Enterprise call capacity
Support up to 300 G.711 calls within a correctly designed environment.
Grandstream UCM6304 2000-User Unified Communications IP PBX
RRP $1,999.00
37% OFF
Not sure what you need?
Read our complete guide.
Not sure what you need?
Read our complete guide.
RRP $1,999.00
37% OFF
Grandstream • SKU UCM6304
A high-capacity on-premise UC platform for up to 2,000 users and 300 concurrent calls, with four FXO, four FXS and integrated meetings.
The Grandstream UCM6304 scales to 2,000 registered users, 300 concurrent G.711 calls and 200 concurrent SRTP calls. Four FXO and four FXS ports with lifeline support handle local analog requirements, while three Gigabit PoE+ interfaces, two USB 3.0 ports, SD storage and a 128 × 32 LCD support enterprise deployment. The appliance combines Wave, voice/video meetings, APIs, GDMS and optional UCM RemoteConnect without per-user PBX licensing.
Quick answer: Choose the UCM6304 for a large voice/video collaboration deployment that needs 2,000-user capacity and four PSTN plus four analog-device interfaces. Professional sizing and resilient implementation are strongly recommended.
Support up to 300 G.711 calls within a correctly designed environment.
Connect four PSTN trunks and four compatible analog devices directly.
Combine calling, video meetings, Wave and remote-access options.
A quick fit check for Australian businesses comparing equipment for users, rooms, sites or wider projects.
| Exact model | Grandstream UCM6304 |
|---|---|
| Users | Up to 2,000 |
| Concurrent calls | Up to 300 G.711 / 200 SRTP |
| Analog ports | 4 × FXO and 4 × FXS with lifeline |
| Network | 3 × Gigabit with integrated PoE+ |
| Meetings | Built-in voice/video collaboration |
| Licensing | No per-user PBX licence fees |
It supports up to 2,000 registered users.
Grandstream specifies up to 300 G.711 calls or 200 SRTP calls.
It includes four FXO PSTN ports and four FXS analog-device ports with lifeline capability.
Yes. It is part of the full UCM6300 series and includes supported voice/video meeting functions.
Compatibility should not be assumed. Confirm the exact Grandstream model, firmware, account, network, power and accessory requirements before ordering.
This DigiPhone listing is presented as an Australian version or Australian-market service entitlement with applicable Australian Consumer Law protections.
Yes. Contact DigiPhone with SKU UCM6304, site and user quantities, target platform and required services for compatibility, licensing and project support.
Support a large business communications estate.
Handle substantial simultaneous voice demand.
Connect local PSTN and analog endpoints directly.
Host supported voice and video collaboration.
Enable supported hybrid work scenarios.
Manage endpoints and connect approved business platforms.
Best for: large offices, campuses, hotels and multi-site enterprises requiring up to 2,000 users and integrated analog connectivity.
| DigiPhone SKU | UCM6304 |
|---|---|
| Product type | Unified communications IP PBX |
| Users | Up to 2,000 |
| Concurrent calls | Up to 300 G.711 / 200 SRTP |
| FXO / FXS | 4 × RJ11 / 4 × RJ11 with lifeline |
| Network | 3 × self-adaptive Gigabit ports with integrated PoE+ |
| Peripheral | 2 × USB 3.0 and 1 × SD card slot |
| Display | 128 × 32 dot-matrix LCD |
| Collaboration | Voice/video meetings and Wave apps |
| Management | GDMS; UCM RemoteConnect compatible |
| Security | Secure boot, TLS, SRTP and unique certificates |
| Platform | Asterisk 16-based |
| Manufacturer warranty | Grandstream manufacturer warranty in Australia; duration not supplied |
Compatibility note: Confirm user, call and meeting sizing, analog requirements, SIP trunks, endpoints, storage, security, backup, HA, power resilience and RemoteConnect plan.
| SKU | UCM6304 |
| Barcode # | 694727370320 |
| Brand | GRANDSTREAM |
| Shipping Weight | 1.2000kg |
| type | PBX |
This DigiPhone listing is supplied as an Australian version and is covered by the Grandstream manufacturer warranty in Australia; the duration and service conditions were not stated in the supplied DigiPhone record and should be confirmed for this exact product. Warranty service is subject to the manufacturers terms and proof-of-purchase requirements.
Your rights under this warranty are in addition to rights available under the Australian Consumer Law. Keep your DigiPhone invoice and product serial number for any claim.
Bulk and project support: For fleet deployments, spare units or warranty planning, contact DigiPhone with the SKU and required quantity.
Grandstream • SKU UCM6304
A high-capacity on-premise UC platform for up to 2,000 users and 300 concurrent calls, with four FXO, four FXS and integrated meetings.
The Grandstream UCM6304 scales to 2,000 registered users, 300 concurrent G.711 calls and 200 concurrent SRTP calls. Four FXO and four FXS ports with lifeline support handle local analog requirements, while three Gigabit PoE+ interfaces, two USB 3.0 ports, SD storage and a 128 × 32 LCD support enterprise deployment. The appliance combines Wave, voice/video meetings, APIs, GDMS and optional UCM RemoteConnect without per-user PBX licensing.
Quick answer: Choose the UCM6304 for a large voice/video collaboration deployment that needs 2,000-user capacity and four PSTN plus four analog-device interfaces. Professional sizing and resilient implementation are strongly recommended.
Support up to 300 G.711 calls within a correctly designed environment.
Connect four PSTN trunks and four compatible analog devices directly.
Combine calling, video meetings, Wave and remote-access options.
A quick fit check for Australian businesses comparing equipment for users, rooms, sites or wider projects.
| Exact model | Grandstream UCM6304 |
|---|---|
| Users | Up to 2,000 |
| Concurrent calls | Up to 300 G.711 / 200 SRTP |
| Analog ports | 4 × FXO and 4 × FXS with lifeline |
| Network | 3 × Gigabit with integrated PoE+ |
| Meetings | Built-in voice/video collaboration |
| Licensing | No per-user PBX licence fees |
It supports up to 2,000 registered users.
Grandstream specifies up to 300 G.711 calls or 200 SRTP calls.
It includes four FXO PSTN ports and four FXS analog-device ports with lifeline capability.
Yes. It is part of the full UCM6300 series and includes supported voice/video meeting functions.
Compatibility should not be assumed. Confirm the exact Grandstream model, firmware, account, network, power and accessory requirements before ordering.
This DigiPhone listing is presented as an Australian version or Australian-market service entitlement with applicable Australian Consumer Law protections.
Yes. Contact DigiPhone with SKU UCM6304, site and user quantities, target platform and required services for compatibility, licensing and project support.
This DigiPhone listing is supplied as an Australian version and is covered by the Grandstream manufacturer warranty in Australia; the duration and service conditions were not stated in the supplied DigiPhone record and should be confirmed for this exact product. Warranty service is subject to the manufacturers terms and proof-of-purchase requirements.
Your rights under this warranty are in addition to rights available under the Australian Consumer Law. Keep your DigiPhone invoice and product serial number for any claim.
Bulk and project support: For fleet deployments, spare units or warranty planning, contact DigiPhone with the SKU and required quantity.
Support a large business communications estate.
Handle substantial simultaneous voice demand.
Connect local PSTN and analog endpoints directly.
Host supported voice and video collaboration.
Enable supported hybrid work scenarios.
Manage endpoints and connect approved business platforms.
Best for: large offices, campuses, hotels and multi-site enterprises requiring up to 2,000 users and integrated analog connectivity.
| DigiPhone SKU | UCM6304 |
|---|---|
| Product type | Unified communications IP PBX |
| Users | Up to 2,000 |
| Concurrent calls | Up to 300 G.711 / 200 SRTP |
| FXO / FXS | 4 × RJ11 / 4 × RJ11 with lifeline |
| Network | 3 × self-adaptive Gigabit ports with integrated PoE+ |
| Peripheral | 2 × USB 3.0 and 1 × SD card slot |
| Display | 128 × 32 dot-matrix LCD |
| Collaboration | Voice/video meetings and Wave apps |
| Management | GDMS; UCM RemoteConnect compatible |
| Security | Secure boot, TLS, SRTP and unique certificates |
| Platform | Asterisk 16-based |
| Manufacturer warranty | Grandstream manufacturer warranty in Australia; duration not supplied |
Compatibility note: Confirm user, call and meeting sizing, analog requirements, SIP trunks, endpoints, storage, security, backup, HA, power resilience and RemoteConnect plan.
| SKU | UCM6304 |
| Barcode # | 694727370320 |
| Brand | GRANDSTREAM |
| Shipping Weight | 1.2000kg |
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