1.7 Useful Features1-78 OperationsParallel Connection of a Proprietary Telephone and Single LineTelephone (Parallelled Telephone Connection)Any extension connected to extension ports 01 through 16 can be connected in parallel with aproprietary telephone and a single line telephone. In the event of a power failure, CO1 andCO4 can be accessed using the single line telephones that are connected in parallel with theproprietary telephones to extension ports 01 and 09 respectively. If the extension receives acall, ringing will be heard from the proprietary telephone and the single line telephone. Youcan answer the call by using either the proprietary telephone or the single line telephone. Ananswering machine, facsimile, MODEM (personal computer), etc., can be connected insteadof a single line telephone.System Programming is required to enable this feature.• A proprietary telephone LCD will show you the status of the single line telephone.• The following features will not work with a single line telephone connected in parallel witha proprietary telephone.Call SplittingExternal Feature AccessAccount code inputConferenceDoor opener while talking to the doorphonePickup dialling• A single line telephone connected in parallel with a proprietary telephone cannot make a callin the following cases.— The proprietary telephone is set to the BGM mode.— The proprietary telephone is receiving a page through the built-in speaker.— The proprietary telephone is set to the PROGRAM mode.• A single line telephone connected in parallel with a proprietary telephone will not ring in thefollowing cases.— The proprietary telephone is set to Handsfree Answerback.— The proprietary telephone is set to “Voice Call” in the Intercom Alert Assignment.• See the Installation Manual, Section 3, “Parallelled Telephone Connection”.SLTSLTSLTPT!!Mixed Extension DiallingAny telephone, either a KX-T7130/KX-T7020/KX-T7050, single line rotary phone (10 pps,20 pps) or single line touch tone telephone, may be used as an extension for the system.+
