1.10 Conversation FeaturesFeature Guide 871.10.8 Paralleled TelephoneDescriptionBy connecting telephones in parallel, you can increase the number of telephones connectedto the PBX without adding additional extension cards.Both wired and wireless telephones can be connected in parallel. Single line telephones (SLTs)and analog proprietary telephones (APTs) can be connected to other telephones orconnectors, allowing two telephones to be connected to the PBX through just one extensionport. Additionally, portable stations (PSs) can be linked to other telephones wirelessly and beused as a "paired" extension.The different type of parallel connections are described below.Conditions[APT + SLT]• If one telephone goes off-hook while the other is on a call, a three-party call is established.If one user goes on-hook, the other user continues the call.• An extension user cannot originate a call from the SLT if the APT is:Features Descriptions ConnectionsParallelModeAllows an SLT to be connected to an APT whichis connected to a preinstalled hybrid port of thePBX.When the two telephones are connected inparallel mode:• Both share one extension number(APT’s extension number).• Either telephone can make or answercalls.WirelessXDP ParallelModeFor information on this type of parallelconnection, refer to the Wireless XDP Parallelmode feature. ( 1.20.3 Wireless XDP ParallelMode)– playing background music (BGM)– receiving a paging announcement over the built-in speaker.PBXAPT + SLTAPTExtn. 102 Extn. 102SLTPBXPSAPTAPT/SLT + PSPSSLTExtn. 101Extn. 101Extn. 102Extn. 102
