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 UCM6304A is a professional audio-focused IP PBX product engineered for high-capacity business communication in Pakistan. This product features 4 FXO and 4 FXS ports to bridge extensive PSTN lines with modern VoIP networks. It provides a robust unified communication platform for large enterprises in Karachi, Lahore, and Islamabad. The product supports up to 1,000 users and handles 150 concurrent calls with enterprise-grade reliability. Organizations in Faisalabad and Multan utilize this product for its zero-license fee model and advanced security.
The Grandstream UCM6304A delivers a comprehensive suite of voice, instant messaging, and data tools. This product includes a built-in instant messaging (IM) platform and voice conferencing for up to 120 parties. It incorporates three Gigabit auto-sensing RJ45 network ports with integrated PoE+ for high-speed connectivity. The product utilizes a 320×240 color LCD touch screen for quick system monitoring and shortcut key access.
Furthermore, the product ensures crystal-clear audio with Full-Band Opus voice codec and 50% packet loss jitter resilience. You can manage this product remotely via the UCM RemoteConnect cloud service and the GDMS platform. It features an automated NAT firewall to facilitate secure remote connections for workers in Rawalpindi and Peshawar. The product also includes dual USB 3.0 ports and an SD card interface for extensive call recording storage.
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 communication hub for your office. Taxi services and dispatch centers in Sialkot and Gujranwala benefit from its automated call distribution (ACD) features. The product also supports CPhone and third-party CRM integrations via its powerful and open API.
While the Yeastar S100 is a modular alternative, the Grandstream UCM6304A includes built-in instant messaging and Wave app. Consequently, this product offers a more complete out-of-the-box collaboration experience without requiring additional license purchases. The UCM6304A product features superior jitter resilience, maintaining audio quality even during unstable internet conditions in Quetta. Moreover, the product provides more advanced security protocols, including secure boot and unique certificates for every device.
Skyrs provides the most competitive Grandstream UCM6304A price in Pakistan with ready stock for nationwide shipping. This product simplifies IT management by unifying all communication on one centralized and secure network. Our team offers professional installation and configuration for the product in Hyderabad and Sukkur offices.
Does the UCM6304A support video calling? This product is an “Audio Series” model, optimized for voice and IM, but supports SIP video pass-through.
Is there a monthly license fee for this product? No, this product features a lifetime license with no recurring costs for its core PBX features.
How many concurrent calls can the UCM6304A handle? The product supports up to 150 concurrent G.711 calls or 120 concurrent SRTP calls for high-volume environments.
Can I record calls on the UCM6304A? Yes, the product includes a built-in call recording server accessible via the web user interface.
Tags: #GrandstreamUCM6304A #IPPBXPakistan #Skyrs #VoIPPakistan #UCM6304APrice #BusinessCommunication #GrandstreamKarachi #UnifiedCommunications
