Enterprise-Grade 1000-User Audio PBX with Zero License Fees
The Grandstream UCM6304A is a high-capacity communication hub designed for large enterprises and intense call environments. Supporting up to 1000 users, it unifies your voice, instant messaging, and audio meetings into one hardware-based solution. With 4 built-in FXO ports for PTCL lines and 4 FXS ports for analog devices, it is the most popular choice for high-traffic businesses across Karachi, Lahore, and Islamabad.
Massive User Capacity: Supports up to 1000 users and 150 concurrent calls, allowing large organizations to scale without additional licensing costs.
Hybrid Trunking: Equipped with 4 FXO ports (for PTCL/PSTN lines) and 4 FXS ports (for faxes and analog phones) with lifeline support.
Enterprise Audio Conferencing: Built-in platform supports up to 7 meeting rooms and 120 parties, perfect for inter-branch coordination.
Mobility & Hybrid Work: Fully integrated with the Wave App (Android, iOS, Web), enabling your team to take their office extension home or on the road.
Reliability Features: Supports Hot Standby High-Availability (local dual deployment) to ensure your communication never goes down.
Gigabit Networking: 3 self-adaptive Gigabit ports with integrated PoE+ and an onboard NAT router for top-tier network stability.
| Feature | Details |
| User Capacity | 1,000 Users / 150 Concurrent Calls |
| PSTN / Analog Ports | 4 FXO (Trunk Lines) / 4 FXS (Analog Devices) |
| Networking | 3x Gigabit Ports (PoE+ Integrated) |
| Processor & Memory | 6-core processor, 4GB RAM, 32GB Flash |
| Audio Conferencing | 7 Rooms / Up to 120 Parties |
| Instant Messaging | Built-in IM (Chat) platform via Wave App |
| Display | 320×240 Color LCD with Touch-Scroll Bar |
| Security | Secure Boot, AES-256 Encryption, TLS/SRTP |
| Peripheral Ports | 2x USB 3.0, 1x SD Card Slot |
| Management | GDMS (Cloud) & UCM RemoteConnect compatible |
At SKYRS, we provide the UCM6304A as the backbone for large-scale telephony deployments. It is our top recommendation for organizations that need a high-performance audio engine with the security of an on-premise solution and the flexibility of the cloud.
Best For: Large Corporate Offices, Call Centers, Banks, and Government Institutions.
Availability: Genuine Grandstream Stock with Official Warranty at SKYRS.
The Grandstream UCM6304 is a professional-grade unified communication product designed for high-end video and audio solutions in Pakistan. This product supports up to 2000 users and 300 concurrent calls for large enterprises in Karachi and Lahore. It unifies voice, video calling, and advanced video conferencing on one centralized network for your entire office. The product features 4 FXO and 4 FXS ports to bridge traditional PSTN lines with modern VoIP technology. Businesses in Islamabad and Faisalabad utilize this product for its built-in video conferencing and robust web meeting platform.
The Grandstream UCM6304 delivers a powerful ecosystem for remote collaboration across all your business departments. This product includes a built-in meeting platform that supports access via desktop, mobile, and SIP endpoints. It allows for up to 4 video conference rooms and 40 participants with stunning 1080p HD resolution. The product utilizes H.265, H.264, and VP8 video codecs to ensure high-quality streaming and efficient bandwidth usage.
Furthermore, the product incorporates three Gigabit auto-sensing network ports with integrated PoE+ for high-speed connectivity. You can manage this product via the Grandstream Device Management System (GDMS) for effortless cloud-based setup. It provides 50% packet loss jitter resilience to maintain smooth video during unstable internet in Rawalpindi. The product features an automated NAT firewall to ensure secure remote connections for your mobile workforce. Every product comes with advanced security protection including secure boot and unique certificates for total data privacy.
Grandstream UCM6304 Video IP PBX at Skyrs Pakistan
This product offers seamless interoperability with leading hosted platforms like RingCentral, Vonage, and AT&T Business. It integrates perfectly with 3CX and Asterisk systems to provide a versatile and scalable communication hub. Taxi services and dispatch centers in Multan and Sialkot benefit from its advanced automated call distribution (ACD). The product also supports CPhone and third-party CRM integrations via its powerful and open API.
While the Yeastar S300 is a modular alternative, the Grandstream UCM6304 includes full video conferencing out of the box. Consequently, this product offers a more complete unified communication experience without requiring expensive additional video modules. The UCM6304 product supports up to 2000 users, doubling the base capacity of many competitor systems. Moreover, the product provides superior mobile integration via the free Wave app for all your remote employees.
Skyrs provides the most competitive Grandstream UCM6304 price in Pakistan with ready stock for nationwide shipping. This product simplifies IT infrastructure by merging voice and video on a single, license-free platform. Our team offers professional installation and configuration for the product in Peshawar and Quetta offices.
Does the UCM6304 support remote workers in Pakistan? Yes, this product works with the Wave app and UCM RemoteConnect for secure, reliable remote access.
Is there a monthly subscription fee for the PBX features? No, this product has no per-seat licensing fees for any of its on-premise unified communication features.
How many video participants can it handle concurrently? The product supports up to 40 parties in 1080p HD across 4 different video conference rooms.
Can I connect my existing analog lines to this product? Yes, the product features 4 FXO ports to connect your current analog PSTN lines directly.
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