With the Inmarsat C SMS service you can send an SMS from your Inmarsat C terminal to almost anyone with a GSM mobile/cellular phone.
Ship to Shore
Inmarsat C SMS messages are routed via a Vizada Land Earth Stations and sent through a local GSM operator.
Easy to use
Sending an SMS message from your Inmarsat C terminal is as easy as using Inmarsat C E-mail. Like Inmarsat C Email, no Internet connection, additional software, or registration are necessary. You can send SMS messages directly from your Inmarsat C terminal to friends, family and important business contacts on shore, provided that they have a GSM mobile/cellular telephone.
Sending SMS ship to shore (from an Inmarsat C terminal) In the body of the message (text field) enter the country code (without 00) and the telephone number of the recipient followed by a blank space. Start typing your message immediately after this.
NOTE: The telephone number and start of text MUST BE in the very first line of the message. Example:

Then send the message using special access code 66. Both 5-bit (telex) and 7-bit (text) formats can be used.
Details:
SMS messages are limited to a total of 160 characters (excluding the country code and telephone number). If your message is larger than 160 characters, the message will automatically be split into two or more messages. For example, a message of 200 characters will be divided into two SMS messages of 160 and 40 characters, respectively.
Inmarsat C SMS Benefits: - SMS reaches a greater number of people than email
- SMS promotes concise, inexpensive communication
- Messages can be sent at all hours of the day without disturbing recipients
- Easy to use
Practicality and savings: The introduction of Inmarsat C Email provided vessels with a money-saving alternative for the transmission of vital information while at sea. Similarly, Inmarsat C SMS is an inexpensive alternative to voice communications when there is a need to communicate short messages. This service is available in all ocean regions.