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| Display Resolution |
102 x 33 |
132 x 46 |
160 x 80 |
320 x 160 |
320 x 160 |
320 x 160 |
| Max Lines Supported |
2 |
2 |
4 |
3 |
4 |
6 |
| Line & Navigation Keys |
7 |
7 |
9 |
10 |
10 |
12 |
| Full Duplex Speakerphone |
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| Mute / Handset / Hands-Free Keys |
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| Busy Lamp Field (BLF) |
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| Power over Ethernet (POE) |
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| SIP RFC 3261 Support |
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| Polycom HD Voice |
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| Backlit LCD |
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| USB Port |
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| Expansion Module Support |
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