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

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Silent monitor and barge in
Network requirements
• Configure silent monitor for Telephone C to monitor the conversation between Telephone A and
Telephone B.
As shown in Figure 81, T
elephone A and Telephone B are in a conversation. Dial the feature code
*425*Number of Telephone A# at Telephone C to monitor the conversation between Telephone A
and Telephone B.
• Configure barge in for Telephone C to participate the conversation between Telephone A and
Telephone B.
Dial the feature code *428# at Telephone C to participate the conversation between Telephone A
and Telephone B.
Figure 81 Network diagram
Configuration procedure
1. Configure the VCX:
Open the Web interface of the VCX and select Central Management Console. Configure the
information of Telephone A, Telephone B, and Telephone C. The following takes Telephone A as
an example.