Correct four-plus-four ports
Connect four PSTN lines and four compatible analog endpoints directly.
Grandstream UCM6304A 1000-User Audio-Series IP PBX
RRP $1,299.00
45% OFF
Not sure what you need?
Read our complete guide.
Not sure what you need?
Read our complete guide.
RRP $1,299.00
45% OFF
Grandstream • SKU UCM6304A
An audio-focused enterprise IP PBX for up to 1,000 users and 150 calls, with four FXO, four FXS, Wave, GDMS and high-availability support.
The exact UCM6304A provides four FXO and four FXS portsnot the two-plus-two configuration in the old DigiPhone title. It supports up to 1,000 users, 150 concurrent G.711 calls and 120 concurrent SRTP calls. This audio-series appliance adds three Gigabit PoE+ interfaces, two USB 3.0 ports, SD storage, a 128 × 32 LCD, Wave, instant messaging, audio/web meetings, GDMS, high availability and UCM RemoteConnect compatibility, without built-in video conferencing.
Quick answer: Choose the UCM6304A for a 1,000-user audio-first deployment that needs four PSTN trunks and four analog-device ports. Choose the non-A UCM6304 when built-in video meeting capacity is required.
Connect four PSTN lines and four compatible analog endpoints directly.
Run substantial voice, messaging and audio-meeting workloads.
Use GDMS, zero configuration and supported high-availability designs.
A quick fit check for Australian businesses comparing equipment for users, rooms, sites or wider projects.
| Exact model | Grandstream UCM6304A Audio Series |
|---|---|
| Users | Up to 1,000 |
| Concurrent calls | Up to 150 G.711 / 120 SRTP |
| Analog ports | 4 × FXO and 4 × FXS with lifeline |
| Conferencing | Audio/web meetings; no built-in video conferencing |
| Network | 3 × Gigabit with integrated PoE+ |
| Display | 128 × 32 dot-matrix LCD |
The exact UCM6304A has four FXO ports and four FXS ports with lifeline capability; the old title is incorrect.
It supports up to 1,000 users, 150 G.711 calls and 120 SRTP calls.
No. UCM6304A is the Audio Series model with voice, messaging and audio/web meetings.
Yes. Grandstream lists Hot Standby high availability and local dual deployment support for the Audio Series.
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 UCM6304A, site and user quantities, target platform and required services for compatibility, licensing and project support.
Provide eight direct analog interfaces.
Scale voice and messaging without video-conferencing overhead.
Handle substantial G.711 demand within rated limits.
Support approved desktop and mobile users.
Design compatible resilient deployments.
Provision and monitor supported Grandstream endpoints.
Best for: voice-focused enterprises, hotels and service organisations needing up to 1,000 users and eight built-in analog interfaces.
| DigiPhone SKU | UCM6304A |
|---|---|
| Product type | Audio-series IP PBX |
| Users | Up to 1,000 |
| Concurrent calls | Up to 150 G.711 / 120 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 | Wave, IM, audio conferencing and web meetings |
| Video conferencing | Not supported on Audio Series |
| Management | GDMS; UCM RemoteConnect compatible |
| High availability | Hot Standby and local dual deployment support |
| Manufacturer warranty | Grandstream manufacturer warranty in Australia; duration not supplied |
Compatibility note: Confirm the Audio Series requirement, correct 4 FXO/4 FXS ports, call sizing, trunks, storage, security, HA, backup and RemoteConnect plan.
| SKU | UCM6304A |
| Barcode # | 6947273703570 |
| Brand | GRANDSTREAM |
| Shipping Weight | 1.3000kg |
| type | IP PBXS |
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 UCM6304A
An audio-focused enterprise IP PBX for up to 1,000 users and 150 calls, with four FXO, four FXS, Wave, GDMS and high-availability support.
The exact UCM6304A provides four FXO and four FXS portsnot the two-plus-two configuration in the old DigiPhone title. It supports up to 1,000 users, 150 concurrent G.711 calls and 120 concurrent SRTP calls. This audio-series appliance adds three Gigabit PoE+ interfaces, two USB 3.0 ports, SD storage, a 128 × 32 LCD, Wave, instant messaging, audio/web meetings, GDMS, high availability and UCM RemoteConnect compatibility, without built-in video conferencing.
Quick answer: Choose the UCM6304A for a 1,000-user audio-first deployment that needs four PSTN trunks and four analog-device ports. Choose the non-A UCM6304 when built-in video meeting capacity is required.
Connect four PSTN lines and four compatible analog endpoints directly.
Run substantial voice, messaging and audio-meeting workloads.
Use GDMS, zero configuration and supported high-availability designs.
A quick fit check for Australian businesses comparing equipment for users, rooms, sites or wider projects.
| Exact model | Grandstream UCM6304A Audio Series |
|---|---|
| Users | Up to 1,000 |
| Concurrent calls | Up to 150 G.711 / 120 SRTP |
| Analog ports | 4 × FXO and 4 × FXS with lifeline |
| Conferencing | Audio/web meetings; no built-in video conferencing |
| Network | 3 × Gigabit with integrated PoE+ |
| Display | 128 × 32 dot-matrix LCD |
The exact UCM6304A has four FXO ports and four FXS ports with lifeline capability; the old title is incorrect.
It supports up to 1,000 users, 150 G.711 calls and 120 SRTP calls.
No. UCM6304A is the Audio Series model with voice, messaging and audio/web meetings.
Yes. Grandstream lists Hot Standby high availability and local dual deployment support for the Audio Series.
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 UCM6304A, 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.
Provide eight direct analog interfaces.
Scale voice and messaging without video-conferencing overhead.
Handle substantial G.711 demand within rated limits.
Support approved desktop and mobile users.
Design compatible resilient deployments.
Provision and monitor supported Grandstream endpoints.
Best for: voice-focused enterprises, hotels and service organisations needing up to 1,000 users and eight built-in analog interfaces.
| DigiPhone SKU | UCM6304A |
|---|---|
| Product type | Audio-series IP PBX |
| Users | Up to 1,000 |
| Concurrent calls | Up to 150 G.711 / 120 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 | Wave, IM, audio conferencing and web meetings |
| Video conferencing | Not supported on Audio Series |
| Management | GDMS; UCM RemoteConnect compatible |
| High availability | Hot Standby and local dual deployment support |
| Manufacturer warranty | Grandstream manufacturer warranty in Australia; duration not supplied |
Compatibility note: Confirm the Audio Series requirement, correct 4 FXO/4 FXS ports, call sizing, trunks, storage, security, HA, backup and RemoteConnect plan.
| SKU | UCM6304A |
| Barcode # | 6947273703570 |
| Brand | GRANDSTREAM |
| Shipping Weight | 1.3000kg |
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