A • The following setting data is not saved to the Storage Memory Card, so will be deletedwhen the PBX is initialised. This data is stored in the PBX’s battery backup memory.• Advice of Charge (AOC)• Hospitality guest billing data• Timed Reminder• ICD Group login status(All extensions are set to Login by default.)• Remote Extension Dial LockSetting FeaturesQ How do I change the dialling mode of an analogue trunk?A • From the 9.25 PBX Configuration—[1-1] Configuration—Slot—Port Property -LCO Port screen, change the Dialling Mode setting of the target port to "DTMF"or "Pulse", as required.Q How do I set disconnect detection (CPC Detection) for an analogue trunk?A • From the 9.25 PBX Configuration—[1-1] Configuration—Slot—Port Property -LCO Port screen, modify the CPC Signal Detection Time—Outgoing,Incoming setting of the target port.The required value varies by carrier. Transmission and reception can be setseparately.Q What settings do I change to enable use of an extension ISDN telephone?A • From the 9.27 PBX Configuration—[1-1] Configuration—Slot—Port Property -BRI Port screen, set the Port Type of the port you want to use to "EXT".Q How do I connect to another PBX using QSIG?A • From the 9.27 PBX Configuration—[1-1] Configuration—Slot—Port Property -BRI Port or 9.28 PBX Configuration—[1-1] Configuration—Slot—Port Property- PRI Port screen, set the Port Type of the port you want to use to either"QSIG-Slave" or "QSIG-Master".Q How do I edit a Class of Service, or create a new Class of Service?A • Class of Service feature restrictions can be set from the 10.7.1 PBXConfiguration—[2-7-1] System—Class of Service—COS Settings screen.Q How do I restrict calls between 2 extensions?A • Calls between extensions can be restricted from the 10.7.3 PBXConfiguration—[2-7-3] System—Class of Service—Internal Call Block screen.Click in the relevant cells to select the COS levels whose extensions are blocked fromcalling each other.Q How do I restrict trunk calls made by extensions?PC Programming Manual 572.3 Frequently Asked Questions (FAQ)