Advanced Phone Features2413. Tap Paging to send RTP.4. Tap Hold to place the current multicast RTP session on hold.The sender’s phone places the multicast RTP session on hold and receiver’s phonereleases the session.5. To resume the held multicast RTP session, tap Resume.The multicast RTP session is established again.6. Tap the EndCall soft key to cancel the multicast RTP session.Music on hold (MoH) is the business practice of playing recorded music to fill the silencethat would be heard by the party placed on hold. To use this feature, you should specifya SIP URI pointing to a Music on Hold Server account. When a call is placed on hold, thephone will send a SIP INVITE message to the Music on Hold Server account. The Musicon Hold Server account automatically answers the SIP INVITE messages andimmediately plays audio from some source located anywhere (LAN, Internet) to theheld party. Contact your system administrator for the SIP URI.To configure music on hold server via web user interface:1. Click on Account-> Advanced.2. Select the desired account from the pull-down list of Account.3. Enter the SIP URI (e.g., sip:moh@sip.com) in the Music Server URI field.4. Click Confirm to accept the change.
