Sony SPP-IM977 Operating Instructions - Page 46
Receiving a call while using the intercom, Talking between the phones Intercom continued
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Talking between the phones (Intercom) (continued) Note While conversing with an outside caller via the base phone or handset, you cannot make an intercom call. If you press (INTERCOM), you will hear a busy tone. Tips • You can receive an intercom call on the handset even when "RINGER" is set to "RINGER OFF". • You can receive an intercom call on the base phone even when the L1 or L2 RINGER LEVEL switch on the base phone is set to OFF. The base phone will ring at a low level. Receiving a call while using the intercom When a call comes in, "** RINGING **" appears on the display and only the base phone rings at a low level. The LINE 1 or LINE 2 button flashes. Press (LINE 1) or (LINE 2) whichever is flashing, then you can answer the call. 46US Telephone Features
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