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Voice Gateway Media Card maintenance Page 583 of 770
IP Line Description, Installation, and Operation
IDU command
Since the system must request the information from the IP Phone, the IDU is
effectively a PING command and can be used to test the end-to-end IP
connectivity of the IP Phone.
An example of the output format of the IDU command in LD 32 is shown i n
Figure 196 on page 584.
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