Figure 27: Generating Custom Ringtone (Windows) - Grandstream Networks DP750 User Manual

Step 1: Generate Custom Ringtone(s)
1. Download "Ringtone Generator" tool available at
2. Run the tool and select your ringtone file to convert.
Notes:
Currently only 16-bit linear PCM audio is supported for .wav files. The sampling rate should be
automatically detected and the audio will automatically be downsampled to 8kHz. Stereo channels
are also detected and mixed to produce mono output.
.pcm files should be pre-formatted to 16-bit 8kHz mono format.
3. Press "Generate Ringfile" to finish the process. Ringtone with filename "ring1.bin" will be created at
same location as ringtone tool.
Step 2: Download Custom Ringtone(s) to DP750 Base Station
1. Make generated ringtone files available in your TFTP, HTTP or HTTPS server.
2. Access DP750 Web GUI and go Maintenance  Firmware Upgrade page.
3. Set "Upgrade Via" to TFTP, HTTP or HTTPS (depending on server type hosting ringtone files).
4. Set "Firmware Server Path" to IP address or the FQDN of the server.
5. Set "Firmware Upgrade and Provisioning" to "Always Check for New Firmware".
6. Update the change by clicking the "Save and Apply" button. Then "Reboot" or power cycle the
base station to download the ringtone(s).
http://www.grandstream.com/support/tools

Figure 27: Generating Custom Ringtone (Windows)

DP750/DP720 User Guide
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