SIP Freelancers

Showing 4 freelancers

SIP Freelancers

Showing 4 freelancers

  • VoIP Expert / IP-PBX Specialist / Computer Networks / Linux

    A man interested in all things Computer and Data/Voice Networks related. Also a Linux and Virtualization enthusiast :) A strong supporter of Richard Stallman and Open Source software movement! You can visit and view my thoughts on: http://myciscojournal.blogspot … more

    A man interested in all things Computer and Data/Voice Networks related. Also a Linux and Virtualization enthusiast :) A strong supporter of Richard Stallman and Open Source software movement! You can visit and view my thoughts on: http://myciscojournal.blogspot.com Some Areas of my expertise: VoIP: -Genband Nextone - Expert -Sonus and NBS Solution - Expert -MVTS Pro and MVTS II - Expert -Acme Packet - Sound proficiency -Asterisk PBX: Full proficiency -Strong knowledge of SIP protocol and SIP routers/proxy servers/SS7 -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVRs/Auto Attendant Development. -Wireshark - Expert Cisco Routing and Switching technologies. Centos/Fedora/Red Hat Enterprise Linux Various Billing solutions: -A2Billing: Full proficiency (configuration from scratch, customisation) -CDRTool (prepaid billing/accounting and sip tracing for OpenSIPS using RADIUS) -CDR-Stats (call detailed statistic/realtime stat for asterisk and freeswitch) - vBilling (billing for Freeswitch) Above all, a passionate technical writer, who enjoys writing down great tutorials in his free time :)  less

    cisco-routers cisco-voip sip linux-system-administration vicidial elastix trixbox a2billing freepbx asterisk 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 1182 HOURS
    • MALAYSIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • Systems Administrator; Windows,Linux,Cisco,Asterisk,VMware,Security

    Systems Admin; Windows,Linux,Cisco,Asterisk,VMware,Security I have extensive experience in deploying, configuring and troubleshooting production; Windows Servers 3+ years, Linux Servers 4+ years, Cisco routers 2+ years, VMware ESX/ESXi 1+ years, Oracle Virtualbox headless 1+ years … more

    Systems Admin; Windows,Linux,Cisco,Asterisk,VMware,Security I have extensive experience in deploying, configuring and troubleshooting production; Windows Servers 3+ years, Linux Servers 4+ years, Cisco routers 2+ years, VMware ESX/ESXi 1+ years, Oracle Virtualbox headless 1+ years. Windows Servers– 2003, 2008, 2008R2, SBS2008, SBS2011 Windows Applications – Active Directory, Exchange, Group Policy, Terminal Services (RDS), RDP, VPN, MSSQL, Firewall, WSUS, Tomcat, FTP, SMB/CIFS, SSL/TLS certs, AV Server, NTP, DNS Linux/Unix Servers – Centos5/6, Scientific, Clearos, Pfsense, VMware ESXi, Debian (not production), Ubuntu (not production) Linux/Unix Applications – Apache, Tomcat, LDAP, Samba, Openfire, Asterisk/VOIP, FTP, VPN, Postfix, Horde, Proxy, soft RAID, MySQL, Redmine, Cpanel WHM, BIND, openssl, IPtables, Fail2ban, Curl, Snort, openSSH, VLAN, TFTP, OpenVAS, Nmap, Truecrypt Cisco Routers – 1800 Series (1841 etc) Cisco Applications – NAT, PAT, QoS, ACL, SSH, VLAN VOIP IP phones – Polycom, Cisco, Linksys, Yealink, Grandstream Monitoring Applications – GFI MAX, Solar Winds Backup Applications – Veeam, Norton Ghost, Backup Assist, iDrive, Allwaysync Some of the tools i use: RDP, putty, openssh, openpgp, telnet, secureCRT, SDM, scp, winscp, wireshark, tcp dump, teamviewer, logmein, openvpn I enjoy problem solving tough issues and crave challenging roles to apply my persistent (don't give up) attitude. I get immense satisfaction upon solving difficult problems. I continue to seek new knowledge in all things hardware and software related but particularly in voip, virtualization, security, networking and backup/DR.  less

    windows-administration network-administration linux-system-administration software-debugging firewalls iptables security asterisk sip vmware-esx virtualization technical-support ssl vpn openvpn pfsense snort mail-server-implementation microsoft-exchange-server cisco-ios dns ldap penetration-testing telephone-skills microsoft-small-business-server-administration data-backup disaster-recovery ui-design windows-xp-administration microsoft-outlook-development open-office whm windows-nt-administration xmpp 00 more less
    • $21.11 HOURLY RATE
    • 5.0
    • 1683 HOURS
    • THAILAND
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 19 TESTS
  • Web Developer - OpenCart/WordPresss/PHP/MySql/Responsive/eCommerce

    Do you want to hire a real 9+ years skilled E-Commerce Professional? [OPEN CART PROFESSIONAL] <ASK ANYTHING YOU LIKE FOR YOUR STORE. I WILL BUILD THAT FOR YOU !!!!> My skills and experiences are following 1) - OpenCart, WordPress, OsCommerce, X-Cart, 3d … more

    Do you want to hire a real 9+ years skilled E-Commerce Professional? [OPEN CART PROFESSIONAL] <ASK ANYTHING YOU LIKE FOR YOUR STORE. I WILL BUILD THAT FOR YOU !!!!> My skills and experiences are following 1) - OpenCart, WordPress, OsCommerce, X-Cart, 3d Cart etc. - Web Service, Ajax, XML, JSON, RSS - MySQL, HTML, HTML5, PHP, JSP, CSS, java script, jQuery <--Top Quailty and Tight Deadline is my main personality in Developing.--> <However, If for any reason you are not pleased with my product then I will be happy to refund full money from you> ----I Love the Software World------ Dear Hiring Manager Thank you for taking the time to look at my resume. I am an Honest young programmer, I am from Bangldesh. I think when you are outsourcing for a contractor to complete your project, trust is very important, without trust, you have nothing. If you are looking for a reliable contractor to finish your project on time, then look no further, you have found the right person. --------------------------------------------------------------------------------------------------- If U have chance to work with me then U will not leave me Forever.. -------Client Satisfy Perfectly -------Top Quality -------I do not exceed agreed budget. -------I do not exceed deadline.. -------Fantasty UI Design and Perfect and skilled Coding. I will always make best effort to satisfy clients requirements. I will always provide best result for clients. Best Regards.  less

    opencart oscommerce wordpress wp-ecommerce mysql psd-to-html html css jquery javascript network-administration computer-networking windows-administration java windows-xp-administration cisco-routers adobe-acrobat adobe-photoshop sip adobe-flash microsoft-visual-basic dhcp seo x-cart bigcommerce css3 html5 c c++ ajax core-java netbeans php phpfox cakephp phpmyadmin phpnuke phpbb 00 more less
    • $8.89 HOURLY RATE
    • 4.8
    • 1196 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 40 PORTFOLIO ITEMS
    • 8 TESTS
  • VoIP Expert / IP-PBX Specialist

    Over 10 years hands-on experience. i have a great knowledge on VoIP Hardware and Applications from open source softswitches, MultiTenant PBX and predictive dialers (Asterisk, Freepbx, FusionPBX, BlueBox, Thirdlane, FreeSwitch, A2Billing, Elastix, Trixbox, Vicidial, GoAutoDial, etc), to licensed softswitches (Voipswitch … more

    Over 10 years hands-on experience. i have a great knowledge on VoIP Hardware and Applications from open source softswitches, MultiTenant PBX and predictive dialers (Asterisk, Freepbx, FusionPBX, BlueBox, Thirdlane, FreeSwitch, A2Billing, Elastix, Trixbox, Vicidial, GoAutoDial, etc), to licensed softswitches (Voipswitch, Nextone, Voicemaster, PortaOne, Mera, etc) and other VoIP gateways. I have at least currently total of 500 IP-PBX server deployments and also do provide VoIP termination services. I work as a part-time consultant for a number of VoIP companies in the Philippines. I have a broad knowledge about networking and wireless. this includes routers, firewalls, access points and VSAT. I also do hardware/software troubleshooting and web designing (joomla and wordpress) and basic programming (php, html and perl) I am confident that i can deliver any work satisfaction guaranteed  less

    vicidial elastix trixbox pfsense sugar-crm vtiger paypal-api a2billing freepbx freeswitch asterisk hardware-troubleshooting teamviewer centos linux-system-administration windows-administration computer-repair call-handling network-security computer-networking windows-xp-administration paypal-integration yahoo-messenger wordpress html perl ajax filipino sip cpanel adobe-photoshop blackberry-app-development ftp skype video-editing dj video-conversion lotus-notes vmware-administration 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 1404 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 15 PORTFOLIO ITEMS
    • 4 TESTS
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