Surprised and disappointed not to fill order and access to voice mail functions when used as an additional handset SL910A. Only the handset sold with the SL910A is able. And given that the base can not read them either messages, no alternative. Some other functions have air escaped from the combination of SL910A: display the handset name on top, hold music ... Since it is sold for more than the SL910 currently on amazon, so it is advantageous to buy SL910 and lay the base. Not compatible iphone to receive cards Address Book via Bluetooth -> if you are not Apple and Outlook you come home all by hand. Look good, the sound is good.
