Yealink SIP-T58V & T58A & T56A Smart Media Phones User Guide
Then the call is connected to the number specified in the Value field of the speed dial or BLF key.
When there is an active call and one or more calls on hold, drag one far-site window to another far-site window.
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SIP-T58V/A
SIP-T56A
SIP-T58V/A