Freeswitch Freelancers

Showing 25 freelancers

Freeswitch Freelancers

Showing 25 freelancers

  • Voice over IP Developer

    - Design, implementation and deployment of VoIP services for various open source platforms including Asterisk, FreeSWITCH, and OpenSER. - Implementation of Database connection pooling using unixODBC and MySQL Proxy. - Call rate web service for Vopium SIP client applications using LAMP. - Design and … more

    - Design, implementation and deployment of VoIP services for various open source platforms including Asterisk, FreeSWITCH, and OpenSER. - Implementation of Database connection pooling using unixODBC and MySQL Proxy. - Call rate web service for Vopium SIP client applications using LAMP. - Design and implementation of High Availability Linux Cluster, providing Failover for SIP users. - Development and bug fixing of call routing and billing services using Asterisk and Perl AGI’s. - Inbound Call center setup using Asterisk. - OpenSER Stress Testing using SIPp and WinSIP for SIP and PSTN terminated calls. - Mutiple DB connection handling for AGI failover Skills: C/C++/ Asterisk/OpenSIPS/Freeswitch, PHP, Python, Perl, MySQL  less

    asterisk opensips freeswitch linux-system-administration perl python tcp-ip vicidial mysql a2billing 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • UNITED ARAB EMIRATES
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 3 TESTS
  • whmcs expert developer

    I have 7 years of experience in WHMCS and WHMCS modules development ,whmcs theme customization , whmcs payment gateway modules, whmcs re-seller modules development,whmcs domain registrar, Whmcs + iphone app development , whmcs + wordpress . I have handled more then 100 projects and … more

    I have 7 years of experience in WHMCS and WHMCS modules development ,whmcs theme customization , whmcs payment gateway modules, whmcs re-seller modules development,whmcs domain registrar, Whmcs + iphone app development , whmcs + wordpress . I have handled more then 100 projects and have integrated many complex payment gateways.I have experience in creating multi language websites in WHMCS. Apart from Expertise in WHMCS I have strong hand in Asterisk , PBX , VOIP, a2billing as well. There are lots of modules that I have created and customized in a2billing. I love programming and I am always eager to take new challenges. I have also developed websites in Joomla, Wordpress and core PHP with MySql. I have also developed web applications for Real Estate and Multi Level Marketing.  less

    whmcs cakephp payment-gateway-integration whm a2billing asterisk freeswitch payment-processing paypal-api authorize.net django-framework api-development youtube-api api-documentation ios-development 00 more less
    • $15.22 HOURLY RATE
    • 4.5
    • 3462 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 5 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Linux and VoIP Engineer

    OS: linux (gentoo, altlinux) over 10 years using/administration Lang: perl, lua, shell (java and erlang studying) VoIP: asterisk, freeswitch, gnugk (over 7 year administration) PBX: Si2000 (v.5), Definity administration (SS7, ISDN) DB: mysql, postgresql Editor: LaTeX

    linux-system-administration freebsd unix-shell perl asterisk freeswitch voip-administration mysql postgresql 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • VoIP,SIP,Asterisk,FreeSwitch,Opensips,Kamailio, Linux,MySQL,PHP,Apache

    Over the last 3.5 years, I have developed a wide range of IT solutions including VoIP, Web and Mobile development for small businesses and startup companies as well as for large companies. I have experience in VoIP, FreeSwitch, Opensips … more

    Over the last 3.5 years, I have developed a wide range of IT solutions including VoIP, Web and Mobile development for small businesses and startup companies as well as for large companies. I have experience in VoIP, FreeSwitch, Opensips, Kamailio, Asterisk, FreePBX, A2billing, Linux, Opensource Consulting, MySQL, PHP, Joomla, Android, asp.net-mvc, c#, .net-framwork etc. I have developed class4-class5 Soft Switches, SIP Proxy, FAX Servers, Fax2mail, Fax over IP, Messaging Servers, Session Border Controllers, IVR application, Web Applications and many others. My core competency lies in complete end to end IT solutions for VoIP, Web and Mobile technologies.  less

    voip-administration sip opensips asterisk freeswitch voip-software php radius android-app-development joomla mysql phpmyadmin website-development html html5 javascript jquery css css3 asp asp.net asp.net-mvc c# .net-framework 00 more less
    • $16.50 HOURLY RATE
    • 5.0
    • 386 HOURS
    • INDIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 6 TESTS
  • iOS, Android, Symbian, C/C++, Linux and Web Developer

    During the last 3 years, I have been developing iOS (iPhone and iPad) applications. I have created some applications already on store and I have created many libraries and components for other applications. I have also used my past Linux … more

    During the last 3 years, I have been developing iOS (iPhone and iPad) applications. I have created some applications already on store and I have created many libraries and components for other applications. I have also used my past Linux experience to port other libraries to the iOS platform. During my 10 years of experience, I have developed a wide range of Linux applications, libraries and services mostly in C and C++. During this time, I have also ported some libraries and applications in other platforms and I have good experience in cross-compiling, embedded systems and embedded Linux. Also, I am a member of Innuva Mobile SWAT Team, which is a Mobile Application Development Team specialized only in Mobile Applications, covering all existing Mobile Platforms. This is the Portfolio for Innuva:- http://www.innuva.com/content/InnuvaPortfolio2012.pdf  less

    iphone-app-development ios-development objective-c c++ c c# arabic cocoa cocos2d freeswitch linux-system-administration php embedded-linux symbian-development android-app-development voicexml bash perl qt youtube-api xml arduino amazon-ec2 amazon-rds amazon-s3 00 more less
    • $13.30 HOURLY RATE
    • 5.0
    • 25 HOURS
    • EGYPT
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 8 TESTS
    ASSOCIATED WITH:
  • Mobile Games and Back end Solutions Developer

    I want to develop effective and efficient applications. I have been providing solutions to local business in Rawalpindi and Islamabad. I have worked in various software projects including xmpp chat client/servers, mobile game development, Corona SDK development(apps and … more

    I want to develop effective and efficient applications. I have been providing solutions to local business in Rawalpindi and Islamabad. I have worked in various software projects including xmpp chat client/servers, mobile game development, Corona SDK development(apps and games), automating/scripting, android app development, windows 8 metro development, telecom based LBS , Asterisk, PBX, Freeswitch, VOIP solutions. I like to work fast and complete my tasks earlier than the deadlines so as to assure the perfection and quality of my work.  less

    c# java php mysql postgresql corona-sdk linux-system-administration lua freeswitch asterisk javascript network-security xmpp python apache-administration node.js autohotkey 00 more less
    • $22.22 HOURLY RATE
    • 4.5
    • 0 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
    GROUPS:
  • PHP ajax jquery Mysql Sphinx Codeigniter CakePHP Yii Zend Drupal, WP

    Unique combination of expert developer, experienced architect, indemand DB admin and professional system administrator qualifies me for most of the jobs. This combination help employers reducing project cost and results in effective communication by having one expert for all there … more

    Unique combination of expert developer, experienced architect, indemand DB admin and professional system administrator qualifies me for most of the jobs. This combination help employers reducing project cost and results in effective communication by having one expert for all there IT needs. I have architect and developed large scale web applications. I have expertise with all major PHP frameworks including Codeigniter, CakePHP, Yii, and Zend. I have been doing CMS development for number of years, customized and developed hundreds of modules for Drupal, Joomla and Wprdpress. I worked in a key position for world second largest B2B portal, this gave me in-depth knowledge of online business and helped me creating successfully running online stores using osCommerce, Magento, Creloaded, Zencart, Opencart and VirtueMart. I have great experience in handling large number of servers on production environments, and have written tons of maintenance script. I have in depth knowledge of replication, clustering, multi-master and master-slave handling. Performance tuning is my field of expertise .I have done hundreds of optimizations jobs for heavy traffic websites . Not only this I have great experience with Linux maintenance (Centos, Debian, Ubuntu), Cloud hosting, Networking , Web servers (apache, nginx, lighttpd, tomcat), Mail servers ( PMTA, MTA, exim, postfix), Bulk marketing and Hosting panels (Cpanel/WHM, Plesk, Directadmin). Field of Specialization: • Programming, Web Applications and Ecommerce Solutions • Database design and Management • high traffic website's scalability • Sphinx Full-text Search Engine • Memcached • Database Optimization • Query Optimization • Performance Optimization • Landing pages optimization • Security Auditing of website • Architecture Improvements • Sphinx Real-time indexes ( RT indexes ) • B2B Expert. System Admin / DBA Expertise: • BASH programming • LAMP administration • Percona Server • MariaDB • Drizzle Database server • mission-critical production environments. • Sendmail, Exim, Postfix • iptables • APF firewall • tcpdump, iostat, vmstat, gdb • Nginx • LVS ldirectord • DB constraints and Integrity • Multi-master replication • master-slave replication • Nagios • Cacti Templates • Backup / Restore processes using backup utilities Xtrabackup, LVM snapshots, mysqldump. • Views, stored routines include stored procedures, triggers • InnoDB and NDB Cluster • Maatkit Percona tool set • Percona Xtrabackup tool • C-Shell , Bash and Perl scripting • High Availability with Active/Passive Master using heartbeat & DRBD. • Pacemaker, MHA & MMM • Amazon MySQL Cloud • MySQL Super Smack Areas of Interest: • Open Source development (LAMP) • Databases (MySQL) • Project Management • SEO • Mathematics • IVR applications • Agile Methodology • SVN Processes: • Kanban • Agile Methodology • Traditional Project Management • Cross functional Teams Professional Profile: • Proven ability to develop high-performance applications and technical innovations. • In demand team leader with proven ability to transform concepts into online, interactive reality. • Savvy webmaster and polished, persuasive communicator. • In-depth knowledge of organic search engine optimization. • Combine creative, artistic talent to deliver revenue enhancing, market oriented sites. • Can manage dedicated and shared servers using RDC and all types of hosting panels Other Expertise/Tools: Joomla, VirtueMart, osCommerce, Wordpress, Drupal, Magento, VIM, command line, delta index, distributed index, Plesk, Helm, H-Sphare, cPannel, Complex Web scrapper, Email data extractor, Intelligent bots, cron jobs, Snoopy, Regular Expression, Power MTA, PMTA, port25, Email Marketing, Thrift, sms api integration,SVN, IVR,Kannel,Open Source WAP and SMS Gateway http://www.linkedin.com/in/opensourceguru  less

    php mysql sphinx website-development memcached database-administration lamp-administration apache-administration seo security web-content-management oscommerce wordpress drupal joomla virtuemart magento creloaded on-page-optimization architectural-design performance-testing regular-expressions crawlers web-scraping data-scraping mail-server-implementation postgresql email-marketing sendmail email-handling email-deliverability-consulting apache-thrift smtp vim linux-system-administration unix-system-administration unix-shell plesk cpanel ibm-websphere indexing database-management database-design database-modeling erp domain-migration sms svn git github subversion tortoise-svn twilio-api paypal-api paypal-integration network-security rackspace-cloudservers b2b-marketing adobe-dreamweaver exim bash nosql soapui xml xml-web-services python bluebox freeswitch freepbx continuous-integration apache-ant phpmyadmin phpfox bugzilla redmine sms-gateway weberp account-management nagios crm 00 more less
    • $27.78 HOURLY RATE
    • 4.9
    • 589 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 3 TESTS
    GROUPS:
  • Linux Sysadmin/Asterisk,Openser,Kamailio,Opensips developer/CISCO exp

    Speed and quality are my second and third names Escrow on start, released upon completion, no exceptions! I don't stop until your project is done. I don't want to be involved in projects promoting porn, aggressive marketing, spamming … more

    Speed and quality are my second and third names Escrow on start, released upon completion, no exceptions! I don't stop until your project is done. I don't want to be involved in projects promoting porn, aggressive marketing, spamming, etc! I've lost count of the number of VoIP/Linux/Cisco installs and upgrades and modifications I've carried out. I'm also a developer member of various VoIP projects so I'm able to offer much more value and choice in all areas of VoIP eg. custom Asterisk modules, modifying Openser(Kamailio) or Asterisk's source code to make custom features, etc. I am not one of the many bidders who bid for everything with a generic sales pitch. I specialize in VoiP/Cisco/Linux only and do not work with anything else. I also support all my work for 6 months after completion in case of upgrades etc. for a low price. Summary - 13-year experience with VoIP engineering, over 13 years with IP networks - Certified Cisco Network Administrator - Hands-on with VoIP and telecom equipment, standards and technologies - Wide range of successfully deployed VoIP services and applications - Strengths in implementation of complex projects paying attention to details - Creative problem solver, high degree of initiative - Analytical skills to examine data and provide the most efficient solution Technical Expertise Signaling protocols: SIP, H.323, MGCP, ISDN, SS7,R2 Soft-Switches: Nextone MSW, Cisco PGW, OpenSER, Teles TDM switches: Lucent LCS/Plexus, Harris VoIP gateways: Cisco AS-series, Quintum Tenor/CMS, Patton SIP phones: Cisco, Grandstream, Sipura, Snom, Asterisk Voice applications: Wholesale, ITSP, calling card, call shop, IVR, PBX, pre/post-paid billing, Asterisk2Billing, IP trunking, VoIP load balancing, voip bandwidth saving, custom C++ coding for Asterisk, Opensips, custom Asterisk and OpenSER/Kamailio/OpenSIPS modifications, Sipwise SPCE configs, OpenVox and Digium cards installation and configuration, fax to email, email to fax solutions, fax over ip IP networking: LAN/WAN connectivity, QoS, ATM/DSL, Cisco Routers (800, 1600, 2500, 2600, 3600, 6500/MSFC, 7200, 12000) and Switches (2900, 3500, 4000, 6500). Protocols: IP (Unicast and Multicast), BGP, EIGRP, OSPF. SONET/SDH (on an International network up to OC48/STM-16, including DWDM) - Cisco ONS15454. Leased lines (Kilostream, E1, E2, E3, T1, T3) Unix technologies: -Extensive knowledge and understanding of the various flavors of UNIX including: Debian, IRIX 5.2 - 6.4, Sun Solaris 2.x, HP-UX 8.x-9.x, Dec Ultrix 4.x, NetBSD, FreeBSD, AIX, Convex, OSF, Linux Suse 6.x - 7.1/Redhat 7.x - Enterprise - System installation, configuration, tuning and patching, accounting, security, monitoring, performance analysis device drivers, kernel configuration & patching, policy and politics - SLIP/PPP, LPD, LDAP, UUCP, RPC, BOOTD, SWAP, DHCP, DNS, INETD, NFS/NFS+, NIS, SH, BASH, KORN, REGEX, AWK, SUID, CRON, SYSLOG, etc. VoIP: Asterisk, Switchvox,OpenSER, Kamailio,OpenSIPS,TrixBox, FreePBX, Vicidial, Switchvox, A2Billing, Cisco Call Manager, Portaswitch and so on... - Architecture of high-load web-projects - Work in distributed development and operations teams including 24/7 on call duty - MySQL database administration (replication clusters, scalability techniques, optimization, backup) - All kinds of systems and networks administration (configuration management, automatic provisioning, load-balancing, load-distribution, high-availability clustering) Familiar in cloud development with using Openstack, Puppet, Razor and Cobbler. As you can see, I can do pretty much anything in VoIP, Cisco and Linux :) I have a positive attitude toward change and learning - I'm ready at anytime to suggest new ideas to get your project done creatively! You may also find us at http://voipfreak.net  less

    linux-system-administration asterisk opensips java windows-administration clustering nginx openvz mysql load-balancing freeswitch virtualization fax twilio-api nagios android-app-development freepbx radius puppet-administration 00 more less
    • $72.22 HOURLY RATE
    • 4.6
    • 41 HOURS
    • HUNGARY
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
    GROUPS:
  • Web and Voice Technology

    Over the last 8 years, I have installed and integrated more than 1000 asterisk and VoiP for startup companies and small businesses . some of them were call center looking for open source but reliable solution and some of them already … more

    Over the last 8 years, I have installed and integrated more than 1000 asterisk and VoiP for startup companies and small businesses . some of them were call center looking for open source but reliable solution and some of them already using open source like asterisk and ViciDial and wanted some changes either in look n feel, extra reports or some changes in dialplan I also have some experience in the following areas: PHP, Mysql, Linux My other Team members are expert in web and graphic designing and open source like joomla, drupal etc..  less

    asterisk joomla freeswitch drupal opencart oscommerce a2billing trixbox elastix vicidial 00 more less
    • $27.78 HOURLY RATE
    • 3.6
    • 68 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
    ASSOCIATED WITH:
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