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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, 2 A2Billing projects are completed every quarter on Upwork.


Time to Complete Upwork A2Billing Jobs

Time needed to complete a A2Billing project on Upwork.

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A2Billing Upwork freelancers typically receive a client rating of 4.34.

Last updated: October 1, 2015

Popular A2Billing Searches

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Mehul Shah

Mehul Shah Agency Contractor

VoIP / Asterisk / Vicidial / FreePBX / A2billing /GoAutoDial Developer

India - 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.

Associated with: Elision Technolab LLP

$25.00 /hr
129 hours

Mohamed Fahim

Mohamed Fahim

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

Sri Lanka - 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.

73% Job Success
$18.00 /hr
776 hours

Arsen S.

Arsen S.

VoIP Administration & Development

Bulgaria - 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.

100% Job Success
$55.56 /hr
193 hours

Imran I.

Imran I.

Mobile App Development, VoIP

Pakistan - Tests: 1 - Portfolio: 18

Having 13 years experience of Requirement Gathering, Software Designing and Software Development. I am trained for Agile Certified Practitioner, Project Management, ITIL and having 2.5 years experience of Agile SCRUM project management. I have extensive experience of Mobile App development and started in 2002 from Palm, Pocket PC, BlackBerry, J2ME, iPhone and Android. I have experience of developing software using ASP.NET, C#, MS Sql Server, VB 6 since 1999. I have designed and developed Mobile Sales Force/ Field Force Automation, CRM, Accounting, Transportation, VoIP and SMS related software solutions.

$18.00 /hr
0 hours

Oubram Mohamed

Oubram Mohamed Agency Contractor

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

Morocco - 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

88% Job Success
$21.11 /hr
232 hours

Tarik M.

Tarik M.

Asterisk, VoIP Expert, IP-PBX, linux, Server Admin, Firewall, OpenVPN

Bangladesh - Tests: 6 - Portfolio: 2

I have in-depth knowledge of experienced Asterisk, A2billing, Freepbx / VoIP & Network Administrator procedure and documentation. * Asterisk PBX installation, support, advanced VoIP services development * Advanced Call Recording Solution using Asterisk * Hosted PBX applications (Asterisk, Freepbx, Elastix, A2billing, asterisknow) * Call Center applications (Vicidial) * VPN/OpenVpn installation and support Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means I am also effective in digital and web graphics such as logo, banner, pdf forms and others related to arts and graphic designing. I am a multi-awarded Photographer. I am best in retouching photographs, making advertisements, retracing illustrations and making print materials such as flyers, brochures, posters, cd/dvd covers, packaging and labels, business cards and letterheads. I am a photo editor and web designer who believes in perfection. I am always available and welcoming to multiple feedback.

$17.00 /hr
0 hours