Hardware:
Headset via Bluetooth® or via RJ9 connector
Hands-free in HD sound quality
Flappable stand in 3 positions
 Software:
Multiple ringtones, selectable per line
Profiles: personal, meeting, noisy and DND
Address-book 500 contacts, XML, LDAP
Maxwell C is fully supported behind N670 & N870, N720 (Software 111 or higher) and N510 (Software 247 or higher), please read the wiki article about the software requirements.