Extension NumberSpecifies the extension number of the port.Value RangeMax. 5 digits (consisting of 0–9)Maintenance Console Location9.22 PBX Configuration—[1-1] Configuration—Slot—Extension—Port PropertyExtension NameSpecifies the extension name of the port.Value RangeMax. 20 charactersMaintenance Console Location9.22 PBX Configuration—[1-1] Configuration—Slot—Extension—Port PropertyXDP ModeTurns XDP mode on or off for the port. This setting is only available when Port Type on this screen is set toS-Hybrid.Value RangeOn: XDP enabled (The main telephone and sub telephone have different extension numbers. This is calledXDP Mode.)Off: XDP disabled (The main telephone and sub telephone both have the main telephone’s extension number.This is called Parallel Mode.)Maintenance Console Location9.22 PBX Configuration—[1-1] Configuration—Slot—Extension—Port PropertyFeature Guide References2.11.10 Parallelled Telephone5.2.6 Extension Port ConfigurationParallel Telephone RingingSpecifies whether the sub telephone (SLT) rings at the same time as the main telephone (DPT) for an incomingcall. This setting is only available when Port Type on this screen is set to S-Hybrid.Value RangeYes, NoMaintenance Console Location9.22 PBX Configuration—[1-1] Configuration—Slot—Extension—Port Property354 PC Programming Manual9.22 PBX Configuration—[1-1] Configuration—Slot—Extension—Port Property