User Guide for SIP-T56A Smart Media Phone
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To resume the held multicast RTP session, tap the Resume soft key.
The multicast RTP session is established again.
Tap the EndCall soft key to cancel the multicast RTP session.
Tap the Record soft key to record a call.
To stop recording, tap the Stop soft key.
Music on Hold
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 a SIP URI
pointing to a Music on Hold Server account. When a call is placed on hold, the phone will send a
SIP INVITE message to the Music on Hold Server account. The Music on Hold Server account
automatically answers the SIP INVITE messages and immediately plays audio from some source
located anywhere (LAN, Internet) to the held 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.
When you place a call on hold, music will be played to the held party.
Note
For this feature to function, all involved parties cannot use encrypted RTP (SRTP).
Music on hold server is configurable via web user interface only.
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