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Grandstream UCM6304 | Unified Communications & Collaboration Platform | 2000 Users & 300 Concurrent Calls | Built-in Meetings, Video & Mobility | Secure Cloud-Managed IP PBX - Image 1

Grandstream UCM6304 | Unified Communications & Collaboration Platform | 2000 Users & 300 Concurrent Calls | Built-in Meetings, Video & Mobility | Secure Cloud-Managed IP PBX

Original price was: ₹156,999.00.Current price is: ₹75,999.00. Inc. tax (₹64,405.93Exc. Tax)

The Grandstream UCM6304 is an all-in-one IP PBX supporting up to 2000 users and 300 concurrent calls. It integrates voice, video conferencing, mobility, and video surveillance into one unified platform with 4 FXS/4 FXO ports, 3x PoE+ ports, and built-in security. Grandstream UCM6304 features include unlimited meeting rooms, Zero-Touch provisioning, the free Wave app, and full API integration for seamless business communications.

Model	UCM6301 UCM6302 UCM6304 UCM6308
Warranty	1 Year

Pick up from the FGTECH Store

To pick up today

0-1 Days

Courier delivery

Our courier will deliver to the specified address

4-7 Days

Porter / WeFast

Currently available only in Mumbai

0-1 Days

To be paid directly to service vendor

Fast Delivery ( By Air )

We will ship from your product By Air to nearest center to speed up the delivery

2-4 Days

Start from Rs250 Extra

SKU: FGINR28Z1SFS Categories: Audio and Video, VOIP Phones and Gateway Brand: Grandstream

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Description

The Grandstream UCM6304 is a powerful, Unified Communications IP PBX engineered to serve as the central nervous system for modern business communications. Grandstream UCM6304 designed for scalability and resilience, it supports up to 2000 users and 300 concurrent calls, making it an ideal solution for growing organizations.

This all-in-one platform consolidates voice, video calling, video conferencing, video surveillance, mobility, and data services into a single, manageable appliance. Grandstream UCM6304 has features 4 FXS and 4 FXO analog ports, each with lifeline capability for continued operation during a power outage, and can be expanded further with external gateways. Its three self-adaptive Gigabit ports with integrated PoE+ provide flexible, high-speed connectivity and can operate in switched, routed, or dual mode with a built-in NAT router for network deployment versatility.

Communication quality is ensured with advanced Voice-over-Packet technology, including 128ms echo cancellation, a dynamic jitter buffer, and Forward Error Correction (FEC 2.0). The Grandstream UCM6304 is exceptionally resilient, maintaining clear audio even with up to 50% packet loss. It supports a wide array of modern and legacy codecs, including Full-Band Opus for superior audio and H.265/H.264 for efficient, high-quality video.

Deployment and management are streamlined through Zero-Configuration auto-provisioning for Grandstream endpoints and cloud-based oversight via the Grandstream Device Management System (GDMS). For workforce mobility, the free Wave app delivers full PBX functionality to users on Windows, macOS, iOS, Android, and web browsers.

Security is foundational, with features like secure boot, unique certificates, TLS/SRTP encryption for media, and automated firewall traversal for secure remote connections. Grandstream UCM6304 has full API unlocks deep integration with third-party platforms like CRM and PMS, allowing businesses to create customized, efficient workflows. Grandstream UCM6304 comes with its rack-mountable design, comprehensive call center features (including ACD and call queues), and support for multi-language IVRs, the Grandstream UCM6304 provides a future-proof, enterprise-grade communications foundation.

Short Key Features

Capacity: Supports 2000 users & 300 concurrent calls.
Built-in Conferencing: Unlimited rooms, 200 participants, 9 video feeds per room.
Connectivity: 4 FXS + 4 FXO ports, 3x Gigabit PoE+ ports, Dual-mode NAT Router.
Mobility: Free Wave app for desktop & mobile.
Security: Secure Boot, TLS/SRTP, Automated Firewall Traversal.
Management: Zero-touch provisioning, GDMS cloud, Full API for integration.
Voice/Video Quality: Supports Opus & H.265, jitter resilience up to 50% packet loss.

About Grandstream

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Product Details

Category	Specification
Model	Grandstream UCM6304 IP PBX
Analog FXS Ports	4 RJ11 ports, lifeline capability during power outage; expandable via external FXS gateway
PSTN FXO Ports	4 RJ11 ports, lifeline capability during power outage; expandable via external FXO gateway
Network Interfaces	3 × self-adaptive Gigabit ports (switched, routed or dual mode) with PoE+
NAT Router	Yes (supports router mode and switch mode)
Peripheral Ports	2 × USB 3.0, 1 × SD card slot
LED Indicators	Power, FXS, FXO, LAN, WAN, Heartbeat
LCD Display	128 × 32 dot-matrix graphic LCD with DOWN and OK buttons
Reset Switch	Yes; long press = factory reset, short press = reboot
Voice-over-Packet	LEC with NLP, 128 ms tail-length echo cancellation, dynamic jitter buffer, modem detection & auto-switch to G.711, NetEQ, FEC 2.0, jitter resilience up to 50% audio packet loss
Voice & Fax Codecs	Opus, G.711 A-law/U-law, G.722, G.722.1, G.722.1C, G.723.1 5.3K/6.3K, G.726-32, G.729A/B, iLBC, GSM; T.38
Video Codecs	H.265, H.264, H.263, H.263+, VP8
QoS	Layer 2 QoS (802.1Q, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
API	Full API for third-party platform and application integration
Telephony OS	Based on Asterisk version 16
DTMF Methods	In-band audio, RFC2833, SIP INFO
Provisioning & PnP	Mass provisioning via AES-encrypted XML, ZeroConfig auto-discovery & auto-provisioning, DHCP Option 66, multicast SIP SUBSCRIBE, mDNS, eventlist between local and remote trunk
Network Protocols	SIP, TCP/UDP/IP, RTP/RTCP, IAX, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, HDLC, HDLC-ETH, PPP, Frame Relay (pending), IPv6, OpenVPN
Disconnect Methods	Busy/Congestion/Howl tone, polarity reversal, hook flash timing, loop current disconnect
Media Encryption	SRTP, TLS, HTTPS, SSH, 802.1X, ZRTP
Power	External supply: 100–240 VAC, 50/60 Hz; Output: DC 12 V, 2 A via 2 × DC 12 V jacks
Dimensions	485 mm (L) × 187.2 mm (W) × 46.2 mm (H)
Weight	Unit: 2490 g; Package: 3260 g
Operating Conditions	0–45 ºC, 10–90% RH (non-condensing)
Storage Conditions	-10–60 ºC, 10–90% RH (non-condensing)
Mounting	Rack mount & desktop
Web UI Languages	English, Simplified Chinese, Traditional Chinese, Spanish, French, Portuguese, German, Russian, Italian, Polish, Czech, Turkish (plus custom language pack)
IVR/Prompt Languages	English, Chinese, British English, German, Spanish, Greek, French, Italian, Dutch, Polish, Portuguese, Russian, Swedish, Turkish, Hebrew, Arabic, Nederlands; customizable
Caller ID	Bellcore/Telcordia, ETSI-FSK, ETSI-DTMF, SIN 227 – BT, NTT
Polarity Reversal/Wink	Supported, with enable/disable on call setup/termination
Call Center Features	Multiple call queues, ACD based on skills/availability/workload, in-queue announcements
Auto Attendant	Up to 5 IVR layers, multi-language
Max Users	2000 users
Max Concurrent Calls	300 concurrent G.711 calls
Max SRTP Calls	200 concurrent G.711 SRTP calls
Conference Capacity	Unlimited rooms; up to 200 participants in all rooms combined; up to 9 video feeds per room (series spec)
Wave App	Free; Windows, macOS, Web (Firefox/Chrome), Android & iOS; supports UCM-hosted meetings and SIP calling
Call Features	Call park/forward/transfer/waiting, caller ID, call recording, history, IVR, music on hold, routes, DID/DOD, DND, DISA, ring groups, simultaneous ring, time schedules, PIN groups, queues, pickup groups, paging/intercom, voicemail, wakeup, SCA, BLF, voicemail-to-email, fax-to-email, speed dial, callback, dial-by-name, emergency call, follow-me, blacklist/whitelist, voice/video conference, eventlist, feature codes, busy camp-on/call completion, voice control, post-meeting reports, virtual fax, email-to-fax
Firmware Upgrade	Supported via Grandstream Device Management System (GDMS) cloud platform
IP/SIP Standards	SIP and related RFCs (3261, 3262, 3263, 3264, 3515, 3311, 4028, 2976, 3842, 3892, 3428, 4733, 4566, 2617, 3856, 3711, 4582, 4583, 5245, 5389, 5766, 6347, 6455, 8860, 4734, 3665, 3323, 3550, 6189)
Compliance	FCC Part 15 Class B & Part 68; CE (EN 55032, EN 55035, EN 61000-3-2, EN 61000-3-3, EN 62368-1, ETSI ES 203 021, ITU-T K.21); IC (ICES-003, CS-03); RCM (AS/NZS CISPR 32, AS/NZS 62368.1, AS/CA S002, AS/CA S003.1/.2); power adapter UL/EN 62368-1