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Voice prompt specification
Below is a complete list of the voice prompts that may be customized. The default wording is shown
for each prompt. You do not have to use exactly the same wordings if they are not appropriate for your
needs, and are provided only as a guide.
Filename
voice_prompt_connecting
voice_prompt_enter_number
voice_prompt_welcome_isdn_gw
Making the best possible recordings
There are many factors to consider when recording alternative voice prompts in order to get the best
results. Below is a summary of the points to bear in mind.
Recording format
It is best to make each recording with the ideal settings and hence avoid any sample-rate or resolution
changes. As discussed, the ideal format is Microsoft Wave (.WAV) format, uncompressed, mono, at
16 kHz and 16-bit resolution.
If you are unable to make mono recordings, the ISDN gateway can convert stereo recordings.
Background noise
It is important to minimize background noise (hiss) as much as possible. This includes ambient noises
such as road noise and slamming doors etc. but also try to keep fan noise and similar to a minimum.
When played back by the ISDN gateway, samples with background noise are very apparent.
Consistency
If possible, record all voice prompts in one session. This will ensure that all voice and background
conditions remain constant and the recorded voice will sound similar from prompt to prompt.
Volume
Record prompts using a relatively constant loudness of voice. Although it may take some trial and
error, the best recordings will result from speaking loud enough that the voice is recorded loudly
compared to any residual background noise, but not so loudly that it sounds distorted when played
back.
Cisco TelePresence ISDN Gateways v2.0 Online help (Printable format)
Default wording
Thank you. I'll connect you now
Please enter the number you wish to dial followed by the
hash key
Hello
Customizing the user interface
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