A2billing - WHMCS Create & Control PrePaid VoIP accounts Module (A2PrePaid)

A2billing - WHMCS Create & Control PrePaid VoIP accounts Module (A2PrePaid)

Developed By Cloud4Hosting.eu

Compatible with WHMCS v7.8


A2billing WHMCS Pre-paid module allows your clients to order a pre-paid VoIP account on A2billing VoIP billing system and instantly send SIP account access details using WHMCS mailer.

Adding funds to A2billing account via WHMCS is easy, simply add a new product in WHMCS & set package price. On order funds will be added to A2billing account instantly.

With this module set up, you can further secure your A2billing server and use WHMCS as your client front end instead of A2billing client area.

Top Features

  • Create, Suspend / Un-suspend, & terminate A2billing account
  • Add / Remove SIP/IAX Extensions
  • Passes client number as CallerID & option to Change Caller ID
  • Send Welcome Email with SIP/IAX account details
  • Create products with SIP/IAX configuration options (such as a2billing client group, call plan, TYPE, NAT,ALLOW,DISALLOW,notify on low balance, etc..)
  • Create products for Refill / Add credits on A2billing
  • Offer free credit for new orders
  • Extend A2billing payment options by using any WHMCS supported payment gateway

Client Configurable Options (Price per client choice)

  • Amount to Refill / Add to A2billing balance
  • IP Based SIP/IAX Authentication

Client Area:

  • Show Balance on A2biilling + SIP/IAX/A2billing Info
  • Change SIP/IAX Secret / password
  • Call Rates (per client assigned call plan)
  • Call History (Includes search, Download PDF,CSV,EXCEL & Printable version)
  • Create new SIP/IAX extensions
  • All client area is fully editable & customizable using the provided .tpl template files.


  • Will automatically create invoice, receipt & e-payment logs in A2billing for each credit or payment made via WHMCS


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Version Compatibility

Compatible with WHMCS v7.8

Full Version Compatibility

  • All versions of WHMCS v7.8
  • All versions of WHMCS v7.7
  • All versions of WHMCS v7.6
  • All versions of WHMCS v7.5
  • All versions of WHMCS v7.4
  • Selected versions of WHMCS v7.3
  • All versions of WHMCS v7.2
  • All versions of WHMCS v7.1
  • Selected versions of WHMCS v7.0
        7.0.0 - 7.0.2
  • Selected versions of WHMCS v6.3
        6.3.0 - 6.3.1
  • Selected versions of WHMCS v6.2
        6.2.0 - 6.2.2
  • All versions of WHMCS v6.1
  • All versions of WHMCS v6.0

System Requirements

  • Asterisk - Realtime
  • A2billing v2.0+

* Requirements listed are in addition to the WHMCS default system requirements.

Support for this product

The best place to start if you need help with a specific product is to contact the developer. All WHMCS Marketplace developers have both a website and support URL listed.

Developed By Cloud4Hosting.eu


v2.4.3 Released June 14th, 2018

Latest Version

###General Updates

  • Added support for WHMCS 7.5.2+
  • PHP 7.2+ using Ioncube 10.2+


Previous Versions

v2.4.2 Released February 12th, 2018

View/hide detailed changelog


  • Fix for "Invalid License" issue due to changes on the license server
  • Added support for WHMCS 7.5
  • PHP 5.6-7.0


v2.4.1 Released April 19th, 2017

View/hide detailed changelog

###General Updates

  • Added support for WHMCS 7.2-7.4
  • PHP 5.6-7.0


v2.4 Released February 7th, 2017

View/hide detailed changelog

###New Features

  • Add IP based Authentication
  • A2Refill: Add Option for client to refill in any amount
  • Admin Change Caller ID Per extension or Account
  • Support latest A2billing v2.3+


v2.3 Released October 7th, 2015

View/hide detailed changelog


Date: 07 March 2016(Future release) ###New Features

  • Add IP based Authentication
  • A2Refill: Add Option for client to refill in any amount
  • Choose Caller ID Per extension or Account
  • Import A2billing clients
  • Call rates: User call rates (per user call plan) & Public version.
  • DID number Support (in "wish" list)
  • Multi A2billing Server support (in "wish" list)

Wish list: This might be excluded from the update temporarily or permanently.

Any suggestions, ideas or wishes are always welcome! please drop us a ticket


Date: 7 Oct 2015 ###General updates

  • Fully compatible with WHMCS 6.2+
  • Supports PHP 5.3/5.4/5.5/ 5.6 (for 5.6, please open a ticket to download 5.6 files)
  • All main module settings are now under the Addon module (in addition to the per product settings)
  • Improved error logging


Date: 1 June 2015 ###Client Area

  • Random SIP/IAX Secret Generator/Updater
  • Added Product detailed info (Balance,SIP/IAX/A2billing Info) Template file: clientarea.tpl
  • Added Call History / Call Rates links to product page
  • Call History export to PDF,CSV,Excel,Printable version

###Added functions

  • Admin: Change Caller ID (Once Phone number changes, click on "Change caller ID" to update A2billing)
  • Added new WHMCS Client Field for A2billing ID
  • A2billing Admin URL can be set
  • Module product settings renamed
  • Module can work with non empty A2billing - Works with A2billing -> WHMCS Client Synchronizer


See also

FraudLabs Pro Fraud Prevention

Fraud prevention plugin to detect payment fraud - reduce fraud chargeback & high risk transactions

Order Notes

Staff need to make a note

WHMCS Order Assistant

Order Assistant helps you to automate order management process. It can automatically accept Pending Orders; send an email or open a ticket with client; and cancel the order if no payment is made still.

Product Limiter

Allows you to limit the purchase of an products/services for each client

Lara, Fraud Control

Allow you to to have custom fraud control per payment gateway.