Destination AvailabilityICD Group üSIP ExtensionPS Ring GroupUM GroupVM Group (DTMF/DPT)Fax Unit üExternal Pager (TAFAS)DISAIdle Line Access no. + Phone no.Trunk Group Access no. + Trunk Group no. + Phone no.Extension of Another PBX (via TIE Line, Access with PBX Code)Extension of Another PBX (via TIE Line, Access without PBX Code)*1 A PS destination can be used to forward fax calls to a fax machine at another PBX connected by TIE line.A virtual PS can be specified as the destination of fax calls. Then, the extension number of the fax machine at the other PBX can bespecified as the FWD—ALL Calls destination for calls to that virtual PS. (® 21.1.2 Virtual PS)Conditions• This feature is only effective for calls arriving on DISA lines.• If a fax signal is not detected before the DISA Intercept Routing—No Dial timer expires, the call is redirectedto the operator extension, and fax detection ends.• If the fax tone (CNG signal) detection is delayed because of the fax machine type or the state of the line,the DISA intercept timer may time out and the fax cannot be received. In this case, increasing the DISAintercept timer by 5 to 10 seconds will help avoid this problem.PC Programming Manual References10.3 PBX Configuration—[2-3] System—Timers & Counters—DISA / Door / Reminder / U. Conf—DISA—Intercept Timer—Day, Lunch, Break, Night13.3.2 PBX Configuration—[5-3-2] Optional Device—Voice Message—DISA Message— Fax ExtensionFeature Manual References5.1.10 DISA (Direct Inward System Access)20.1.38 Unified Messaging—Fax Server2.1.7 Automatic Rerouting to Secondary PBXDescriptionIf an IP extension loses its connection to its primary PBX, it can automatically reconnect to a specifiedsecondary PBX. The connection can be lost due to factors such as network outages or the PBX going offline.When the primary PBX is available again, the extensions automatically reconnect to it.30 Feature Manual Document Version 2016-032.1.7 Automatic Rerouting to Secondary PBX