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http://provisioning.snom.com/download/fw/snom300-8.7.3.19-SIP-f.bin
into the Firmware field and press load
c. The phone reboots and may ask you to perform the update, click ‘Yes’.
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Step 1 | Step 2 |
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Navigate to the Setup/Function Keys page:
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Step 3 | Step 4 |
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Insert the "*1*" string in the third column: These DTMF activate the transfer mode. | Act the same way for another dial button (i.e. P4) but this time insert the "*3*" DTMF train: this one activates the "3-way call" |