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Display| display resolution | 256 x 116 pixels |
|---|---|
| display type | backlit grayscale graphical LCD |
| display backlight | LED backlight with custom intensity control |
Audio Features| frequency response | 150Hz - 7kHz |
|---|---|
| codecs | G.722, G.711 μ/A, G.729A, iLBC |
| full-duplex speakerphone | Type 1 compliant with IEEE 1329 |
Power| power over ethernet | IEEE 802.3af Class 2 |
|---|---|
| external AC adapter | 24VDC/12W |
| power adapter | Universal, auto-sensing |
Operating Environment| operating temperature | 0 to 40°C (+32 to 104°F) |
|---|---|
| storage temperature | -40 to +70°C (-40 to +160°F) |
| relative humidity | 5% to 95%, noncondensing |
Size and Weight| dimensions | 8.5 x 6 x 6.5 in x 2.5 in (21.5 x 15 x 16.5 x 6.5 cm) |
|---|---|
| box dimensions | 12.5 x 13.25 x 3.5 in (31.75 x 33.5 x 9 cm) |
| unit weight | 2.4 lbs (1.1 kg) |
Instructions on how to initiate calls using various methods.
Procedures for answering incoming calls.
Steps to set up and manage conference calls with multiple parties.
Explains how to transfer calls using different methods.
Details the primary hardware features of the phone.
Offers guidance on resolving common phone problems.
Troubleshooting issues related to phone power and startup.
Resolving problems with the phone's dial pad and keys.
Diagnosing issues with screen access and network connectivity.
Solutions for problems with making or receiving calls.
Troubleshooting issues related to the phone's display and contrast.
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