The 7000-9000 and G thru GV3 version 8.00-8.09 control panels added the security companies phone number in the user name text area of programming.
D9412 types add the security company phone number in User 249.
D7412 types add the security company phone number in User 99.
Select PASSCODES (RADXUSR1/RADXUSR2) from the Panel Items list. Select either User 99 or User 249 as required, and enter the security company's phone number in the User Name column.
Use the RADXUSR2 handler for 9000 Series control panels, or RADXUSR1 handler for 7000 Series control panels, and enter the group on the passcode worksheet. Enter the number of the pertinent user as described above (99 or 249) and press the [Enter] key. Enter the security company's phone number in the line belowU99 Name (or U249 Name).