ZyXEL Omni TA 128 User Guide - Page 82
InterCom, Call Waiting, Placing a second call, Receiving a second call
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InterCom With two phones connected, your TA128 can be used as an intercom. Please follow the instructions below: 1. Pick up the telephone handset. 2. Press the Flash key and then press 2 on the phone keypad. The other local phone will start to ring. InterCom: ( ñ è H Flash è H #2 Call Waiting The call waiting feature enables you to place a call on hold by pressing the Flash key. If you press the Flash key again, the call waiting function will be disabled and return to the previous call. Call Waiting: H Flash Placing a second call When you have an active call on line, you may follow the procedures below to make a second call: 1. Place the current call on hold by pressing the Flash key and 0. 2. Dial the phone number of the second party and wait for them to answer. Making a second call: H Flash è H #0 è H Receiving a second call If call waiting has been enabled, you will receive a signal through the handset whenever a call is trying to come in while you are online. To enable the call waiting function, use the AT Commands in the table below: AT Commands Description ATS79.2=0 Disables call waiting for POTS port 1. ATS79.2=1 Enables call waiting for POTS port 1(Default). 70