Inmarsat

To send a SMS free of charge to an Inmarsat satellite phone you can use their online web form or you can send an email.

Webform: Send free SMS to an Inmarsat phone

email: Send an email in the following format: 87077642xxxx@message.inmarsat.com (the first part of the email address is the satellite phone number).

Iridium

To send a SMS free of charge to an Iridium satellite phone you can use their online web form or you can send an email.

Webform: Send free SMS to an Iridium phone

email: Send an email in the following format: 8816XXXXXXXX@msg.iridium.com (the first part of the email address is the satellite phone number).

Thuraya

To send a SMS free of charge to an Iridium satellite phone you can use their online web form or you can send an email.

Webform: Send free SMS to a Thuraya phone

email: Send an email in the following format: 88216xxxxxxxx@sms.thuraya.com (the first part of the email address is the satellite phone number).