The VoIP Key Expansion Module (KEM) extend the the capabilities of a VOIP phone by providing additional keys (buttons) for either additional phone lines or commomly used features i.e. speeddial keys. Key Expansion Modules are commonly used to support administrative offices that need to monitor, manage, and provide centralized answering for incoming calls for their department.
The 8800 (KEM) add-on modules extends the capability of the following 8800 series phones: 8851 amd 8861 by providing an additional 18 physical keys and by using the page key function to program up to 36 additional keys for either phones lines or features. Up to two expansion modules can be added to an 8851 phone and up to three add-on modules can be added to the 8861 phone..
