HI! Techs , This is the Scoop, i had moved someone elses Samsung Dcs Compact last year ,1 yr. later their were 2 telephones whose display was acting up not showing right time date, then eventually the one telephones display stopped working 24b set. And 2 sets caller id didn't work because they weren't programmed to ring, so i made a sevice call, found 1 24b set bad diplay, replaced with a 12b and programmed x204 and 205 for caller id mmc119, 314, 414 etc programmed ring group the 2 phones DISPLAY sayS :Call to 501 All Phones, i SEE THE 3 OTHER PHONES 201,202 AND 203 CALLER ID WORKS, I SEE A RAM2 IN SYSTEM, I SEE VERSION 1.3 WHEN I PLUG PHONE IN TO JACK IS THAT THE VERSION OF SOFTWARE? THEY GETTING READY TO CLOSE SO I,M GOING HAVE RETURN, I DIDN'T ORIGINALLY INSTALL THIS SO I 'M WONDERING IF SOMEONE HAS TRIED TO ADD CALLER ID WITHOUT UPGRADING EPROMS, I WILL HAVE TO CHECK WHICH MISCELLANIOUS CARD , IT IS STRANGE THAT 3 TELEPHONES HAVE CALLER ID, ANY HELP WOULD BE SWEET!!THANKS