Call Features
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1. Navigate to Menu > Features > Dsskey.
2. Select the desired line key.
3. Select Key Event from the Type field.
4. Select Multicast Paging from the Key Type field.
5. (Optional.) Enter the paging group name in the Label field.
6. Enter the multicast IP address and port number (for example, 224.5.6.20:10008) in the Value field.
7. Enter the desired channel between 0 and 30 in the Channel field.
8. Select Save.
Tip
By default, you can long press the desired line key to set it.
Sending a Paging by a Multicast Paging Key
You can send a paging by using the Multicast Paging key when the phone is idle.
Before You Begin
You need to set a Multicast Paging key in advance.
Procedure
1. Press the Multicast Paging key when the phone is idle.
Both your phone and receiver’s phone play a warning tone and the multicast RTP session will be automatically
answered on the receiver’s phone in the speakerphone (hands-free) mode.
On the T48S/T48G phones, the multicast paging key icon indicator will become and green. On other IP phones,
the multicast paging key LED glows green.
The following figure shows a multicast RTP session on the phone:
Related Topic
Setting a Multicast Paging Key
Setting a Paging List Key
You can set a Paging List key to easily access the paging groups on the idle screen.
Procedure
1. Navigate to Menu > Features > Dsskey.
2. Select the desired line key.
3. Select Key Event from the Type field.