Calling - Polycom SoundPoint IP 550 User Manual

Calling

Symptom
There is no dial tone.
Problem
Power is not correctly applied to
the SoundPoint IP 550 phone.
Dial tone is not present on one of
the audio modes.
Troubleshooting Your SoundPoint
Corrective Action
Do one of the following:
• Check that the screen is illuminated.
• Make sure the LAN cable is inserted
properly at the back of the phone (try
unplugging and re-inserting the
cable).
• If using Power over Ethernet (PoE),
have your system administrator check
that the switch is supplying power to
the phone.
Do one of the following:
• Switch between Handset, Headset (if
present) or Hands-Free
Speakerphone to see if the dial tone is
present for one of audio modes.
• If the dial tone exists on another audio
mode, connect a different handset or
headset to isolate the problem.
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IP 550 Desktop Phone
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