Entry Level Business IP Phone KV-N2S4-PF/V2

Overview

The KV-N2S4-PF/V2 IP phone from the Radonium series is an improved entry-level model that brings reliable operation and HD voice quality to office users. It features a 2.4-inch color display, support for 4 SIP lines and 3 programmable DSS keys that help operators respond faster. Dual Fast Ethernet ports with PoE support, compatibility with EHS wireless headsets and 6-way conferencing fully meet the essential needs of a modern workstation.

Technical specifications

Datasheet (PDF)

Model: KV-N2S4-PF/V2

Generic

Specification: 2.4-inch color screen 4 SIP Lines HD Voice PoE Enabled
Phone Functions: Call logs (In/Out/Missed, 1000 entries) Local Phonebook (1000 entries) Programmable DSS/Soft keys Remote Phonebook (XML/LDAP, 1000 entries) VMWI
Call Functions: 6-way Audio Conference Call Forward (Always/Busy/No Answer) Call Hold/Resume Call out/Answer/Reject Call Transfer (Attended/Unattended) Call Waiting Caller ID Display Intercom Mute/Unmute (Microphone)
Video: N/A

Network & Management

IP Mode: IPv4/IPv6/IPv4&IPv6

Protocols

Protocols: 802.1p/Q 802.1x AES128 & AES256 DHCP FTP/TFTP HTTP/HTTPS IPv6 L2TP LLDP OpenVPN PPPoE RTP/RTCP/SRTP(Optional/Compulsory) SIP v1 (RFC2543) v2(RFC3261) SNTP STUN TR-069 UDP/TCP/TLS

General

Installation: Desktop Stand; Wall mountable (optional)
Dimensions: 178x191x171 mm (Desktop Stand)

Audio

Audio: HD Voice: HD handset, HD speaker Wideband ADC/DAC 16KHz Sampling
Narrowband Codec: G.711a/u, G.723.1, G.726, G.729, G.729A, G.729AB, G.729B, ILBC
Wideband Codec: G.722, Opus

Network

Physical: 10/100/1000 Mbps Ethernet dual bridged port for PC bypass
IP Configuration: 802.1x DHCP Network Access Control PPPoE Static IP
VPN: L2TP, OpenVPN
VLAN: (RFC6035) VLAN / LLDP / Qo5/ RTCP-XR (RFC3611) VQ-RTCPXR

Deployment & Management

Deployment & Management: Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP PNP/TR-069 Configuration Export / Import Firmware Upgrade Network Firewall Online Upgrade Phonebook Import/Export Screenshot Syslog Web Management Portal Web-based Packet Dump

Physical Specifications

Main LCD x1: 2.4-inch (320x240) Color Screen
DSS Key: N/A
Keypad: 1 OK Key 12 Standard phone digits keys 3 Line keys (with LED indicator light) 3 Volume control keys (Up/Down/Mute Microphone) 4 Navigation keys 4 Soft-keys 8 Function keys (Hold/Transfer/Voice message/Conference/Phonebook/Headset/Redial/Hands-free)
HD Handset: 1 x (RJ9)
Standard RJ9 Handset: 1 x Wire
Status Indicator Light: x1 (Red)
RJ9 Port x 2: Handset x1, Headset x1
RJ45 Port x2: Network x1 PC x1 (Bridged to Network)
Safety Keyhole: x1
Power Input: DC 5V/0.6A or PoE
Power Consumption (PoE): 1.32~2.09W
Working Humidity: 10~95%
Working Temperature: 0~45°C
Color: Black

Downloads

Documentation

KV-N2S4-PF/V2

DatasheetPDF359.6 KB

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Frequently asked questions

Questions about this product

Are genuine spare parts available for IP phones?

Subject to availability, and provided the model is still supported, our after-sales service team can look into your request and supply the parts you need.

What are my options when IP phones become outdated?

Depending on the product and the state of its technology, the options to consider are repair, spare parts, an upgrade or replacement with a newer model.

Is there an upgrade program for IP phones?

For models and cases covered by our upgrade program, we can look into buying back your existing product and replacing it with a higher-end model.

How can I reduce the total cost of ownership of IP phones?

Choosing the right product, installing it to standard, servicing it regularly, monitoring its health and making use of repair and upgrade services can all reduce lifecycle costs.

What is the biggest mistake people make when buying IP phones?

A common mistake is choosing a product on price or a single technical specification alone, while overlooking compatibility, infrastructure, after-sales service and future expansion needs.

Frequently asked questions: IP Phones

Answers to common questions about this product line, from the KDT Help Center.

Why isn't my IP phone working properly?

First check the power, the cable or connection, the settings, the network address and the software status. Then you can move on to more in-depth checks and the logs.

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Where should I start when choosing the right IP phones?

Start by defining the intended use, the number of devices, the installation environment, the capacity required and your plans for future expansion. Then choose the model and technical specifications based on what the project actually needs.

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Which technical specifications matter most for IP phones?

Depending on the project, the most important specifications are capacity, speed, compatibility, environmental ratings, management features and scalability. Basing your choice on a single figure is usually not enough.

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Is a cheaper IP phone model always the right choice?

No. The purchase price is only one factor. You also need to consider reliability, features, service life, after-sales service and maintenance costs.

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How do I work out how much capacity an IP phone system needs?

Base the calculation on the number of devices, actual usage, how long the system will be in use and how much the project is likely to grow. It is also wise to keep some capacity in reserve.

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