User Guide

Basic Call Features
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- During a call, press the second line key (indicating the paging key).
- During a call, press Hold soft key, and then press More->NewCall, and then press
the second line key (indicating the paging key).
2. Press or to select the desired group.
3. Press or the Paging soft key to send RTP.
Both the sender’s and receiver’s phones play a warning tone and the receiver automatically
answers the multicast RTP session in the speakerphone mode.
The following figure shows a multicast RTP session on the phone:
4. To place the current multicast RTP session on hold, press the Hold soft key.
The sender’s phone places the multicast RTP session on hold and receiver’s phone releases
the session.
5. To resume the held multicast RTP session, press the Resume soft key.
The multicast RTP session is established again.
6. To end the multicast RTP session, press the EndCall soft key.
Note
Branch Office Resiliency
If you sign into the phone using Onprem account, you can use branch office resiliency feature.
Multicast RTP is one way only from the sender to the multicast address(es) (receiver). For
outgoing RTP multicasts, all other existing calls on the phone will be placed on hold.