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9. Enter clock source internal to set the system clock source to internal timing.
10. Enter voice trunk T03 type t1-rbs supervision wink role network to create and set up this
trunk group for use with T1-RBS (DSX-1) interface.
11. Ent er connect t1 0/x tdm-group 2 to allow the physical DSX-1 interface (t1 0/x) to pass the
tdm group to the end device.
12. Enter vad to enable Voice Activity Detection (VAD). VAD detects silence during a call to
reduce the bandwidth a call uses when voice packets are not being transmitting.
13. Enter end to exit the Global Configuration mode.
14. At the # prompt, enter copy running-config startup-config to save the running
configuration to the start-up configuration. The configuration must be saved to the unit’s
nonvolatile random access memory (NVRAM) to prevent the loss of configuration during a
power cycle.