) - Analyze and describe defects … more

    Prepare and execute test plans for professional and residential tripleplay routers, for various customers (Deutsche Telekom, CableVision, BT, Orange, TCOM, Telkom SA,....) - Creating qualification test plans from technical customers specifications. - IP services validation (DHCP, DNS, NTP…) - Analyze and describe defects. - Analyze network capture (Wireshark, TCPdump) - Testing router's web UI - Check IP services quality (Triple play, QoS) - Testing tools administration (SmartBits, IxChariot, CDRouter, SAFIRE, FaxLab, DSLA, Abacus,…) - Remote devices management via TR69 protocol (ACS Motive server) - VoIP platform administration (Asterisk, Brekeke, GnuGK and Openser). - Participate in making a generic test plan for VoIP conformance - DLNA/UPnP certification tests - Manage testing with open source tools (Teslink, Bugzilla, WebtoProject…) - Write validation reports.  less

    dhcp dns ftp asterisk sip arabic french translation-english-french translation-french-english translation-arabic-english translation-english-arabic bugzilla defect-tracking ssl 00 more less
    • $20.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • TUNISIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Asterisk/ VOIP/Video Conferencing Solutions Consultant

    Solutions architect and project manager with a strong focus on VOIP and voice driven applications including IVRs,pabx systems, and call center integration leveraging open source and closed source technologies to implement customised solutions. Flair for systems analysis and design … more

    Solutions architect and project manager with a strong focus on VOIP and voice driven applications including IVRs,pabx systems, and call center integration leveraging open source and closed source technologies to implement customised solutions. Flair for systems analysis and design with advanced communication and people skills. Specialties: Linux / Unix - Advanced Asterisk - Advanced VOIP - sip/iax -advanced Windows XP / Server - advanced Windows 7 - Intermediate Cisco routing/switches - advanced MSSQL - Intermediate MySQL - advanced Predictive Dialer systems - Advanced Excel - advanced c # - advanced Procurement / professional communication - advanced perl - intermediate Genesys Call Center Systems - Advanced Avaya - intermediate Current Roles / Achievements Responsible for all Voice / VOIP infrastructure across the OCIS group. Enhanced call handling efficiency by approximately 40% - via software upgrades and enhanced configuration. Developed enhancements to integrate with line of business systems and provide visibility on call patterns through visual tools. Added web based video conferencing, screen share and web chat to the portfolio of services available to all OCIS business users. Integrating Polycom auto provisioning systems with voice solution to make service delivery more robust and efficient. Currently developing intelligent routing systems for VOIP using EIGRP on cisco core devices. Integrating DUNDi, database functions, static variables from MySQL clusters with a self healing voip routing solution as the end goal  less

    asterisk centos automated-call-distribution call-center-management interactive-voice-response cisco-voip cisco-routers sip technical-support creative-writing article-writing project-management red5 unix-system-administration vmware-esx nagios avaya contract-drafting windows-8-administration dhcp data-analysis bacula ibm-storage 00 more less
    • $50.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • FIJI
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • Application Engineer/Developer

    An application engineer plans the design and implementation of technology products like speciality industry equipment or computer programs. He or she works together with a company’s manufacturing, sales, and customer service departments. Companies typically require this type of worker … more

    An application engineer plans the design and implementation of technology products like speciality industry equipment or computer programs. He or she works together with a company’s manufacturing, sales, and customer service departments. Companies typically require this type of worker to have a four-year degree along with years of field experience. He or she should have good communication, math and teamwork skills. People in this field design, build, and test various technological products. They gather information about clients’ needs and work with managers to develop products using sophisticated computer software. They can make original applications or redesign ones that a customer already has. Many application engineers also do research and development.  less

    c python orcad pspice pcb-design sip simulink algorithms 00 more less
    • $5.56 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Asterisk/Elastix/Freepbx/VoIP/Chan Dongle/Raspberry/Network specialist

    i am a VoIP specialist dealing with Asterisk and voip billing Asterisk based servers: Freepbx Elastix A2billing and Kamailio. i have collected much experience in installing and configuring VoIP servers and giving support for costumers during my last job position … more

    i am a VoIP specialist dealing with Asterisk and voip billing Asterisk based servers: Freepbx Elastix A2billing and Kamailio. i have collected much experience in installing and configuring VoIP servers and giving support for costumers during my last job position at Voipmaroc and Nogafone. during my last jobs i was charged to deploy a voip call center based on Elastix for DYARelmansour , a construction company leader in Morocco , and a call center ViciDial for EIGENVALUE based in Morocco and for many end user of IPBX appliances and customized IPbx installations based on asterisk. I have setup many Asterisk servers for many customers in Freelancing and Deployed many Gsmgateways and Asterisk based Gsmgateways. I have also installed and deployed Raspberry and Huawei Dongles as Cheap Gsmgateways . besides , i have Also setup some complex VoIP topologies for call Routing and Terminations via VPN . my diplomat at network engineering and Centos Linux experience helped me to devolope my skills in VoIP. i am ready to serve.  less

    asterisk elastix centos a2billing cisco-voip voip-administration automated-call-distribution freepbx sip 00 more less
    • $21.11 HOURLY RATE
    • 5.0
    • 232 HOURS
    • MOROCCO
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
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