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• Telephone Type: Telephone
• Multiline Operation Capability: YES
• Lines Supported: 4
• Conference Call Capability: Support
• Voice Mail Capability: Support
• Speakerphone: Full duplex speakerphone
• Call Forwarding: Support
• Call Hold: Support
• Call Transfer: Support
• Display Type: LCD Display
• Volume Control: Support
• Hearing Aid Compatible: Support
• Network Ports Qty: 2
• Network Protocols: Gigabit Ethernet, SIP
• Power Over Ethernet (PoE) Support: Support
• Voice Codecs: G.711 (A-law and U-law), G.729AB, G.722, iLBC, OPUS
• VoIP Protocols: Support
• Additional Features: Conversations stay on track. Hear every nuance with industry-leading sound quality featuring Poly HD Voice. Eliminate distracting background noise at the source with exclusive award-winning Poly Acoustic Fence technology.
• Dimensions&Miscellaneous
• Color: Black