See more at http://www.Abbeytelecom.com <br /><br />Using an administration button to add and remove extensions to a group on a Samsung Phone System. This applies to all Samsungs old or new. DCS or OfficeServ. <br /><br />Installation and repairs UK-wide on all Samsungs Telephones whether discontinued or not~Telephone 0161 643 8000
