Using the Phone System Intercom

Intercom/Paging

The Paging and Intercom features allow you to make an announcement to a group of extensions. The called parties do not need to pick up the handset as the audio will be played via the phone speakers.

 

Configure a Scheduled Paging or Intercom

A scheduled paging or intercom allows an extension user or Yeastar Cloud PBX to make an announcement on the specified date and time. This topic describes how to configure a scheduled paging or intercom.

Prerequisites

Procedure

  1. Go to Settings > PBX > Call Features > Paging/Intercom > Scheduled Paging/Intercom, click Add.
  2. Configure a scheduled paging or intercom group.
    • Paging/Intercom: Select the desired paging group or intercom group.
    • Caller: Select who will make the announcement.
      • {extension_user}: The extension user will make the announcement.
        On the specified date and time, the PBX will place a call to remind the user to make an announcement. When the user answers the call, the PBX will call group members.
        Note: If the user rejects the call, the announcement will be cancelled.
      • None: Yeastar Cloud PBX will automatically make the announcement.
        On the specified date and time, the PBX will call group members and play the specified custom prompt. After the prompt ends, the PBX hangs up the call. The option can be applied to school bells, church bells and so on.
        Note: The option is available only when a custom prompt is assigned to the selected paging group or intercom group.
    • Start Date: Set the start date of the scheduled paging call or intercom call.
    • Time: Set the start time of the scheduled paging call or intercom call. You can set up to 8 timings simultaneously, which means that the paging call or intercom call can be placed at different time on the same day.
    • Days of Week: Select the days of week. The scheduled paging call or intercom call will be weekly placed on the specified days of week.
  3. Click Save and Apply.

Set up 1-Way Multicast Paging

Multicast Paging allows you to easily and quickly broadcast instant audio announcements to phone users who are listening to the same multicast IP address of the PBX.

When you make a Multicast Paging, the PBX sends Real-time Transport Protocol (RTP) streams to the IP phones without involving SIP signaling. The phones that receive the RTP streams don't need to register SIP extensions.

Note:
  • The IP phone that will receive 1-way multicast paging should support Multicast Paging feature.
  • The Multicast Paging is one-way audio call.
  1. Set a 1-way Multicast Paging on the PBX.
    1. Go to Settings > PBX > Call Features > Paging/Intercom > Paging/Intercom, click Add.
    2. Set a 1-Way multicast paging.
      • Number: Use the default or specify a number for the paging group.
      • Name: Enter a name for the paging group.
      • Type: Choose 1-Way Multicast Paging.
      • Prompt: Optional. To play a prompt before making an announcement, you can choose a custom prompt.
        Note: If you want to customize a new prompt, refer to Upload a Custom Prompt or Record a Custom Prompt.
      • IP of Multicast Channel: Enter the multicast IP address and port (e.g. 224.255.255.255:1000).
        Note: The range of multicast IP address is 224.0.0.0 - 239.255.255.255.
    3. Click Save and Apply.
  2. Set Multicast Paging on each of your IP phone.
    In the following, we take Yealink T27G as an example.
    1. Log in the phone web interface, go to Directory > Multicast IP.
    2. In the Multicast Listening section, enter the same multicast IP address and port of the PBX.
    3. Click Confirm.
When you dial the paging group number, the members in the group will automatically answer the call into speakerphone mode.
Note: If the multicast paging doesn't work, check the following:
  • Multicast IP address and port are in the correct range.
  • If the PBX and IP phones are in different IP segments (e.g. PBX is in 192.168.5.X IP segment, IP phones are in 192.168.3.X IP segment), check if your router supports IP Multicast in different IP segments.
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