Conrad GX107 Bedienungsanleitung Seite 66

Deleting the Recorded Phone Numbers
To delete a phone number, you need to send the following commands:
Example: To delete the first and third phone number, you need to send two SMS:
RESET TEL1 #1513
RESET TEL3 #1513
To delete all phone numbers, you need to send the following SMS command:
RESET TELALL #1513
After sending the "RESET TEL..." command, you will receive an SMS response.
Test Telephone Number
To check the phone number recorded in the "GX107", send the following SMS command:
TEST TEL #1513

Please always enter the complete telephone number in international format
(including the country code, e.g. +49... for Germany).
The SMS commands (TEL1, TEL2, TEL3,...) only change the phone number
of the respective memory. The numbers is the other memories remain
unchanged.
You can change the saved phone numbers at any time.
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