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3. Unit control
The user communicates with in the car installed unit via sending and receiving SMS, by making phone call
with tone dial function or directly by ON/OFF push button in the vehicle. All mentioned ways of control is
possible to combine. Control signals of external clock can be override by SMS commands, by phone call
commands or by ON/OFF push button operation. It means if heater was switched ON by external clock
then SMS command “0” or pressing ON/OFF push button will switch OFF the heater.
Format of sent commands is described in the table „Control commands“ (article 3.1.2.). Format of the
commands is fixed, the format (text) of SMS reports which CommandCall sends to the user may be set
during the unit installation. All parameters except PIN code of SIM card may be changed / set during
standard operation by specific SMS command.
Control by phone call is done through 2 way communication, when CommandCall CC2 delivers messages
to the user via voice messages and accepts user’s commands given by pressing phone buttons during
phone call. Communication can be in preset language from 14 languages available (English, German,
Slovak, Czech, Swedish, Norsk, Polish, French, Russian, Hungarian, Finish, Danish, Italian and Spanish).
3.1. Control via SMS commands
Format of SMS commands has fixed syntax: „password“ „command code“ „command parameter“, while
„password“ consist of 4 digits
„command code“ consist of one to three digits
„command parameter“ is specific for each command and can contain phone number, time
information, requested temperature value, ...
Commands code with leading zero(s) may be used in short version, e.g. with leading
zero(s) omitted. For example the command „003“ can be used in short version as „3“.
There is no separator in between the password and command code (space, comma, ...). Between
command code and command parameter is used separator “-“ and between each 2 parameters is used
comma as separator.
User password is factory set to the value 1234. By setting checkbox „Password disable“ in CommandCall
PC Setup it is possible to disable using user password in the system and then all SMS commands starts
directly with the command code (in such case the password is not used at all). User password is possible
to change any time by using SMS command „781“ or by CommandCall PC Setup.
Users listed in VIP phone numbers list do not use password in SMS commands even when password is
requested from other users.
Execution and confirmation of individual command can be delayed depending on actual
traffic in used GSM network.
3.1.1. Content of SMS report
The content of SMS reports (text of SMS reports) sent to the user is factory preset but it is possible to
change it during system installation by using CommandCall PC Setup. Reports texts can be in local
language. SMS reports can contain only characters of English alphabet and decimal digits.
