Administration
A31003-S2000-M102-3-76A9, 08/07/2009
3-110 Asterisk - OpenStage Family, Administration Manual
administration.fm
Transferring Phone Software, Application and Media Files
3.9.9 Ringer File
Custom Ringtones can be uploaded to the phone.
The following file formats are supported:
• WAV format. The recommended specifications are:
• Audio format: PCM
• Bitrate: 16 kB/sec
• Sampling rate: 8 kHz
• Quantization level: 16 bit
• MIDI format.
• MP3 format (OpenStage 60/80 only). The OpenStage 60/80 phones are able to play MP3
files from 32 kbit/s up to 320 kbit/s. As the memory for user data is limited to 8 MB, a con-
stant bitrate of 48 kbit/sec to 112 kbit/s and a length of max. 1 minute is recommended.
Although the phone software can play stereo files, mono files are recommended, as the
phone has only 1 loudspeaker.
See the following table for estimated file size (mono files):
>
The file size for a ringer file is limited to 1 MB. If the file is too large or the contents
of the file are not valid, the file will not be stored in the phone.
Length 64 kbit/s 80 kbit/s 96 kbit/s 112 kbit/s
0:15 min 0,12 MB 0,15 MB 0,18 MB 0,21 MB
0:30 min 0,23 MB 0,29 MB 0,35 MB 0,41 MB
0:45 min 0,35 MB 0,44 MB 0,53 MB 0,62 MB
1:00 min 0,47 MB 0,59 MB 0,70 MB 0,82 MB
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