3-70 Telephone FeaturesE 3.2 Telephone FeaturesConditions• A “Flash Time” must be assigned as required by the host PBX, or outside (CO) line.• You may access some features of the host PBX using the FLASH button. If the systemis connected to a host PBX and the flash operation is required, follow the flashoperation procedure which is required by the host PBX.Programming References• System Programming — Installation Manual[110] Flash Key Mode[418] Flash TimeFeature ReferenceFlashPTPTExternal Feature AccessAllows you to access special features (e.g., Call Waiting) offered by a host PBX orCentral Office. This feature is effective only during an outside call. You can access thefeature by using either the FLASH button or the feature number.Using the FLASH buttonPTPress FLASH. Enter the desired service code.FLASH codeDuring a conversation with an outside party• The current call is placed on hold.SLTFlash the hookswitch. Enter the desired service code.codeDuring a conversation with an outside party6Dial 6.• The current call is placed on hold.Using the feature number