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Yealink SIP-T48U Administrator's Guide

Yealink SIP-T48U
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Network Configurations
23
Network Configurations
You can make custom network configurations.
Topics
IPv4 and IPv6 Wired Network Settings
DHCP Option for IPv4
DHCP Option for IPv6
VLAN
Wi-Fi
Real-Time Transport Protocol (RTP) Ports
Network Address Translation (NAT)
Internet Port and PC Port
VPN
Quality of Service (QoS)
802.1x Authentication
TR-069 Device Management
IPv4 and IPv6 Wired Network Settings
You can configure the devices to operate in IPv4, IPv6, or dual-stack (IPv4/IPv6) mode.
After establishing wired network connectivity, the devices obtain the IPv4 or IPv6 network settings from a Dynamic
Host Configuration Protocol (DHCPv4 or DHCPv6) server. We recommend using DHCP where possible to elim-
inate repetitive manual data entry.
You can also configure IPv4 or IPv6 network settings manually.
Note: Yealink devices comply with the DHCPv4 specifications documented in RFC 2131, and DHCPv6 specifications doc-
umented in RFC 3315.
Topics
Wired Network IP Addressing Mode Configuration
IPv4 Wired Network Configuration
IPv6 Wired Network Configuration
Wired Network IP Addressing Mode Configuration
The following table lists the parameters you can use to configure IP addressing mode for the wired network.
Parameter
static.network.ip_address_mode
[1]
<y0000000000xx>.cfg
Description
It configures the IP addressing mode for the wired network.
Permitted
Values
0-IPv4
1-IPv6
2-IPv4 & IPv6
Default
0
Web UI
Network > Basic > Internet Port > Mode (IPv4/IPv6)
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > WAN Port > IP Mode
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > WAN Port > IP Mode

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Yealink SIP-T48U Specifications

General IconGeneral
Handset typeWired handset
Product typeIP Phone
Product colorGray
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Expansion module supportYes
Ethernet LAN (RJ-45) ports2
Display diagonal7 \
Display resolution800 x 480 pixels
Lines quantity- lines
Phonebook capacity1000 entries
Number of VoIP accounts16
Voice codecsAGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithmsAES, HTTPS, SRTP, TLS
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Front camera-
AC adapter input voltage100 - 240 V
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Keypad number of keys29
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Width226 mm
Height185 mm

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