Troubleshooting guide
PAGE 18 of 36  VR GSM DOOR INTERCOM TECHNICAL MANUAL    VER2.0.0 
OPTIONAL ?:  Most of the commands support the ? feature. When this is 
added to the end of the text message, a confirmation text 
message will be sent back to the sender indicating the new 
data has been received and stored. 
When sending text messages there may be a delay from when you send the message to 
when it is received by the intercom panel depending on how congested the network is. If 
you are at the door panel when sending the message you will here a single beep from the 
intercom panel to indicate it has receive the message. 
STORING A CALL BUTTON TELEPHONE NUMBER 
Telephone numbers can be stored for the ten available call buttons. Each call button can 
call up to two telephone numbers (If the first is busy or not answered in a certain time it 
can call the second number if the divert facility is setup). The messages to store/check 
numbers are as follows (See important note on page 18):- 
1111STNnnn”yyyyyyyyyyy”  Store the telephone number yyyyyyyyyyy in position nnn 
1111STNnnn”yyyyyyyyyyy”?  Store the telephone number yyyyyyyyyyy in position nnn 
          and send a confirmation text message to confirm 
 storage of new number. 
1111STNnnn?    Query the telephone number stored in location nnn. A 
 text message will be sent to the sender with the stored 
 number for that location. 
1111STNnnn””    Delete the telephone number stored in location nnn. 
1111STNnnn””?    Delete the telephone number stored in location nnn. A 
 text message will be sent to the sender with the delete 
 confirmation for that location. 
nnn can be found using the following table. The telephone number y can be a maximum of 
19 digits. 
Call Button  Memory location (nnn) of 
first number called 
Memory location (nnn) of 
divert to number to call 
Button 1 (C1 & a)  001  011 
Button 2 (C1 & b)  002  012 
Button 3 (C1 & c)  003  013 
Button 4 (C1 & d)  004  014 
Button 5 (C1 & e)  005  015 
Button 6 (C2 & a)  006  016 
Button 7 (C2 & b)  007  017 
Button 8 (C2 & c)  008  018 
Button 9 (C2 & d)  009  019 
Button 10 (C2 & e)  010  020 
Use the chart on page 26 to record the telephone numbers stored. 










