Yealink SIP-T48G Mombasa, Kenya


Yealink SIP-T48G  VoIP Phone Kenya 

The Yealink SIP-T48G  IP Phone in Mombasa, Kenya  is the high end model of the Yealink T4x Series, planned for both managers and busy professionals. The Yealink SIP-T48G IP Phone has a 7-inch color touchscreen and is elegant, meeting all of the desires that apply to the current market of high-level phones. The T48G has excellent HD audio performance.


Yealink SIP-T48G VoIP Phone Mombasa 

The Yealink SIP -T48G VoIP Phone in Mombasa is a modern and powerful IP Phone which is meant to enhance communication in the modern world. It is highly flexible, thus meeting the communication needs and requirements of many types of businesses. It allows for both local and international use by businesses, industries, and firms.

Yealink SIP-T48G is equipped with a large touch panel that makes it easy for users to navigate between different screens and applications. It has an integrated Yealink Optima HD Voice technology which delivers crystal clear sounds  and natural life-like conversations. Packed with dual ports for Gigabit Ethernet connectivity, the Yealink SIP -T48G allows its user to make fast calls over the internet without incurring much costs. An included Bluetooth USB Dongle makes it easy to achieve a seamless Bluetooth connection. The Yealink new IP Phone supports impressive productivity-enhancing features too which make it the natural and clear productivity tool for today’s busy managers and professionals. The Yealink SIP T48G is a 16-line Gigabit SIP phone best for heavy phone use and traffic.

Yealink SIP-T48G Kenya IP Phone Features:

  • 16-line (with Firmware V73 loaded) Appearances
  • Dual-port Gigabit Ethernet
  • Yealink Optima HD Voice Supported
  • Up to 16 (with Firmware V73 loaded) SIP accounts
  • Full-duplex hands-free speakerphone
  • Supports Yealink EXP40 expansion module
  • RJ9 Headset Port
  • 7″ 800 x 480-pixel color touch screen with backlight
  • Wall mountable
  • Supports PoE, Power Supply also available separately

HD Audio

Yealink Optima HD Voice technology combines cutting-edge hardware and software, including the Yealink Noise Proof Technology, to fully improve its audio quality. As a speech codec for real-time, packet-based voice communications, SILK, is designed to perform a higher HD audio quality which provides scalability in several dimensions and is highly scalable in terms of audio bandwidth, network bit rate, and complexity. And its hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly.

Rich Functionality

The 7-inch adjustable multi-point screen  provides a rich visual presentation and easy menu navigation. The Yealink T48G is based on SIP, and is therefore fully compatible with available leading professional office platforms,

Easy deployment

Supporting Microsoft’s Skype for Business Server in-band provisioning enables a carefree configuration and easier-than-ever mass deployment. Automatically deployed on a variety of servers- http, https and ftp, Yealink T48S SFB can even be pre-installed with Yealink’s premium software for Skype for Business prior to shipping, meaning plug-and-play for customers immediately after unboxing.

Yealink Noise Proof Technology :

Yealink has developed its Noise Proof Technology to eliminate background noise and provide noise-free services even in a busy environment.  This ensures that the user can clearly hear and be heard during phone calls. 

Wired And Wireless Connectivity :

The Yealink SIP T48G VoIP Phone uses an integrated RJ9 port to connect to wired headsets. It allows for wireless connectivity using  Bluetooth and Wi-Fi  optional dongles.

Ease of use, low learning cost :

To extend a seamless workflow on the desktop device, Yealink T48G offers a seven-inch 800 x 480-pixel backlit capacitive touch screen, Yealink Optima HD Voice and supports key calling functionality. Yealink SIP – T48G makes it easier than ever to collaborate with partners while reducing learning costs and increasing the user adoption rate.

Efficient Provisioning and Management :

The Yealink T48G is coupled with Yealink efficient auto-provisioning mechanism, including phone deployment and configuration. Administrators can take advantage of centralized deployment, management and updating. Moreover, Yealink SIP – T48G supports several device management platforms, including Microsoft/Yealink/Unify Square Device Management Platform.

SIP – Based Connection :

You can easily connect your Yealink SIP T48G  to your IP PBX System or direct to a VoIP service provider in order to enjoy seamless conference calls. The Avaya audio conference phone is based on SIP (RFC 3261) and works perfectly with most of the SIP platforms that currently exist in the market. The Yealink SIP T48G furthermore supports Power over Ethernet, thereby making its connection to various office platforms an easy task.

Yealink SIP-T48G Technical Specifications

Audio Features

  • HD voice: HD handset, HD speaker
  • Codecs: G.722, G.711(A/μ), G.723.1,
    G.729AB, G.726, iLBC
  • DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO Full-duplex hands-free speakerphone with AEC

Phone Features

  • 6 VoIP accounts
  • Call hold, mute, DND
  • One-touch speed dial, hotline
  • Call forward, call waiting, call transfer
  • Group listening, emergency call
  • Redial, call return, auto answer
  • 3-way conferencing
  • Direct IP call without SIP proxy
  • Ringtone selection/import/delete
  • Set date time manually or automatically
  • Dial plan, XML Browser, action URL/URI


  • Local phonebook up to 1000 entries
  • Blacklist
  • XML/LDAP remote phonebook
  • Intelligent search method
  • Phonebook search/import/export
  • Call history: dialled/received/missed/forwarded

IP-PBX Features

  • Busy Lamp Field (BLF)
  • Bridged Line Appearance(BLA)
  • Anonymous call, anonymous call rejection
  • Remote office, hot-desking
  • Message Waiting Indicator (MWI)
  • Voicemail, call park, call pickup
  • Intercom, paging, music on hold
  • Call completion, call recording

Display and Indicator

  • 7” 800 x 480-pixel colour touch screen with backlight
  • 24 bit depth colour
  • LED for call and message waiting indication
  • Wallpaper
  • Intuitive user interface with icons and soft keys
  • National language selection
  • Caller ID with name, number and photo

Feature keys

  • 29 one-touch DSS keys
  • 7 features keys: message, headset,
    hold, mute, transfer, redial, hands-free
  • 6 navigation keys
  • Volume control keys
  • Illuminated mute key
  • Illuminated headset key
  • Illuminated hands-free speakerphone key


  • Dual-port Gigabit Ethernet
  • Power over Ethernet (IEEE 802.3af),
    class 3
  • Built-in a USB port, support Bluetooth
  • headset (Through USB Dongle)
  • 1xRJ9 (4P4C) handset port
  • 1xRJ9 (4P4C) headset port
  • 1XRJ12 (6P6C) EXT port:
  • Supports up to 6 Expansion Modules for
    a receptionist console application

Other Physical Features

  • Wall mountable (optional)
  • External universal AC adapter (optional):
  • AC 100~240V input and DC 5V/2A output
  • Power consumption (PSU): 2.0-6.4W
  • Power consumption (PoE): 2.4-10.5W
  • Dimension(W*D*H*T):
  • 266mm*226mm*185mm*54mm
  • Operating humidity: 10~95%
  • Storage temperature: -10~50°C

Network and Security

  • SIP v1 (RFC2543), v2 (RFC3261)
  • Call server redundancy supported
  • NAT transverse: STUN mode
  • Proxy mode and peer-to-peer SIP link mode
  • IP assignment: static/DHCP/PPPoE
  • HTTP/HTTPS web server
  • Time and date synchronization using SNTP
  • QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
  • SRTP for voice
  • Transport Layer Security (TLS)
  • HTTPS certificate manager
  • AES encryption for configuration file
  • Digest authentication using MD5/MD5-sess
  • OpenVPN, IEEE802.1X
  • IPv6


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