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 Post subject: Billing Calling Card for Argentine
PostPosted: Mon Mar 19, 2007 4:37 pm 
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Joined: Mon Mar 19, 2007 4:06 pm
Posts: 2
Location: Argentina
Guys, I'm using Trixbox 2.0 and A2billing 1.2.3 mi question is if this version actually support the following schema that we have in Argentine:

P: Carrier that provide us number for Calling card (0822 XXXXX)
T: Our Trixbox/A2Billing system
C: Customer
D: Destination user

Step by Step Calling flow
C Hang up your phone and dial 0822 XXXX
P forward call to us T
T get call and ask C for PIN card number and then ask for a destination number
D answer, talk and finish call.

Billing that we need
Billing from T to D is ok

Problem begins because the carrier P charge us with a fee rate for 0822 service and depending on the location that are the client C calling to 0822 there are a different rates, and these rate is proportional to total call time from T to D.

Total Billing = 0822 fee * total call time + destination rate * destination call time

If not.. can you think that is a hard task implement this feature?

Thanks in advance.


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 Post subject:
PostPosted: Mon Mar 19, 2007 6:07 pm 
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Joined: Tue Jun 06, 2006 12:14 pm
Posts: 685
Location: florida
Just to recap to make sure it is understood properly:

User dials 0822 number ( a toll-free number in argentina )

Then you ask for pin, and the connect, etc.

The A2B system does billing based on the answer supervision of the outbound leg, not the inbound. What you can do is in the a2billing.conf file is utilize the fields for extra charge. This will allow you to bill an extra fee for users that connect to you via the toll free number. Such as:

; Extracharge DIDs, multiple numbers and fees must be separated by comma
extracharge_did=0822XXXXX
extracharge_fee=0.02

Give it a try and see if that works out for you.


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 Post subject:
PostPosted: Mon Mar 19, 2007 6:35 pm 
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Joined: Mon Mar 19, 2007 4:06 pm
Posts: 2
Location: Argentina
Thanks krzykat,

krzykat wrote:
Just to recap to make sure it is understood properly:

User dials 0822 number ( a toll-free number in argentina )


The problem is that this number is not a toll-free number, I need to charge this call to the user's cards.

krzykat wrote:
Then you ask for pin, and the connect, etc.

The A2B system does billing based on the answer supervision of the outbound leg, not the inbound. What you can do is in the a2billing.conf file is utilize the fields for extra charge. This will allow you to bill an extra fee for users that connect to you via the toll free number. Such as:

; Extracharge DIDs, multiple numbers and fees must be separated by comma
extracharge_did=0822XXXXX
extracharge_fee=0.02

Give it a try and see if that works out for you.


The problem is that extacharge is not a constant it depend on geographic location of the user that dials (like the outgoing call)

I think about it as 2 calls at the same time

Asterisk -----> Destination Number (for example 1 minute, outgoing call time)
Asterisk -----> User (for example 2 minutes, the time using 0822 line, this include outgoing call time)

I'm sorry but this situation I think only happen in Argentine, but the rates for using 0822 line is more expensive that several outgoing rates and we can't discard this cost.

Thanks!


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 Post subject:
PostPosted: Mon Mar 19, 2007 8:13 pm 
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Joined: Tue Jun 06, 2006 12:14 pm
Posts: 685
Location: florida
This sounds like a difficult problem. For one if anyone dial your 0822 number, and then just enters invalid PINS, and then hangs up ... you have NOBODY you can bill this call to. Only if you have a valid account can you start to bill for it. Seems like the easiest method to account for that billing would be in the rate table to simply increase the rate by whatever the cost of the 0822 line is. So instead of saying the cost is .03 / minute ... say it is .04 / minute. Many places do that and just label it as taxes, etc.


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 Post subject:
PostPosted: Mon Mar 19, 2007 11:56 pm 
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Joined: Sun Jun 25, 2006 9:13 am
Posts: 183
Location: Germany
In calling card Business
No one charge A Leg . you should know your A Leg : B Leg ratio

Based on this ratio u have to set Selling prince.

Lets say your ratio 1.5 and toll free cost 5 cents , ur intent to sell usa for 1 cent.
you have to set usa for 1 + (5 * 1.5) = 8.5 cent on toll free tariff

How u can find ratio - you have to get your toll free usage for last month (A Leg) from your provider and get you total traffic mins for last moth (B leg) from A2B and find the ratio

2nd option
u have to modify a2b but it's fall into hidden charge.


btw: this is standard problem in calling card business.


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 Post subject: inbound
PostPosted: Tue Mar 25, 2008 2:34 pm 
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Joined: Tue Mar 25, 2008 11:31 am
Posts: 1
I got one question.
suppose, I got two access:
A: A local did
B: a domest 800 (us toll free)

and I want a2billing to charge different depending where calls come from...(from A or B)

mohan76 says I could add an extra charge to B (extra charge or whatever) ..but how does A2billing now a call comes from B and not from A? and then how I can do charge that extra $$ ?

THANKS

Villar74


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