R2511-HP MSR Router Series Voice Configuration Guide(V5)

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Configuring the three-party conference service in voice subscriber line view will invalidate the local call
identification function. For more information about the configuration of the local call identification
function, see the distinguish-localtalk command in Voice Command Reference.
To configure three-party conference by using command lines:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter voice subscriber line
view.
subscriber-line line-number N/A
3. Enable three-party
conference.
conference enable Disabled by default.
Configuration example
Place a call from Telephone A to Telephone B and hold the call. Then, place a call from Telephone A to
Telephone C. After success, press the hook flash. After hearing the prompt tone, press 3 to establish a
three-party conference. At this time, subscribers of Telephones A, B, and C can have a conversation
simultaneously.
# Enable three-party conference for the voice subscriber line of Telephone A.
<Sysname> system-view
[Sysname] subscriber-line 2/0
[Sysname-subscriber-line2/0]call-hold enable
[Sysname-subscriber-line2/0] conference enable
Configuring silent monitor and barge in
You can configure silent monitor and barge in (that is, three-party conference in active participation
mode) either by using the keys on a telephone or by using the command lines on the device.
Configuration prerequisites
• Install an FXS voice card on the device.
• Install a VPM on the main board of the device.
• The device has registered with the VCX so that all sessions will be established through the VCX.
Configuring three-party conference in active participation
mode by using keys
The device supports configuring the three-party conference in active participation mode of the FXS voice
subscriber line through a telephone.
The configuration performed on the telephone also takes effect on the device. You can execute the
display this command on the corresponding subscriber line to check the configuration.
Configuring the three-party conference service in active participation mode on a telephone will
invalidate the local call identification function (if configured). For more information about the
configuration of the local call identification function, see the distinguish-localtalk command in Voice
Command Reference.