Noticeably one of the few Device like item classes that don't talk or use telepathy.Inherent Equipment. Number's version of devices only much more integrated with them than a device is with a mage.
Chris, Asteon and the various AEC and Divider tech being the memorable others. Though apparently Stroseks can talk but from the two examples we have they lost the ability in the process of being
Also Steed and Lily use different and incompatible psychic methods or channels to communicate. Steed claims Lily is using Telekinesis rather than Telepathy.