EFA SMS


An up-to-date timetable can be called up at any time on a mobile phone using EFAsms.

The user sends a text message to the relevant SMS Service Number and receives the required information on their mobile phone in the form of a text message.

The following information can be transmitted to mobile phones:

The information can also be retrieved in real-time. The user is therefore notified if any lines are experiencing delays, wherever he or she happens to be.

Stop timetable


The user transmits a text message containing the stop name and the service number. One or more text messages are then received that contain the next departures of all routes departing from the stop.

VVS  example:
Renningen



The stop number can also be used to request the information. The number to text can be found on the timetable posters.

VVS example:




or in the list of stops.
VVS example:




 

The user can also specify the stop timetable in more detail:
h*departurelocation,departurestop*route*date*departuretime




h*, the date, the route and the departure time are not mandatory.
A text message can then be entered as follows: (VVS example):

Renningen*S6 or 7302*S6
The user receives a text message containing the stop timetable for the S6, starting at Renningen train station.

Renningen*S6*1000 or 7302*S6*1000
The user receives a text message containing the stop timetable for the S6 route, starting at Renningen train station at 10 o?clock.

Renningen*S6*1000*310306 or 7302*S6*1000*300306
The user receives a text message containing the stop timetable for the S6 route, starting at Rennigen train station on 30.03.2006 at 10 o?clock.

The information may be divided up into several text messages.

 

General timetable information


The text message for general timetable information is structured as follows:
a*departurelocation,departurestop*destination,destinationstop *departuredate*departuretime

The date and time can also be omitted from the inquiry. In this case the next connection is returned.
The stop numbers can also be used to request the information.
VVS  example ? Renningen to Tamm
a*7302*7404*departuretime*departuredate

The user then receives a text message containing several sets of timetable information specifying the routes, the departure times and the arrival times.


Detailed timetable information


The text message for detailed information is structured as follows:
d*departurelocation,departurestop*destination,destinationstop *destinationdate*destinationtime

The date and time can also be omitted from the inquiry. In this case the next connection is returned.

Stop numbers can also be used to request the information.
VVS  example ? Renningen to Tamm
d*7302*7404*departuretime*departuredate

The user then receives a text message containing the departure time, detailed transfer information (if necessary) and the arrival time at the destination station.
The information may be divided up into several text messages.

 

Help
A brief help text can be requested by transmitting the question mark character '?'.


Implementation
Text messaging allows short messages consisting of up to 160 characters to be received and transmitted (D1). The recipients are mobile phones, fax machines, e-mail address or EFA SMS, for example.
Mobile phones also receive text messages when the phone is switched off or calls are being diverted. The text message is stored by the provider and sent when the mobile phone is switched on again.

A modem or an ISDN card with a CAPI 2.0 interface is needed to transmit text messages. Equipment such as a stationary mobile phone (e.g. Siemens TC35) and a program for actuating the hardware such as a dmail Server or our EFA SMS is needed for transmitting and receiving.

The telephone connection that is required for transmitting and receiving is: mobile phone connection (e.g. D1 ProTel DataOnly).
The maximum length of a text message differs depending on the mobile phone provider, meaning that the reply is divided up into individual text message fragments by the SMS server and transmitted. The number of SMS datagrams that are received in the reply and the order in which they arrive cannot be calculated in advance. The read order is specified by numbering in round brackets, e.g. (1), (2) etc.

 

EFA SMS is being used by the following customers:
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