Yealink SIP T2 Series Provisioning Manual page 59

6. Paste the audio waveform to the new file.
7. Select File->Save as to save the new audio file. On the Save waveform page,
select the file format as A/mu-law wave.
The common picture format can be *.gif/*.jpg/*.png/*.bmp. Yealink IP phones only
support the *.dob format logo files. Yealink provides PictureExDemo tool to convert
*.gif/*.jpg/*.png/*.bmp format to *.dob format. You can ask the distributor or Yealink FAE
for the PictureExDemo tool.
1. Double click the PictureExDemo.exe.
2. Click Add button to open a *.bmp or *.gif file.
You can repeat the second step to add multiple original picture files.
Appendix
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