Yealink SIP-T41P User Manual page 131

The phone sends RTP to a preconfigured multicast address (IP: Port).
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 multicast paging key LED illuminates solid green.
The following figure shows a multicast RTP session on the phone:
2. 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.
3. To resume the held multicast RTP session, press the Resume soft key.
The multicast RTP session is established again.
4. To end the multicast RTP session, press the EndCall soft key.
Note 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.
To send RTP stream via a paging key list when the receiver's phone is idle:
1. Press the paging list key when the phone is idle.
2. Press
3. Press
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.
Music on hold (MoH) is the business practice of playing recorded music to fill the silence
that would be heard by the party placed on hold. To use this feature, you should specify
or to select the desired group.
or the Paging soft key to send RTP .
Advanced Phone Features
119