As of V15.5, Update 6 custom logos can be uploaded to supported IP phones. This feature is only supported for Enterprise edition license keys.
Supported phones
Yealink
| Phone model |
Format |
Resolution |
File size |
| Yealink T42G/T42S/T41P/T41S/CP860/CP920 |
.dob |
192*64 2 grayscale |
|
| Yealink T27P/T27G |
.dob |
240*120 2 grayscale |
|
| Yealink T40G/T40P/T23G/T23P/T21(P) E2/ T19(P) E2 |
.dob |
132*64 2 grayscale |
|
| Yealink T52S/EXP50 |
.png |
320*240 <=4.2 MPix |
<=5MB |
| Yealink T54S |
.png |
400*272 <=4.2 MPix |
<=5MB |
| Yealink T48S/T48G |
.png |
800*480 <=2 MPix |
<=5MB |
| Yealink T46G/T46S/T29G |
.png |
400*272 <=1.8 MPix |
<=5MB |
| Yealink T56/T58/CP960 |
.png |
800*480 <=2 MPix |
<=5MB |
The DOB file creation tool can be downloaded from here
Note: The Yealink phones support multiple logos, you want to only use the custom logo, the phone needs to be reset and re-provisioned using the custom logo.
Snom
| Phone model |
Format |
Resolution |
File size |
| Snom 760/D765 |
.png |
320*240 |
<=5MB |
| Snom D375/D385/D785 |
.png |
480*272 |
<=5MB |
Htek
| Phone model |
Format |
Resolution |
File size |
| Htek UC802 |
.png |
128*40 black&white |
<=5MB |
| Htek UC803 |
.png |
128*64 black&white |
<=5MB |
| Htek UC804/UC806 |
.png |
128*96 black&white |
<=5MB |
| Htek UC804T/UC804G/UC806T/UC806G |
.png |
480*320 black&white |
<=5MB |
| Htek UC902 |
.png |
132*64 black&white |
<=5MB |
| Htek UC903/UC912/UC912E |
.png |
192*64 black&white |
<=5MB |
| Htek UC923 |
.png |
320*240 |
<=5MB |
| Htek UC926/UC926E |
.png |
480*272 |
<=5MB |
| Htek UC924/UC924E/UC840/UC842/UC860/UC862 |
.png |
480*320 |
<=5MB |
Grandstream
| Phone model |
Format |
Resolution |
File size |
| Grandstream GXP2130/GXP2135 |
.jpg |
320*240 |
<=5MB |
| Grandstream GXP2140/GXP2160/GXP2170 |
.jpg |
480*272 |
<=5MB |
Fanvil
| Phone model |
Format |
Resolution |
File size |
| Fanvil X5S |
.bmp |
480*320 16bit / RGB565 |
<=300KB |
| Fanvil X6 |
.bmp |
480*272 24bit / RGB888 |
<=380KB |
Legacy phones:
Yealink – T2x, and T3 models
| Phone model |
Format |
Resolution |
File size |
| Yealink T19P/T21P/T22P/T26P |
.dob |
132*64 2 grayscale |
<=100KB |
| Yealink T28P |
.dob |
236*82 2 grayscale |
<=100KB |
| Yealink T32G |
.png |
400*240 |
<=5MB |
| Yealink T38G |
.png |
400*272 |
<=5MB |
| Yealink VP530 |
.png |
960*480 |
<=5MB |
The DOB file creation tool can be downloaded from here
Aastra – 6739i
| Phone model |
Format |
Resolution |
File size |
| Aastra 6739i |
.png |
640*480 |
<=1MB |
Avaya
| Phone model |
Format |
Resolution |
File size |
| Avaya 9601/9608G |
.jpg |
128*40 black&white |
|
| Avaya 9611G/9621G/9641G |
.jpg |
217*97 |
|
Cisco SPA
| Phone model |
Format |
Resolution |
File size |
| Cisco SPA302/SPA303/SPA501G/SPA502G/SPA504G/ SPA508G/SPA509G/SPA512G/SPA514G |
.bmp |
128*64, bitdepth 1 |
|
| Cisco SPA525G |
.jpg |
320*240 |
|
Cisco – 7940 and 7960
| Phone model |
Format |
Resolution |
File size |
| Cisco-CP7940G/CP7960G |
.bmp |
90*56, bitdepth 8 |
|
Polycom SPIP – 450, 550, and 650
| Phone model |
Format |
Resolution |
File size |
| Polycom SPIP550/SPIP650 |
.jpg |
320*130 |
|
| Polycom SPIP450 |
.jpg |
250*116 |
|
Polycom VVX – 400, 401, 410, 411, 500, 501, 600, and 601
| Phone model |
Format |
Resolution |
File size |
| Polycom VVX 400/401/410/411/500/501 |
.png |
320*240 |
|
| Polycom VVX 600/601 |
.png |
480*272 |
|
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