With a range of Digital and Analogue phones. The Digital phones can only be used on Aria ipLDK, iPECS eMG80 and iPECS LIK phone systems.
The Temporis 350 is a good Analogue phone to connect to the PABX and has a MWI, speaker phone and headset port.
If you need a cordless phone that is robust the Gigaset E630A is it. These are great phone with a good range on them, They come with built in voicemail and you can add multiple handset.