Huawei AR1200 Series Configuration Manual - Voice page 31

Huawei AR1200 Series Enterprise Routers
Configuration Guide - Voice
The upper threshold for hookflash pressing is set.
By default, the upper threshold for hookflash pressing is 350 ms.
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Setting the MWI Mode
You need to set the MWI mode according to user habits.
Context
If there are leave messages, the user device configured with the MWI function makes the
indicator on or plays a tone, indicating that there are leave messages. You can set the MWI mode
according to user habits.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
voice
The voice view is displayed.
Step 3 Run:
mwi-mode { fsk-with-ring | fsk-without-ring | high-voltage }
The MWI mode is set.
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Configuring the Codec Mode for Voice Services
You need to configure the codec mode for voice services so that the user device can work in
compliance with the local standard.
Context
G.711, also known as Pulse Code Modulation (PCM), is a commonly used waveform codec. G.
711 defines two main compression algorithms, the µ-law algorithm (used in North America &
Japan) and A-law algorithm (used in Europe and the rest of the world). A-law encoding takes a
13-bit signed linear audio sample as input. μ-law encoding takes a 15-bit signed linear audio
sample as input.
Procedure
Step 1 Run:
system-view
Issue 03 (2011-09-30)
NOTE
The lower threshold for hookflash pressing must be 50 ms less than the upper threshold for hookflash
pressing.
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1 SIPAG Configuration
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