Executive Business Phones

Yealink T4 SeriesMost Practical Business IP Phone

Six models, one series — from a no-fuss entry-level desk phone to a 7-inch executive touchscreen. The T4 delivers what Pakistani offices actually need: dual Gigabit ports, HD voice, PoE, and zero-touch provisioning—supplied and deployed nationwide by Yealink’s authorized distributor. Experience the Yealink T4 Series in Pakistan for all your business communication needs. Discover the benefits of the Yealink T4 series phones in Pakistan.”

12–16 SIP Accounts

Android 13

TEE Encryption

Yealink T4 Series Phones

6 Models

Entry to Executive

7" Touchscreen

Largest display (T48U)

PoE Ready

IEEE 802.3af — all models

12–16 Lines

SIP accounts per device

The T4 Series Explained

Most Widely Deployed Business IP Phone Series

The Yealink T4 Series is the backbone of business communication for thousands of Pakistani offices. It is not the most glamorous phone series Yealink makes — it is the most useful. Every model in the T4 range is engineered to solve a specific business problem: reliable multi-line calling, a larger screen, a color display, wireless connectivity, or executive-grade touchscreen operation. Six models, each built for a distinct role, all sharing the same core platform of dual Gigabit Ethernet, HD voice with Acoustic Shield, PoE support, and zero-touch provisioning.

Whether you are equipping a busy reception desk with a dependable 12-line phone, rolling out color-display handsets across an open-plan office, deploying wireless-first in a space with limited Ethernet, or giving a senior manager the 7-inch touchscreen they need to handle 16 lines and 29 one-touch DSS keys, the T4 Series has that exact device. And as Yealink’s authorized distributor in Pakistan, we carry every model from genuine, warrantied stock of Yealink IP Phones, with certified engineers on the ground in Karachi, Lahore, Islamabad, and Rawalpindi to deploy and configure each device correctly.

The T4 Series is also PBX-agnostic by design. It works with every platform commonly deployed in Pakistan: 3CX, Asterisk, FreePBX, Cisco Call Manager, Huawei eSpace, Microsoft Teams Direct Routing, and any standards-compliant SIP PBX or cloud platform. If your organization uses it, a T4 phone will connect to it.

Yealink Pakistan is the authorized distributor of the complete Yealink T4 Series in Pakistan. The T4 Series includes six models — SIP-T42U, SIP-T43U, SIP-T44U, SIP-T44W, SIP-T46U, and SIP-T48U — available with authorized supply, on-site installation, and full Yealink manufacturer warranty support across Karachi, Lahore, Islamabad, Rawalpindi, and nationwide.

Full T4 Range

Six Models. Every Role. One Series.

From a 2.7-inch monochrome entry phone to a 7-inch executive touchscreen — every T4 model is available from Pakistan’s authorized Yealink distributor, with on-site deployment nationwide.

Reliable Calling for High-Traffic Environments

Yealink SIP-T42U · Entry Level

The dependable multi-line phone for reception desks and back-office teams.
  • 2.7" graphical LCD display (192×64) with backlight
  • 12 SIP accounts · 5-way audio conferencing
  • Dual Gigabit Ethernet · PoE (IEEE 802.3af)
  • 2× USB 2.0 · expandable via EXP50 modules
  • HD voice · Acoustic Shield · zero-touch provisioning
Built-In Wireless for Cable-Free Deployments

Yealink SIP-T44W · Wireless

No Wi-Fi dongle. No Bluetooth adapter. Deploy anywhere in your office.
  • 2.8" color LCD display (320×240) · wallpaper support
  • Built-in BT 4.2 + dual-band Wi-Fi (2.4G/5G, 802.11ac)
  • 12 SIP accounts · 8 line keys · 5-way conferencing
  • Dual Gigabit Ethernet · PoE · 2× USB 2.0
  • HD voice · Acoustic Shield · zero-touch provisioning
Larger Screen. Same Proven Reliability.

Yealink SIP-T43U · Entry Level

A step up in screen real estate — ideal for users who monitor multiple lines.
  • 3.7" graphical LCD display (360×160) with backlight
  • 12 SIP accounts · 5-way audio conferencing
  • EXP43 color expansion module support
  • Dual Gigabit Ethernet · PoE · 2× USB 2.0
  • HD voice · Acoustic Shield · zero-touch provisioning
Large Colour Display. 16 Lines. 10-Way Conferencing.

Yealink SIP-T46U · Premium

For managers and power users who need more lines, more keys, and a bigger screen.
  • 4.3" color LCD (480×272, 16-bit) · wallpaper + screensaver
  • 16 SIP accounts · 10 line keys · 10-way conferencing
  • 7 feature keys + EXP43 expansion module support
  • Dual Gigabit Ethernet · PoE · 2× USB 2.0 · USB recording
  • HD voice · Acoustic Shield · TLS 1.3 + SRTP
Full Colour Display. Full Business Feature Set.

Yealink SIP-T44U · Mid-Range

The entry point to color SIP phones — professional look, practical capability.
  • 2.8" color LCD display (320×240) · wallpaper support
  • 12 SIP accounts · 8 line keys · 5-way conferencing
  • EXP43 color expansion module support
  • Dual Gigabit Ethernet · PoE · 2× USB 2.0
  • HD voice · Acoustic Shield · TLS 1.3 + SRTP
7-Inch Touchscreen Executive IP Phone

Yealink SIP-T48U · Executive

The T4 flagship — a premium touchscreen experience for senior professionals.
  • 7" capacitive touch display (800×480, 24-bit) — wall-mountable
  • 16 SIP accounts · 29 one-touch DSS keys · 10-way conferencing
  • Caller ID with photo display · call recording via USB
  • Dual Gigabit Ethernet · PoE · 2× USB 2.0
  • HD voice · Acoustic Shield · TLS 1.3 + SRTP

Platform Advantages

Why the T4 Series Is the First Choice for Business IP Phones

These four capabilities are built into every T8 model — from the T85W to the T88V Pro. They are not optional extras.

HD Voice & Acoustic Shield

Every T4 model delivers wideband HD audio through Yealink’s Acoustic Shield noise-filtering technology. Open-plan offices, air conditioning, and keyboard clatter are filtered before they reach the other caller. The result is consistently clear, professional call quality — regardless of the environment your team works in across any Pakistani city.

Zero-Touch Provisioning at Scale

Deploy a single phone or five hundred devices — the T4 provisioning process is identical. Yealink’s RPS auto-provisioning service and the free YDMP device management platform allow centralized configuration without touching each device individually. IT administrators in Pakistan can push firmware updates, SIP account configurations, and phone policies to the entire T4 fleet from a single management console.

Dual Gigabit Ethernet — One Cable Per Desk

Every T4 phone includes a Gigabit pass-through port. Run one Ethernet cable to the phone, one to the PC — no separate switch port needed at every desk. For IT teams deploying phones across multiple floors of a Pakistan office building, this eliminates significant infrastructure cost and cabling complexity, particularly in older buildings where structured cabling is limited.

PoE — No Power Adapter Required

All six T4 models support Power over Ethernet (IEEE 802.3af). Your existing PoE-capable switch powers each phone over the data cable — no separate power adapter, no extra socket at each desk, no additional power cabling to route. For large deployments across Pakistani offices, PoE support meaningfully reduces installation complexity, time on-site, and material cost.

Universal SIP Compatibility

All T4 Series phones are fully SIP-compliant and tested against every major PBX platform deployed in Pakistan — including 3CX, Asterisk, FreePBX, Cisco Call Manager, Avaya, Huawei eSpace, and Microsoft Teams Direct Routing. Whatever platform your organization runs today — or plans to migrate to — the T4 Series integrates cleanly. Our engineers configure the full integration as part of every on-site deployment.

TLS 1.3 + SRTP Encryption

Enterprise-grade security is standard across the T4 range. Every model supports TLS 1.3 for SIP signaling encryption and SRTP for voice payload encryption — protecting call content from interception. For organizations in the finance, healthcare, government, and legal sectors where call confidentiality is a compliance requirement, the T4 Series meets that standard out of the box, with no additional licensing or configuration overhead.

Model Progression

Choose Your Level — See What Each Step Unlocks

Each T4 model builds on the previous one. Find the step that matches your team’s requirements.

T42U

T42U

Reliable 12-line SIP phone with 2.7″ display
T43U

T43U

Larger 3.7″ display & color expansion
T44U

T44U

Full colour screen (320×240)
T44W

T44W

Built-in BT 4.2 & dual-band Wi-Fi
T46U

T46U

16 SIP lines, 4.3″ screen & 10-way conference
T48U

T48U

7″ touchscreen & 29 one-touch DSS keys

Find Your Model

Which T4 Model Is Right for Your Team?

Three user types. Six models built for them. Here is where to start.

T42U (wired) or T43U (larger screen)

Reception & Back-Office Staff

You handle high call volumes, transfer frequently, and need a phone that is always reliable and easy to operate under pressure. You do not need a color screen or wireless — you need a solid, multi-line phone with clear audio and consistent performance throughout the working day. Both the T42U and T43U are purpose-built for this role, with the T43U offering a noticeably larger display for users who monitor multiple lines simultaneously.

T44U (wired) or T44W (wireless)

General Office & Team Members

You want a professional-looking phone with a color screen, the ability to pair a Bluetooth headset without a dongle, and the flexibility to deploy in open-plan environments where Ethernet cables do not reach every desk. The T44U delivers the color display and full feature set for wired deployments. The T44W adds built-in dual-band Wi-Fi and Bluetooth 4.2 — no adapters, no extra purchases — making it the natural choice for wireless-first offices and modern Pakistani workspaces.

T46U (managers) or T48U (executives)

Managers & Senior Professionals

You monitor multiple extensions, chair conference calls, and need enough screen real estate and programmable keys to manage your role without hunting through menus. The T46U delivers a 4.3-inch color display, 16 SIP lines, and 10-way conferencing for managers who need capacity. The T48U is the definitive choice for senior executives: a 7-inch capacitive touchscreen, 29 one-touch DSS keys, caller ID with photo display, and the most expansive interface in the T4 Series — all from a single desk phone.

T4 Series Deployment Starts Here

Ready to Deploy T4 Series Phones Across Your Pakistan Office?

Our solutions team works with Pakistani businesses every day to match the right T4 model to each role. Tell us your team size, PBX platform, and city — we will recommend the right models and handle the full deployment from supply through to staff training.

Formal quotation with itemized pricing

PKR pricing, individual line items, tax documentation included

Bulk order pricing available

Volume discounts for contact centers, corporations, and government

Authorized products, full warranty

Genuine Yealink stock with manufacturer warranty documentation

Nationwide delivery

Karachi, Lahore, Islamabad, Rawalpindi, and nationwide via courier

Why It Matters

Why Pakistani Businesses Buy Their T4 Phones From Us

Pakistan has no shortage of IP phone resellers. The difference between Yealink Pakistan and an unauthorized seller is not visible at unboxing — it becomes visible three months later, when a device develops a fault and the warranty claim is rejected because the purchase was not from an authorized source, or when a firmware update breaks a configuration, and there is nobody local to fix it.

Every T4 phone we supply is sourced directly from Yealink’s authorized supply chain. Each unit carries the full manufacturer warranty, ships with official tax invoice and product documentation, and is backed by engineers who are on-site in your city — not managing tickets from overseas. When something needs attention, you contact a local team that knows your deployment.

Beyond hardware, our engineers configure every T4 deployment from scratch — SIP registration, PBX integration, QoS, VLAN configuration, and centralized provisioning via Yealink’s RPS and YDMP platforms. You get hardware that works correctly from day one, not a box of phones to figure out yourself.

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Formal quotation with itemized pricing

Yealink Authorized Distributor — verified genuine hardware on every order

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Bulk order pricing available

Full manufacturer warranty with every T5 Series device purchased

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Authorized products, full warranty

Official tax invoice and warranty documentation for every purchase
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Nationwide delivery

SLA-backed post-deployment support contracts available on request

FAQs

Before You Order — Common Questions

Everything you need to know before placing an inquiry.

Are Yealink T4 series phones available in Pakistan with genuine warranty?

Yes. Yealink Pakistan is Yealink’s authorized distributor in Pakistan and stocks the complete T4 Series lineup — from the SIP-T42U entry-level phone to the SIP-T48U 7-inch touchscreen executive model. Every unit is factory-fresh, fully genuine, and covered by Yealink’s manufacturer warranty. We supply nationwide and provide on-site installation in Karachi, Lahore, Islamabad, and Rawalpindi.

What is the difference between the Yealink T42U, T44U, T44W, T46U, and T48U?

The T42U is the entry-level model: 2.7-inch monochrome LCD, 12 SIP accounts, 5-way conferencing — ideal for reception and back-office use. The T43U adds a larger 3.7-inch display. The T44U is the first T4 model with a 2.8-inch color screen. The T44W adds built-in Bluetooth 4.2 and dual-band Wi-Fi to the T44U — no dongles required. The T46U steps up to a 4.3-inch color display, 16 SIP accounts, and 10-way conferencing — suited for managers. The T48U is the flagship: a 7-inch capacitive touchscreen (800×480), 16 SIP accounts, and 29 one-touch DSS keys — for senior executives.

Which T4 model should I choose for a general office deployment?

For general office staff, the T44U or T44W are the most practical choices. The T44U offers a color display and standard SIP capability on a wired connection. If your office has limited Ethernet cabling or you prefer to deploy phones without running new cables, the T44W includes built-in dual-band Wi-Fi and Bluetooth 4.2 — no USB dongle required. For high-call-volume environments such as reception desks, the T42U or T43U is more cost-effective. For managers who need more SIP lines and a larger display, the T46U is the right step up.

Can Yealink T4 phones work with 3CX or Asterisk PBX?

Yes. All Yealink T4 Series phones are fully SIP-compliant and compatible with every major PBX platform used in Pakistan — including 3CX, Asterisk/FreePBX, Cisco Call Manager, Avaya, Huawei eSpace, and any standards-compliant cloud PBX or SIP trunk. They also support Microsoft Teams Direct Routing for organizations using Teams Phone plans. Yealink Pakistan’s engineers configure the full PBX integration as part of every on-site deployment, including SIP account registration, codec configuration, quality of service settings, and VLAN tagging where required.

Does the Yealink T44W have built-in Wi-Fi and Bluetooth?

Yes. The Yealink SIP-T44W includes built-in Bluetooth 4.2 and dual-band Wi-Fi (2.4GHz and 5GHz, supporting IEEE 802.11a/b/g/n/ac with speeds up to 433Mbps) as standard — no USB dongle required. This makes it the ideal T4 model for wireless-first office deployments in Pakistan, open-plan environments where Ethernet is not available at every desk, or any situation where cable-free installation is preferred. The T44W supports Wi-Fi network connection as a replacement for Ethernet, making it fully operational in any location with a Wi-Fi access point.

Can you install and configure T4 series phones on-site across Pakistan?

Yes. Yealink Pakistan provides complete on-site deployment across Karachi, Lahore, Islamabad, and Rawalpindi. Our deployment service covers physical installation, PoE switch verification, network and quality of service configuration, full PBX or SIP trunk integration (3CX, Asterisk, Teams Direct Routing), zero-touch provisioning setup via YDMP and RPS, and staff handover training. For cities outside these areas, we supply courier and remote configuration support over VPN or secure access.

How do I get a price quote for Yealink T4 phones in Pakistan?

Contact Yealink Pakistan directly via the quote form on this page, by phone, or via WhatsApp. Tell us which T4 models you need, the quantity, your city, and your PBX platform. We will prepare a formal quotation with itemized pricing within 4 business hours. We provide official tax invoices and process purchase orders for corporate, government, and institutional buyers. There is no obligation — our team advises on the right model selection before you commit to any order.

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