MoIP is an application (with extremely contained dimensions) that can be downloaded and installed on your own mobile phone. The use of the J2ME™ technology guarantees the native support by the most greater world producers of smart-phones (Nokia, Siemens, SonyEricsson, Motorola, Samsung): a Java-enabled phone is therefore all you need.
The software installation is completely self-managed, just download the application contents on your mobile phone directly from Miliaris web site.

The exchange of text-based messages among two cellular usually happens through the SMS protocol, wich leads to fixed costs for every single dispatch (here in Italy, normally from 12 up to 15 €cents, according to the telephone operator).

Moreover such protocol imposes a limit of 160 characters for every single message, thus if a SMS contains more than 160 characters it is automatically splitted into more messages, every of which will separately be sent at full charge .
Therefore, the followings two messages (of 15 and 159 characters, respectively):

• "Ok, i'm coming!"
• "Laura and I will meet tonight to her house to play Risiko, are you going to join us? Check it out from Mark, I'm sure he could give you a hitch. See you later."

• "Laura and I will meet tonight to her house to play Risiko, are you going to join us? Check it out from Mark, I'm sure he could give you a hitch. See you later!!!"

will be splitted into two SMSs (the first one of 160 characters, the second one of 1 character only, that is the last exclamation point). The receiver won't realize anything (usually the two dispatches are automatically 're-assembled' into one message once they reached the destination and before being displayed by the user), while the caller will pay 30 cents (the equivalent of two separate messages).

MoiP , contrarily, sets up a direct connection between the telephone of the caller and the one of the receiver, using the GPRS channel, which results more inexpensive and not subjected to time tariffs.

This way a conversation among two people will be economically more advantageous.

The typical cost for the dispatch of a SMS is – for the Italian operators – about 15 €cents per message, independently from its length (provided that you do not overcome the 160 characters limit, otherwise it will results in a dispatch of multiple messages, everyone with a charge of 15 €cents).
The GPRS charge, instead, is computed on the base of network traffic (measured in KBytes) to a maximum cost of 0,6 €cents for KB (see the following comparative table). That is less than a cent for more than 1000 characters!

Operator	GPRS tariff
	0,6 EuroCent per kilobyte
	0,6 EuroCent per kilobyte
	0,4 EuroCent per kilobyte
	0,3 EuroCent per kilobyte

By means of a first SMS, necessary to allow the two devices to 'discover each other' reciprocally, MoIP provides to "hijack" all the following exchange of messages (either a simple answer or a more articulated chit chat) on the GPRS channel taking advantage of cheaper tariffs.

A practical example. Mark sends a message to Chiara asking her to meet him tonight. Chiara answers she's having dinner with her parents, but that they might going somewhere later. Mark proposes her an action movie.

Chiara answers that she'd prefer to see a love comedy premiere. Mark politely declines but proposes to rent a DVD. Chiara accepts and schedules the meeting at 21 'o clock in front of her parents' house. Mark confirms and sends greetings. Using the traditional dispatch of SMSs: Mark would spend 15 €cents for every sent message, therefore, in the specific case, 60 €cents; Chiara would spend 45 €cents (the equivalent of the three messages). Using MoIP: Mark would spend 15 €cents (according to his own operator) for the first sent message (a traditional SMS), 1 €cent for the second and the third ones and some €thousandth for the final regard, for a total amount of 18 €cents (saving over 3 times the traditional amount) ; Chiara would spend 1 cent for the first answer, 1 other cent for the second one and some €thousandth for the third and last message, for a total amount of 3 €cents (saving over 15 times the traditional amount). Notice that in the example above we hypothesized that all the SMSs include less than 160 characters; differently, in fact, the traditional dispatch would cost even more (the messages that overcome the maximum length of 160 characters - before being sent - are automatically 'chopped' into more smaller SMSs, each one at the charge of a single normal SMS). With MoIP, instead, the amount would remain unchanged, therefore the saving would evidently increase even more!

Excluding the first SMS (used for putting in contact the caller with the called number, with a charge of a traditional message), all the following dispatches cost less than a thousandth of € (against the 12-15 ordinary cents).
Practically, the more you write the more greater is the saving in comparison to the traditional dispatch of SMSs (see the following chart).

NOTICE: The number of characters in the first column is to intend as the total of the dispatches towards the same phone number, not for single exchanged message (e.g., the 18 cents in charge of whom sends - second line of the preceding chart, third column - refer to a comprehensive dispatch of 500 characters during the whole communication, independently from the number of exchanged messages).