PaloSanto Solutions
Yealink SIP-T28P Server Setup Guide
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4. To test the Yealink SIP-T28P, pick up the previously configured IP (SIP) Phone and
call the SIP-T28P
’s extension number (301 in this example). When the call is
established, speak into the phone and verify that the other IP (SIP) Phone can hear your
voice. Check this by calling from both ends. This step completes the manual procedure.