425HD IP telefón PoE GbE čierny 2 Ethernet 10/100/1000 portov 4 PRK

Modern offices demand reliable, high-quality voice communication that integrates seamlessly with existing network infrastructure. The AudioCodes 425HD IP Phone addresses this need by delivering crystal-clear HD audio, robust connectivity, and essential call features in a sleek black design. With dual Gigabit Ethernet ports and Power over Ethernet support, it simplifies deployment while ensuring excellent call quality for everyday business use.

Who is it for

This IP phone is ideal for knowledge workers, receptionists, and small to medium-sized businesses that require a dependable desk phone with advanced VoIP capabilities. It suits environments where clear communication and network efficiency are priorities, such as offices, call centers, and remote workstations.

Main features

• HD wideband audio for natural, lifelike conversations
• Two Gigabit Ethernet ports (10/100/1000 Mbps) for high-speed connectivity and PC passthrough
• Power over Ethernet (IEEE 802.3af/at) eliminates the need for separate power adapters
• Four programmable line keys and four context-sensitive soft keys for one-touch access to features
• Graphical LCD display (128 x 64 pixels) for clear call information and menu navigation
• Full-duplex speakerphone and RJ-9 headset jack for hands-free flexibility
• Support for key VoIP codecs (G.711, G.722, G.729ab) and QoS for prioritised voice traffic
• Advanced security with TLS, SRTP, and 802.1X to protect communications
• Optional wall mounting for space-saving installation

Specifications

• Product type: SIP desk phone
• Connectivity technology: Wired
• VoIP protocols: SIP
• Ethernet ports: 2 x RJ-45 Gigabit Ethernet
• Display: Graphical LCD, 128 x 64 pixels
• Line keys: 4 programmable
• Soft keys: 4 context-sensitive
• Audio: HD wideband, full-duplex speakerphone
• Headset support: RJ-9 jack
• Call features: Hold, transfer, conference, mute, voicemail
• Codecs: G.711, G.722, G.729ab
• QoS: 802.1p/Q
• Security: TLS, SRTP, 802.1X
• Power: PoE (IEEE 802.3af/at) or optional AC adapter
• Colour: Black
• Wall mountable: Yes (optional)

Tips

To maximise performance, connect the phone to a PoE-enabled switch to avoid extra power cables. Use the second Ethernet port to connect your computer, reducing cable clutter and simplifying network management. For best audio quality, consider using a wideband-compatible headset or handset.