External Hot Desking extends hot desking capabilities to an external device, which makes it appear as an extension on the system. When the external hot desk user (EHDU) is logged in to the 3300 ICP, a caller only needs to dial the extension number assigned to the user and the system automatically rings the user's cell phone, home phone or other device of choice— including an extension on another private network or PBX.
As a PBX extension, the external device user has access to extension dialing along with select PBX features and enterprise CLID on all calls originated through the system. When a call is extended from the system to an EHDU, the internal state of the user is updated to reflect the busy condition. Since the state of the user is known, an EHDU can be monitored by DSS/BLF keys on other devices. Call diversion features and group features, such as hunt groups, follow the normal treatments for busy, out of service, etc. For example, if an EHDU is a member of hunt group, and is active on a call, the hunting algorithm will skip the busy EHDU and try the next member.
External Hot Desking provides support for the following additional capabilities:
the ability to remotely change the external device number as well as the login PIN used for authenticating the user and granting access to system resources
access to mid-call features—Hold/Retrieve, Transfer, Conference, Call Swap/Camp-on Retrieval, Handoff, Flash, and Cancel Call—by dialing fixed single-digit codes or system feature access codes while active on a PSTN trunk
access to select system features, such as Call Forward Setup, Paging, Group Presence, through the use of feature access codes.
the option (via Class of Service) to remain permanently logged in
a Call Recognition Service that simplifies or eliminates the need to log in
push-to-answer, which requires the EHDU to press a DTMF key to accept an incoming call (This a Class of Service option used when the trunk terminating on the EHDU device fails to provide answer supervision.)
group membership, including hunt groups, ring groups, personal ring groups, hospitality suites.
a Callback service that recognizes that an External Hot Desk user is calling, hangs up on the user and then calls them back. Mobile phone users can take advantage of this service to save on the charges normally associated with outgoing calls.
device resiliency.
IMPORTANT: Emergency calls should not be made from an EHDU device since the call cannot be guaranteed to contain the correct location information. Mitel assumes no legal, financial or personal responsibility for users or persons performing such actions.
