Data Sheet: Yealink SIP-T77U
Product Overview
The Yealink SIP-T77U is a flagship, high-end business IP phone designed for power users, executives, and professionals. Built on the Linux 6.1 operating system with integrated TEE hardware encryption, it offers a secure and highly responsive communication experience. It features a large 7-inch color touchscreen and a slim, modern design that integrates perfectly into contemporary office environments. This model is available exclusively through SKYRS in Pakistan, providing a reliable, scalable, and secure foundation for enterprise-grade voice communication.
Technical Specifications
Display: 7-inch (800 × 480 pixel) adjustable color capacitive touchscreen.
Communication: Supports up to 16 VoIP accounts and 10-way local audio conferencing.
Connectivity: Dual-port Gigabit Ethernet (PoE supported). Supports Wi-Fi (via WF50 dongle) and Bluetooth (via BT41/BT51 dongles).
Audio Technology: Yealink Optima HD Voice, Acoustic Shield technology, and AI-powered smart noise filtering.
Expansion & Ports: 2 × USB ports (Type-A and Type-C) for accessories/recording; support for up to 3 × Yealink EXP55 color-screen expansion modules (offering up to 234 programmable keys).
Security: TEE hardware encryption, TLS 1.3, SRTP media protection, and secure boot integrity.
OS: Linux 6.1 version for long-term stability and security.
Deployment, Installation, and Configuration
SKYRS provides comprehensive, expert-led services to ensure your Yealink SIP-T77U devices are integrated seamlessly into your corporate network in Pakistan:
Deployment Planning: SKYRS engineers perform site assessments to design robust network topologies, ensuring your infrastructure is optimized for high-definition voice quality and traffic stability.
Professional Installation: SKYRS manages the entire physical installation process, including secure desk or wall mounting (via optional bracket), cabling, and power configuration to guarantee reliability and long-term hardware health.
Tailored Configuration: SKYRS technicians provide specialized setup services, including:
SIP account provisioning and multi-line management for efficient call handling.
Optimization of optional wireless connectivity (Wi-Fi/Bluetooth) for enhanced mobility.
Security hardening, including network access control (802.1X) and encrypted configuration file management.
Customization of UI, DSS keys, and expansion module layouts to align with your specific workflow requirements.
Availability
The Yealink SIP-T77U is available for procurement exclusively through SKYRS in Pakistan. By sourcing your equipment through SKYRS, you gain access to genuine Yealink hardware, authorized technical expertise, and dedicated support throughout your network’s lifecycle.
Skyrs.com.pk is the exclusive vendor in Pakistan for the best Yealink equipment SIP-T77U available for professional business environments. We provide specialized communication tools for call centers, software houses, hospitals, industrial plants, and government offices. Whether you need hardware for UCM, PBX, Grandstream, Dintar, Asterisk, or cloud-hosted systems, Skyrs delivers comprehensive results. Organizations across Karachi, Lahore, Islamabad, Rawalpindi, Faisalabad, Quetta, Peshawar, Multan, Hyderabad, and Sialkot rely on our expertise.
We offer dedicated support for Yealink Migration projects to ensure seamless integration into your existing systems. Our inventory includes Branded used Yealink devices and Refurbished Yealink models at highly competitive price points. Additionally, we act as a trusted supplier for high-speed hard disks, SSDs, and RAM to complement your office infrastructure. Organizations choosing Skyrs benefit from local technical support and reliable, high-quality hardware.
The series delivers exceptional audio clarity and advanced features for modern enterprise communication. Engineers utilize our configuration guide to optimize network stability and call quality. You can easily manage the throughput limit to ensure consistent performance for all your voice traffic. Furthermore, we provide essential rack mount kit hardware and support for Yealink SIP-T77U memory upgrade tasks. Our team facilitates Yealink SIP-T77U security license activation and reliable Yealink SIP-T77U update procedures to maintain maximum system uptime.
Unlike other providers, our routing Yealink equipment excels in compatibility, reliability, and intelligent traffic management. Each unit provides a superior Yealink SIP-T77U PoE power budget for modern deployments, ensuring your devices remain powered and connected. You can view the official datasheet for technical details or visit our product catalog to purchase. Contact us today to request a Yealink SIP-T77U bulk quote tailored for your project.
What is the Yealink price in Pakistan for the SIP-T77U? Prices vary based on model and configuration; contact our sales team for the most accurate 2026 pricing.
Where can I find Yealink SIP-T77U price in Karachi, Lahore, or Peshawar? Skyrs provides transparent pricing and fast logistics to all major cities, including Faisalabad, Quetta, and across KPK.
How do I perform a Yealink VLAN configuration? Our support team provides a detailed guide to ensure your VLAN setup is secure and industry-compliant.
How to reset Yealink equipment? We provide step-by-step documentation to help you perform a factory reset safely for all models.
Can I download Yealink firmware updates from your site? Yes, we provide support for your Yealink firmware update download needs to keep your hardware current and secure.
Does Skyrs provide datasheets for download? Absolutely; we offer easy access to all official Yealink SIP-T77U datasheets download resources.
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