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
