Ring groups are automatically compatible with the intercom feature. Dialing * + ring group extension will cause members of that ring group to auto-answer your call on speaker. To avoid confusion (and feedback), members of the target ring group will only RECEIVE audio and will not SEND audio to the call.

Note: This feature is different from multicast paging, but can be used as a simple workaround if multicast paging is not an option (i.e. equipment limitations or different locations across multiple networks).

What happens when…?

Because ring groups are used in a variety of scenarios and can be populated by both lines and phone numbers, there are some situations worth explaining.

One member of the ring group is on a call?

  • Linksys/Cisco SPA: Interrupts the call.
  • Snom: Does not interrupt the call; rings in background.
  • Polycom: Does not interrupt the call; rings in background.

One member of the ring group is an external number?

The call proceeds as normal as lines will immediately pickup. External numbers will begin ringing and will join the ring group as soon as the call is answered.

One member of the ring group is on Do Not Disturb (DND)?

The call proceeds as normal, but the member on DND is ignored.

One member of the ring group is a line with intercom disabled?

The Disabled setting is overruled, and the line will auto-answer the call.

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