Yealink SIP-T48G Administrator's Manual page 31

Getting Started
For SIP-T48G/T42G/T41P:
Desk Mount Method
Wall Mount Method (Optional)
Note
The top two slots on SIP-T48G IP phones are plugged up by silica gel. You need to pull out
silica gel before attaching the wall mount bracket.
For more information on how to mount the IP phone to a wall, refer to Yealink Wall Mount
Quick Installation Guide.
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