Zultys ZIP4x4, User Manual

Page: 99 / 194

8. Using the Phone
89
8.4.6 Receiving a Call While Accessing the Menu
If you are accessing the menu and the phone receives a call, it substitutes the menu that was
displayed with the notification of the incoming call as shown in section 6.3.2 on page 49. When
the call terminates the phone resumes access to the menu exactly as it was prior to the call. The
phone automatically exits the menu function 60 s after the end of the call if you do not press any
keys or buttons.
8.5 During a Call
During a call, you can transfer or hold the current conversation. You can create or answer a new
call and you can create a conference call. You can use the calculator as described in section 8.9 on
page 103. You can switch between using the headset, handset, or speaker as described in section
8.1.1 on page 71.
If you press one of the keys 0 to 9, *, or # while the call is active (LED on the call appearance
button is lit continuously green), the phone sends a message for that key and plays a DTMF tone
in the earpiece or speaker simultaneously.
1
8.5.1 Mute
If you want to hear the person with whom you are speaking, but do not want him or her to hear
you, press the Mute button. The phone disconnects the microphone input and flashes the LED
on the Mute button red for 500 ms and off for 500 ms. The ZIP4x4 does not change the display.
To resume a 2-way conversation, press the Mute button again.
When you have pressed the Mute button so that the LED is flashing, you have muted the entire
phone, not just the current conversation. If you place the muted call on hold, and select another
call, the mute function remains active and the person on the other call will not be able to hear you.
If you terminate the call with the Mute function still active, the Mute function remains active until
you disable it.
2
When you mute the phone and press the digit keys, the phone plays the DTMF digit into the
audio path you have selected and sends the digit to the switch. You might use this feature to
communicate with an IVR system.
8.5.2 Hold
8.5.2.1 Description
The Hold function allows you to maintain the state of a call but suspend the conversation. The
person cannot hear you and you cannot hear the other person.
3
When you place a call on hold, you must retrieve the call from your same phone to resume the
conversation. If you want to retrieve the conversation from a different phone, use the Park
function as described in section 7.6 on page 64.
1. The message is sent in the RTP payload according to RFC 2833.
2. If you cycle the power on the phone, the phone disables the Mute function.
3. When you put a conference call on hold, the other people do not hear any music, as described in section 8.8.2 on page
100.