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A2Billing Job Cost Overview

Typical total cost of Upwork A2Billing projects based on completed and fixed-price jobs.

Upwork A2Billing Jobs Completed Quarterly

On average, 8 A2Billing projects are completed every quarter on Upwork.

8

Time to Complete Upwork A2Billing Jobs

Time needed to complete a A2Billing project on Upwork.

Average A2Billing Freelancer Feedback Score

A2Billing Upwork freelancers typically receive a client rating of 4.61.

4.61
Last updated: July 1, 2015

Popular A2Billing Searches

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  1. alexander Merkulov

    alexander Merkulov Agency Contractor

    Asterisk/voip/a2billing/freepbx/kamailio expert

    Ukraine - Last active: 4 days ago - Tests: 6 - Portfolio: 5

    My time is my value. So when you choosing me you can expect that job will be done in short terms and perfect. I not like to do something that not need be done, i prefer use developed components and solutions. That not mean i can't do development. I working with different programing tasks for last 26 years. yes, from 6 y.o. I live in it. So i prefer do something new&interesting; I can handle all tasks from linux administration/virtualization upto end-user web for voip. Only task i never do - graphical design part. That is not my field, better hire someone else for design. I have university degree, working with asterisk from start of this project. Have developing experience with freepbx/trixbox&a2billing. I am one of contributor of a2billing.org trunk. Also i can work as mysql/postgres DBA, database architect, has experience with following languages: Perl Python PHP C/C++ Javascript SQL Prolog/Lisp,Forth. In voip i can work with callweaver, asterisk, opensips, kamailio. Developed modules for freepbx, elastix, trixbox, a2billing.

    Associated with: UA Prime Agency

    $67.77 /hr
    545 hours
    4.97
  2. Muhammad Sohaib

    Muhammad Sohaib

    VOIP Developer, Asterisk, A2billing, Freeswitch , AGI, IVR, PHP, MYSQL

    Pakistan - Last active: 11/02/2013 - Tests: 5

    I have more than 5 years of experience with different tools of VoIP Especially Asterisk. I got hands on experience of Asterisk, Click2Call, Callback, A2billing, Vicidial and AGI custom script writing, IVR development using PHP, Mysql. I have the ability to learn new technologies through the use of self-study materials and intuition. I pay close attention to details while performing technically detailed tasks. I have reasonable experience with: - Asterisk distinctive Dial Plans and IVR - A2billing customization and Redesign - Asterisk Integration with Web Applications and CRM. - IVR development - AGI script writing - VICIDIAL a predictive and auto dialer redesign and customization - FreePBX and Trixbox for small office/home offices I have been working in a challenging and competitive environment where I practically applied and improved my technical knowledge & experience acquired from my education & career, concurrently groom my personality by working in a team of competent individuals.

    $27.78 /hr
    249 hours
    4.95
  3. Mohamed Fahim

    Mohamed Fahim

    Expert in Asterisk, A2billing, Elastix and AWS, Cloud telephony

    Sri Lanka - Last active: 1 month ago - Tests: 4

    Over the last nine years I have actively engaged in designing and implementing VOIP telephony related infrastructure which involved in installation, provisioning and commissioning of highly complex VOIP solutions using Asterisk, A2billing, Elastix, Asternic, PIAF, Trixbox and Amazon AWS cloud telephony, Azure, HP Cloud, Rackspace and Digital Ocean Asterisk telephony installation. Provides call centre solutions using Asterisk, A2billing and Asternic. G729/G723 codec installation also Genband C3, Genband G9, Genband T800, Genband S3, Nextone VOIP Support.

    $16.00 /hr
    760 hours
    4.91
  4. Mehul S

    Mehul S

    VoIP / Asterisk / Vicidial / FreePBX / A2billing / Kamailio Developer

    India - Last active: 7 days ago - Tests: 2 - Portfolio: 2

    As part of expertise i have build communication platform which provides all kind of customize VoIP Solutions. Cutting Edge technology and consulting with keen focus on Open Source Tele-Communication solutions designed, tested, and proven specifically for large enterprise organizations and telecommunication carriers. I work extensively with large scale & small scale telecom infrastructures, most specifically with next gen private SIP & IMS based networks For enterprises with an eye towards Open Source, I can help: ----- Identify cost saving opportunities within your telecom & network infrastructure by evaluating Open Source's viability within that infrastructure ----- Write specs for communications based custom development projects... if you have an idea I can determine how to execute that idea using Open Source telephony software. ----- Evaluate telecom services from multiple carriers in the design and configuration of mission critical distributed networks. My professional goal is to show enterprise organizations, carriers, and call centers that Asterisk and other Open Source software is a viable, reliable, secure, and flexible solution for large IP PBX deployments and also for Voice / Video Communication over a long distance Services & Project Undertaken on OpenSources: * Customize VoIP Solutions * Asterisk * OpenSER, OpenSIPs * Asterisk Billing * ViCiDial * TrixBox * FreePBX * vTiger * LimeSurvey Offered Solutions : * Video Telephony, Conferencing * Video On Demand * Multicasting * Video Survillience * Auto Dialer integrated with CRM * Click to Call on Web * Call Tracking * Custom IVR Services * Mass Marketing Dialer (Voice Broadcasting) * VoIP Billing • SIP/H323/IAX Gateways/Switches, • Call Centre Solutions, • IPPBX Solutions, • Calling Card/Call back Solutions.

    $25.00 /hr
    0 hours
    0.00
  5. Arsen S.

    Arsen S.

    VoIP Administration & Development

    Bulgaria - Last active: 2 days ago - Tests: 2 - Portfolio: 6

    I am focused in VoIP field only and I have been working here for more than 8 years. My Area of experiences: VoIP -Asterisk PBX: Full proficiency -FreeSWITCH: Full proficiency -Yate: Full proficiency -Strong knowlege of SIP protocol and SIP routers/proxy servers -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVR and Auto Attendant Development -Secure VoIP: TLS, SRTP, ZRTP Full proficiency in free Billing/CDR 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) -cgRates (billing for Freeswitch) I provide: - Development of custom Billing and software solutions for Premium Rate Numbers business. - HA and Scalability solutions for existing VoIP networks. - Development and optimisation of VoIP networks/projects. - Ongoing support via request/ticket tracker system. - VoIP Security and Hacker protection solutions. I have successfully completed large amount of commercial installations of VoIP PBX servers. From SOHO to Enterprise deployment including integration of various VoIP solutions into existing network environment. I also have experience in building of secure "bastion" VoIP/Linux servers. Payment Terms: Minimal support package 5 hours. Short-term hourly support: $50 For long-term support please contact for price options. For sizable development projects please contact for price options. We charge upfront scoping (roadmapping meeting, flat-rate). Hourly based projects: -Current hourly rate is $50. Price per projects/feature: -Fixed price projects are calculated based on the hourly rate and expected task complexity. -For all fixed price projects complete project specification with clear tasks description is required -For all fix price projects work will be started only after payment has been es-crowed and both parties have agreed with working terms.

    $55.56 /hr
    175 hours
    4.54
  6. Oubram Mohamed

    Oubram Mohamed Agency Contractor

    Asterisk/Elastix/Freepbx/VoIP/Chan Dongle/Raspberry/Network specialist

    Morocco - Last active: 5 months ago - Tests: 3 - Portfolio: 2

    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.

    Associated with: BRAMZ, BlueGoose Tech

    $21.11 /hr
    232 hours
    5.00
  7. kashyap patel

    kashyap patel Agency Contractor

    6 Year Experience In VoIP,SIP,Asterisk,Elastix,VICI,A2Billing,Tribox,

    India - Last active: 21 hours ago - Tests: 6 - Portfolio: 9

    Installation Expertises in Asterisk, Freeswitch, vicidial, astercrm, A2billing, Free PBX, Elastic etc. IVR specialist in asterisk Advanced Dialplan in asterisk Useful and cost-effective phone management system planning & designing & installation Expertises in Digium, Sangoma, Openvox and other type of PRI & PSTN Card installation. Connecting Multiple Asterisk Server & Cloud Solution for asterisk Call centre setup using vicidial Advanced Voice broadcast system Training on Asterisk Advanced Call Recording Solution using Asterisk Specialties Asterisk, Freeswitch, vicidial,A2billing, Free pbx, elastic, PRI & PSTN card installation, call centre setup, Advanced IVR, Cloud solution using asterisk, training on asterisk, voice broadcast etc.

    Associated with: Kingasterisk technologies

    $16.67 /hr
    26 hours
    3.98