The GSMSMS interface provides a link between the North's Extensible Object Model, and the Short Message Service (SMS) facilities of mobile telephones. The interface can send Alarms directly to a users mobile telephone via a GSM Modem fitted with a SIM card. If used with a UserData module (either within ObServer or elsewhere), the SMS user can request user pages, and set values within the pages.
The GSMSMS interface is available on the following North platforms:
| CP/GSMSMS/232 | Compass Point with GSMSMS interface |
| OSM/GSMSMS | OSM available with all ObSys editions |
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