A2Billing Freelancers

Showing 54 freelancers

A2Billing Freelancers

Showing 54 freelancers

  • Virtual Assistant, Customer Service & Sales Specialist, Nurse

    Extensively experience customer orientated professional with background in the business process outsourcing and medical industry looking for a job where my experience and qualifications will allow me to perform the task effectively and efficiently. SUMMARY OF QUALIFICATIONS: Highly experienced in … more

    Extensively experience customer orientated professional with background in the business process outsourcing and medical industry looking for a job where my experience and qualifications will allow me to perform the task effectively and efficiently. SUMMARY OF QUALIFICATIONS: Highly experienced in Customer Service, Inbound Sales, Administrative Tasks, Calendar Management, Travel Accommodation Management, Email Management, Recruitment, General and Medical Transcription, CRM Management, Web Research, Email Response Handling, Phone Support, Payment Processing, Virtual Assistance, Data Entry, VOIP and Order Processing, Customer service using a Ticketing system (Zendesk), Live chat support. Working experience in Outbound Sales, Appointment Setting - Sales, Team Management, Training and Development, Coaching, Website Content Writing, Blog and Article Writing, Creative Writing, Market Research and Surveys, and Project Management.  less

    administrative-support customer-service active-listening a2billing microsoft-excel medical-records-research skype sales lead-generation 00 more less
    • $5.56 HOURLY RATE
    • 5.0
    • 1778 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • 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
  • VOIP/Asterisk/Web Developer/Senior Software Engineer/Database Designer

    Having keen interest and experience in desktop and window service application development. Worked on some major projects related to inventory systems, Linux VOIP applications and store operation management systems. Programmed own SMS Communication library and SMS service from scratch for … more

    Having keen interest and experience in desktop and window service application development. Worked on some major projects related to inventory systems, Linux VOIP applications and store operation management systems. Programmed own SMS Communication library and SMS service from scratch for my company that is now being used by company's clients. Worked on IVRs and speech recognition engines to develop a machine-to-machine calling and speech recognition system for my company. Having strong software and database design concepts. Main expertise are in C#, C++, ASP.NET, Java, JSP, HTML, VOIP, SQL Server, MySql Strong grip on reporting tools like Crystal Report and MS Access Reporting features. Have worked and developed for Windows, Unix/Linux and Apple Mac OS X operating systems. Interested in game and graphical simulation application development for fun.  less

    asterisk voip-software a2billing sip openerp-development openerp-administration asp.net-mvc website-development xml-web-services wcf 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 4 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • Asterisk/Elastix/Freepbx/VoIP/Chan Dongle/Raspberry/Network specialist

    i am a VoIP specialist dealing with asterisk and voip billing 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 … more

    i am a VoIP specialist dealing with asterisk and voip billing 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 asterisk 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 installationsbased on asterisk. 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
    • 129 HOURS
    • MOROCCO
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • 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
    • $11.11 HOURLY RATE
    • 5.0
    • 1139 HOURS
    • MALAYSIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • ICT Consultant

    Vision Telecom is an assorted Information and Communication technology Services and Solution Provider and the market group leader in sales and distribution of various telecom products, parts and accessories. We provide tangible products such as VoIP Services,VoIP Solutions,Managed … more

    Vision Telecom is an assorted Information and Communication technology Services and Solution Provider and the market group leader in sales and distribution of various telecom products, parts and accessories. We provide tangible products such as VoIP Services,VoIP Solutions,Managed IT Services,Fiber Products, Wireless products,Ethernet, MDF accessories, Routers and Telecom Towers and eminent telecom services such as LAN Setup and provision of Layer 2 managed services,Metro Ethernet, WAN,Broadband Internet over fiber, Wireless PTP Links and point to multipoint links,IP Telephony,Fiber Optic Cable Splicing and Management ,SIP Trunking,PRI,E1 Lines,Leased Lines and lots of other Telecom services and products.Our mission is to contribute to the development of the business and Telecom Industry in the Pakistan and whole world by using the latest technological advances in the field to provide such businesses with affordable innovative high-standard data communication solutions to increase the efficiency of their operations.VISION TELECOM owns and operates a state-of-the-art network with its own established Points of Presence across various locations of Lahore,Karachi, Gujranwala, Dubai and UK. Through our partnerships with thebiggest telecommunication companies and incumbents in the region,we are able to offer you easy-to-procure, fast connectivity over a single network. Our extended reach and wide range of IT solutions and services make us a true one-stop shop for all your connectivity needs. VISION TELECOM imports a number of telecom, IT & data related equipments from different foreign countries, international manufactures & vendors and are in a position to supply you on very attractive rates and can meet all of your other requirements for imported material to your entire satisfaction.  less

    asterisk a2billing voice-over cisco-voip graphics-programming logo-design database-administration cisco-routers website-development wordpress 00 more less
    • $16.99 HOURLY RATE
    • 5.0
    • 0 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
    ASSOCIATED WITH:
  • 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
    • 3482 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 5 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • VoIP Developer

    I have 7 years of experience of Asterisk installation,configuration and making API with PHP for Asterisk. I have knowledge of SMS Gateway installation and configuration with mysql database. I have done FreeSwitch to make Billing application now. Expert in A2Billing and other VoIP Billing projects. Google TTS with DTMF is done by me.

    asterisk freepbx freeswitch a2billing php mysql elastix lua linux-system-administration trixbox vicidial 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 29 HOURS
    • INDIA
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 2 TESTS
    ASSOCIATED WITH:
  • 9+ years Server & Network Administrator

    Client's Satisfaction, Quick & efficient Solution Delivery guranteed. Profile: Experience of over 9 plus years in the field of Server/Network Administration with ISP, Corporate IT management. Serving as freelancer here over 1 year. - Platforms : Red Hat Linux, WINNT, VM … more

    Client's Satisfaction, Quick & efficient Solution Delivery guranteed. Profile: Experience of over 9 plus years in the field of Server/Network Administration with ISP, Corporate IT management. Serving as freelancer here over 1 year. - Platforms : Red Hat Linux, WINNT, VM Administration - Cloud : Amazon EC2-VPC, Loadbalancing, RDS, Route 53, S3, SNS, VPN,Firewall,Server administration, Rackspace - DBMS technologies : MySql - iis/apache/tomcat, Subversion,LAMP, - WHM / Cpanel build and administration in all sort of server platforms. - Website maintenance, migration, loadbalancing, DNS, SSL, Web Security - Email Server implementation, whitelisting, maintenance. - Jira, Confluence,Redmine administration, implementation & customization. - Mikrotik Router OS administration with ISP / WISP and total network implementation. - Asterisk / FreePBX / A2billing system building and administration - 24 X 7 availability for support & critical issues. - Contact: skype: nomanuahmed, Email: noman.u.ahmed@gmail.com  less

    linux-system-administration amazon-ec2 network-administration whm cpanel asterisk freepbx a2billing firewalls apache-administration apache-tomcat openvpn hardware-troubleshooting rackspace-cloudservers amazon-web-services 00 more less
    • $11.11 HOURLY RATE
    • 4.9
    • 3154 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 10 TESTS
    ASSOCIATED WITH:
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