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DIY Billing for FreeSWITCH

Do it yourself billing for FreeSWITCH by Avi Marcus (talk)

  • For post-paid, you can simply post-process the CDRs.
  • To enforce a channel limit per account, you can use limit
    • <action application="limit" data="hash outbound ${accountcode} 4"/>
    • For just 1 machine, you can use in-memory 'hash'. To share the limit across several machines, use 'db'.
  • For setting a credit limit, you can schedule cutoffs. Calculate many seconds their remaining credit allows, then:
    • On your A leg: <action application="export" data="nolocal:api_on_answer=sched_transfer +3600 ${uuid} cutoff_incall"/>
      • after 3600 seconds from answer, transfer the call to an extension called cutoff_incall. Or, you can just sched_hangup with no message.
    • You can also schedule a warning message to the A user: <action application="sched_broadcast" data="+3540 playback::/tmp/1_minute_left.wav"/>
  • To enforce multiple channels with a strict prepaid, you need to be aware of the other active calls affect on the balance, otherwise 2 expensive calls can use up the remaining balance twice, leading to a large negative.
    • With $10 on their account, they might initiate two $1/minute calls. If you calculate based on the current balance and allow 2 channels, then each will cut off after $10 -- a $20 bill on only $10 of credit.
    • mod_nibblebill will let you bill calls on a set heartbeat, e.g. every 6 seconds. Be sure to save the charges in your CDRs so you can reconstruct why their balance went up or down.
    • There might be some other creative, hackish solution, but I haven't implemented one...

Open Source Billing Solutions for FreeSWITCH

ASTPP - Open Source VOIP Billing Solution

ASTPP is a billing solution for Freeswitch and Asterisk. It supports pre-paid and post-paid billing with call rating and credit control. It also provides many other features such as calling cards, least cost routing (LCR), did management, resellers, callbacks, etc. ASTPP is able to integrate with OSCommerce to provide a Web store for your users to purchase calling cards and sign up for VoIP accounts.


Key Features

Customer Account

  • Support for an unlimited number of customer accounts
  • Support a mix of Post-paid and Prepaid accounts
  • Your invoices can be generated on numerous different cycles: daily, weekly, monthly, quarterly, biyearly or yearly.
  • Apply charges to the customers’ accounts on a per account or per pricelist basis. This can be done in the same cycles as the invoices are generated at.

Reseller Support

  • Mulit layer reseller support
  • Reseller can add their own rates
  • Reseller portal

Call Rating Capabilities

  • Real-time freeswitch billing
  • Batch billing
  • Unlimited number of brands/pricelists
  • Very flexible call processing
  • Calls can be posted to ASTPP ie. Prepaid billing
  • Calls can be posted to 3rd party applications such as OSCommerce, Optigold, or AgileBill.
  • All charges are written to CSV files
  • Very powerful and flexible regex pattern matching applies the correct rate
  • Packages: Support to have X number of free minutes to Y locations. This will allow you to offer your customers X free minutes per month for Y price and bill after the minutes are used up.

Least Cost & Failover Routing

  • Provides redundancy based on cost
  • Powerful regex based LCR engine
  • Limit the number of simultaneous calls per trunk
  • Multiple trunks per provider

Credit Control

  • Allows you to control the length of your users calls
  • Keep prepaid users from spending more than they have purchased

DID Mapping

  • Dynamically map incoming DIDs to the correct user via the web interface
  • Impose credit controls on incoming DIDs.
  • Dynamically assign extensions to users.
  • Handles monthly billing for DIDs

Automated Account & Device Management

  • Automation supported via HTTP POST commands
  • Manage ASTPP accounts from 3rd party billing applications
  • Manage Asterisk devices from 3rd party billing applications
  • Manage DIDs from 3rd party billing application with inventory management

Calling Cards

  • Generate cards in bulk and enable as you go along
  • Support for connection & disconnection fees
  • Support a charge after X number of hours of usage
  • Support a charge after X number of days after first usage and repeats every X days.
  • Support expiration of cards X days after first usage
  • Bill in customizable increments
  • Integrate fully with Freeswitch and Asterisk.
  • Customer portal allows calling card users to view their cards status.
  • ANI Mapping

Vendor Billing

  • Track what your calls through each vendor should have cost. This assist in ensuring that all billing is correct.
  • Vendor login page which allows vendors to set their call costs.

vBilling. The First Open Source Billing Platform for FreeSWITCH

The first Open Source billing platform for FreeSWITCH. Take a look at http://www.vbilling.org/ to see all features and details.

Some of the major features includes:

  • Both Pre-Paid and Post-Paid model
  • Multiple administration access levels
  • Multiple reseller level
  • Easy rate/price management
  • Route management
  • Separate user interface to view their CDR(s) and billing information
  • Authentication by IP/ANI and SIP registration
  • Codec management for both user and switch
  • CDR statistics
  • Gateway statistics
  • Admin/Reseller/User management
  • Switch management from 1 GUI
  • Balance and payment information

... and much more.

Download and install via github http://github.com/digitallinx/vBilling or our website, http://vbilling.org/get-started/ The demo is available online and can be accessed using the following credentials


Admin Panel: http://demo.vbilling.org/ 
Admin Login: admin
Admin Password: vBilling 

Customer Panel: http://demo.vbilling.org/
Customer Login: demouser
Customer Password: demouser


If you have any questions, just drop us an email at support@vbilling.org or visit our support panel at http://support.vbilling.org/ or even the community forum at http://forum.vbilling.org/ and we would be happy to assist you. 

FreeSWITCH Viking

Wholesale Application

We are eagerly awaiting his posting an application on the git contrib. I'm finishing a "complete" wholesale application created on freeswitch and I was wondering whether it would be a good idea to put it up on the wiki. I just don't know how.

Features include all the following parameters configurable via web interface:

  • Profile creation based on server IP where traffic is received. You can have multiple IPs, system will create multiple profiles/diaplans so it can differentiate.
    • i.e. offer to the same customer a "gold" routing on IP1 and cheap routing on IP2
  • Customer add/modify/delete
    • IP source
    • Rates for client routes based on area code
    • Prepaid or postpaid.
      • When customer balance is 0, no more calls are allowed.
    • limit max channels
    • Media by-pass
      • When by-passed, customer and provider will exchange RTPs directly. Else, server will be in the middle.
  • Provider add/modify/delete
    • costs for provider routes based on area code
    • limit max channels
  • Routing based on areacode, gives great granularity.
  • Routes can be assigned multiple gateways/providers which can in turn be distributed based on weight. Includes overflow to next configured GW.
  • Basic financial report generation (totals) by customer/provider
  • Basic traffic ASR/ACD report (totals) by customer/provider
  • Basic user administration. (No access level, only total access)
  • CDR export to csv file.

Testing the BETA

You can test the BETA version by getting it from the git:

git://github.com/davidcsi/FreeSWITCH-Billing.git

Calling Card Application

I also have a prepaid card app... no web interface on that one though. I do the route selecting with a lua script. overflow and load distribution with mod_distributor loaded via curl.

  • You can have multiple card access numbers associated to a card "name"
  • Each card is associated with a rate table.
  • Each areacode in the rate table has a route to use, which in turn is a distributor gw list.
  • Every gateway is actually a provider which also has a cost table associated with it.
  • After the call duration is calculated, the app sets a shcedule-api to disconnect the call.
  • When the call is hung up, a CDR is posted to the webserver via xml_cdr.
  • This CDR contains all information regarding the call. i.e. rate, cost, clgnum, cldnum, gw_used, balance_before, balance_after, ratetable, costtable, etc...

 

CLI-based/Retail

I have now made a retail version for FreeSWITCH-Billing.

It works like this:

  • A specific context is created for this application.
  • Any calls which comes in on said context is handled by the retail script.
  • The script Looks up the incomming caller ID Number in a DB table.
  • The CLI is associated with a "Master" acount via the Master account's ID.
  • This Master account has a balance, a rate table and a username/password (for later use, this user will be able to check his traffic, balance, etc via web)
  • If the account has a positive balance, the rate table is used to apply a price per minute.
  • The Max talk time is calculated and set by the script and the call is sent out using the route tables (already existing in the wholesale side).
  • Once the call is finished, the CDR is posted using mod_xml_cdr on a web server and the receiving php inserts the cdr into the cdr table, also calculating and setting the cost of the call.

TO DO:

  • web pages for the client to check out his balance, clis, etc.


I will upload this into the github this weekend!

Have fun!

note: any suggestion is VERY welcome!

 

CGrates - Carrier Grade Realtime Charging

Home page: http://www.cgrates.org/

Source code: https://github.com/cgrates/cgrates

Commercial Billing Solutions for FreeSWITCH

Multi-Tenant/Reseller/White Label

ITSPtec Offers a complete and mature Carrier grade converged FreeSWITCH billing system, service provisioning and customer management platform that enables telecommunication service providers and carriers to offer HostedPBX, Carrier/Wholesale, Calling card and Residential VoIP services.

Billing Engine

  • Robust and flexible Routing Engine
  • Real-time billing
  • Flexible rating
  • Invoicing System
  • Credit Card payment processing
  • Multiple business models (HostedPBX, Residential VoIP, Carrier/Wholesale, Callingcard, Callshops etc)
  • Prepaid and postpaid service
  • Products and account management
  • Web-based customer care and self-provisioning
  • Reports (Billing, Account, CDR's etc)
  • Least Cost Routing or LATA/LERG Based Routing
  • Web Interface that controls all aspects of billing engine
  • Partnerships /Reseller
  • Account Management
  • Scalability, reliability and high availability
  • Operation support systems and fraud detection
  • Statistics and monitoring
  • Scratch cards and recharge cards

Telephony Services Offered

  • HostedPBX
  • Carrier/Wholesale
  • Residential VoIP services.
  • Calling card
  • Call Shops etc

Support (24/7 support)

  • We offer various support packages with free Updates/Upgrades

Website: http://www.itsptec.com

DTH VoIP Billing

Mentioned on the blog

See the home page for a full list of features, as they are extensive!

WebCDR

A hosted telecom and VoIP billing solution which supports FreeSWITCH. Their other cloud-based services include an anti-fraud solution, real-time routing, and WebCDR Watchdog for QoS and VoIP monitoring. (For more information, visit their home page.)

2600hz.org

Open source / commercial - 2600hz.org should have a paid-for commercial billing solution of some kind.

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