3Com MSR 30, MSR 50 timer ring-back, timer wait-digit

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off-hook, the bound FXO voice subscriber line goes off-hook, too. When the FXS
voice subscriber line in the off-hook state needs to connect the FXO voice
subscriber line to originate a call over PSTN, the FXO voice subscriber line must first
perform an on-hook operation, and then perform an off-hook operation to send
the called number.
Related command: hookoff-mode.
Example # Set the interval from on-hook to off-hook for FXO voice subscriber line 1/0 to
600 milliseconds.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] subscriber-line 1/0
[Sysname-voice-line1/0] timer hookoff-interval 600
timer ring-back
Syntax timer ring-back seconds
undo timer ring-back
View FXS/FXO/E&M voice subscriber line view
Parameter seconds: Maximum duration in seconds of playing ringback tone, in the range of 5
to 120.
Description Use the timer ring-back command to configure the maximum duration of
playing the ringback tone.
Use the undo timer ring-back command to restore the default.
By default, the maximum duration of playing the ringback tone is 60 seconds.
This command applies only on interfaces that are analog E&M, digital E&M, FXS,
or FXO.
Example # Set the maximum time duration of playing ringback tones to eight seconds.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] subscriber-line 1/0
[Sysname-voice-line1/0] timer ring-back 8
timer wait-digit
Syntax timer wait-digit { seconds | infinity }
undo timer wait-digit