| Dispaly | 160x320 graphic LCD | LCD Backlight | Two accessible pages | A diverse range of actionable, LCD-accessible icons |
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| Features Keys and Indicator | 20 physical, dual-color LED programmable keys | 18 additional keys available | Programmable keys for: BLF list, multi-person conferencing, call forwarding, LDAP, XML browser functionality |
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| Footstand | Stand with two adjustable angles |
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| Extensibility | Supports up to six modules |
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| Interfaces | 2xRJ12?6P6C?ports for data in and out |
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| Compatibility | Applies to Yealink SIP-T27P/ SIP-T29G |
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| Dimension (W*D*H*T) | 122mm*143mm*110mm*45mm |
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| Power consumption | Two or less expansion modules can be powered by the host phone |
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