Technical documentation

  1. Call cost using CallThru system

CallThru call cost (so-called "direct call") can be calculated by summing up costs of its two "legs" (Leg A and Leg B).

CallThru call system:

Pic. 1

What does this call cost? First of all, you need to know exactly the country where the call is originated from and the place it is launched to as there are different conditions set for different countries; and sometimes CallThru cannot be supported in certain districts. The next thing, you need to properly sum up costs of all call parameters.

Calculation formula: A Leg + B Leg + €0.02 (Tottoli GSM Commission).

Let's count the call cost. For example, the call is originated from Russia (Moscow) and is terminated in Italy (Rome). So, let's get started. To calculate the cost of first Leg, we take information from document placed on our web-site Internet / CallThru и IOT / SMS, find country where the call is going to be launched from (in our case - Russia).

* Operators highlighted with green color display operators that support CallThru calls.

** There is an upper limit to the cost of a CallThru call. Calls with Leg A cost higher that 0.18  will be banned by the system. These calls can be done according to special rules.

We see that a CallThru in Russia is available only through Beeline (Vimpelcom) [RUSBD] carrier, and the cost of the first Leg is 0.0542 € / min.

To calculate the second Leg, you need to go to MVNO > Traffic cost.

In the blank field, you need to enter the phone number or country code (city) where the call is terminated, in our case we call to Rome, Italy code +39, area code 6.

Foreign tariffs in most cases are calculated through 1 channel, in this case the second Leg is 0.002185 € / min.

According to the formula above, it is necessary to make a sum of all parameters.

The cost of a call from Russia to Italy is € 0.0764 / min ( 1 Leg € 0.0542 € + 2 Leg 0.002185 € + Commission of the operator € 0.02).

  1. Cost of CallBack calls.

Call cost via CallBack system also consists of two "Legs" (Leg A and Leg B).

CallBack call scheme:

Pic. 2

How to calculate the cost of this call? First of all, it is also necessary to know exactly which country is originating and which is terminating the call. Secondly, it is required to correctly sum up all the components together.

Calculation formula: (1 "Leg" + 2 "Leg" + 0.02 € (commission Tottoli GSM)) * minutes + 0.075 € (allocation of MSRN to the session (one-off fee, regardless of the duration of the call)).

Let's calculate the cost of the same call, made from Russia (Moscow) to Italy (Rome) via CallBack.

The cost of first and second legs can be calculated at MVNO > Traffic cost page.

To determine the cost of the first leg, enter the country code originatig the call (in our case it is Russia (Moscow)) in empty field.

Russian tariffs in most cases are calculated through channels 4 and 25, in our case the first leg is 0.01288 € / min.

To calculate the second leg one needs to put the destination country code in a blank field (in our case, Italy (Rome)).

As foreign tariffs are calculated by the 1st channel, then the cost of the second leg will be 0.002185 € / min.

According to the formula above, it is necessary to make a sum of all parameters.

The cost of a call from Russia to Italy via CallBack is:

1 min. – 0,11€

3 min. – 0,18€

10 min. – 0,42€

 

Tottoli GSM is keen on solving individual clients’ requests. We have successfully implemented not only virtual mobile operators’ cases, but also projects in the banking and security sectors.

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