Feature Manual References6.1.3 Flexible ButtonsOperating Manual References1.3.38 ICD Group Features—Log-in/Log-out9.1.4 ICD Group Features—Outside DestinationsDescriptionUp to 4 outside parties or destinations at another PBX can be assigned as members of an Incoming CallDistribution (ICD) Group, using the following method: A virtual PS is registered as a member of the ICD Group.Then, the telephone number of the outside destination is specified as the FWD—All Calls destination. Calls tothe ICD Group will also ring at the outside destination as if that destination were an extension within the PBX.This is useful in situations such as the following:• An extension user can have his PT and multiple cellular phones ring together for calls.• An employee who is not in the office, but is still available to answer calls, can receive calls to an ICD Group.PBX-1Telephone CompanyVirtual PS 3Virtual PS 2Virtual PS 1ICD GroupVirtual PS 4PBX-2TIECellularCompanyCellular Phone XDP ParallelThe extension registered first in an ICD Group can program the Forward settings for CO line calls to up to 4virtual PSs through PT programming. Using this feature, an extension user can assign his cellular phone toring with his PT, so that he can easily receive CO line calls even when not at his desk.Document Version 2009-12 Feature Manual 1459.1.4 ICD Group Features—Outside Destinations