Enterprise capacity
Support up to 3,000 users and 450 G.711 calls.
Grandstream UCM6308 3000-User Enterprise Unified Communications IP PBX
Not sure what you need?
Read our complete guide.
Not sure what you need?
Read our complete guide.
Grandstream • SKU UCM6308
A rack-ready enterprise UC platform for up to 3,000 users and 450 calls, with eight FXO, eight FXS, meetings, Wave and GDMS.
The exact UCM6308 is the top UCM6300-series appliance, supporting up to 3,000 users, 450 concurrent G.711 calls and 300 concurrent SRTP calls. It has eight FXO and eight FXS ports with lifeline capabilitynot two of each as stated in the old listing. Three Gigabit PoE+ interfaces, two USB 3.0 ports, SD storage, a 128 × 32 LCD, Wave, large voice/video meetings, GDMS, APIs and optional RemoteConnect support enterprise deployments without per-user PBX licensing.
Quick answer: Choose the UCM6308 for the largest UCM6300 hardware deployment, with 3,000-user capacity and sixteen built-in analog interfaces. Use professional capacity, resilience, security and migration design.
Support up to 3,000 users and 450 G.711 calls.
Connect eight PSTN trunks and eight compatible analog devices.
Combine meetings, Wave, GDMS, APIs and remote-access options.
A quick fit check for Australian businesses comparing equipment for users, rooms, sites or wider projects.
| Exact model | Grandstream UCM6308 |
|---|---|
| Users | Up to 3,000 |
| Concurrent calls | Up to 450 G.711 / 300 SRTP |
| Analog ports | 8 × FXO and 8 × FXS with lifeline |
| Network | 3 × Gigabit with integrated PoE+ |
| Peripheral | 2 × USB 3.0 and SD card |
| Form factor | Rack/wall capable; confirm project mounting |
Grandstream specifies up to 3,000 registered users.
It supports up to 450 G.711 calls or 300 SRTP calls.
The exact UCM6308 has eight FXO and eight FXS ports with lifeline capability; the old listing is incorrect.
Grandstream does not charge per-user or per-feature PBX licences, although trunks, cloud services and third-party integrations may have separate costs.
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 UCM6308, site and user quantities, target platform and required services for compatibility, licensing and project support.
Anchor a large enterprise communications deployment.
Handle heavy simultaneous voice demand.
Provide extensive direct analog connectivity.
Host supported large voice/video collaboration.
Support compatible distributed workforces.
Manage endpoints and integrate approved business systems.
Best for: enterprises, campuses, hotels and multi-site organisations requiring the highest UCM6300-series capacity and extensive analog connectivity.
| DigiPhone SKU | UCM6308 |
|---|---|
| Product type | Enterprise unified communications IP PBX |
| Users | Up to 3,000 |
| Concurrent calls | Up to 450 G.711 / 300 SRTP |
| FXO / FXS | 8 × RJ11 / 8 × 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 | Large 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 3,000-user/450-call sizing, 8 FXO/8 FXS needs, trunks, meetings, storage, security, backup, HA, UPS and RemoteConnect plan.
| SKU | UCM6308 |
| Barcode # | 6947273703211 |
| Brand | GRANDSTREAM |
| Shipping Weight | 3.4600kg |
| 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 UCM6308
A rack-ready enterprise UC platform for up to 3,000 users and 450 calls, with eight FXO, eight FXS, meetings, Wave and GDMS.
The exact UCM6308 is the top UCM6300-series appliance, supporting up to 3,000 users, 450 concurrent G.711 calls and 300 concurrent SRTP calls. It has eight FXO and eight FXS ports with lifeline capabilitynot two of each as stated in the old listing. Three Gigabit PoE+ interfaces, two USB 3.0 ports, SD storage, a 128 × 32 LCD, Wave, large voice/video meetings, GDMS, APIs and optional RemoteConnect support enterprise deployments without per-user PBX licensing.
Quick answer: Choose the UCM6308 for the largest UCM6300 hardware deployment, with 3,000-user capacity and sixteen built-in analog interfaces. Use professional capacity, resilience, security and migration design.
Support up to 3,000 users and 450 G.711 calls.
Connect eight PSTN trunks and eight compatible analog devices.
Combine meetings, Wave, GDMS, APIs and remote-access options.
A quick fit check for Australian businesses comparing equipment for users, rooms, sites or wider projects.
| Exact model | Grandstream UCM6308 |
|---|---|
| Users | Up to 3,000 |
| Concurrent calls | Up to 450 G.711 / 300 SRTP |
| Analog ports | 8 × FXO and 8 × FXS with lifeline |
| Network | 3 × Gigabit with integrated PoE+ |
| Peripheral | 2 × USB 3.0 and SD card |
| Form factor | Rack/wall capable; confirm project mounting |
Grandstream specifies up to 3,000 registered users.
It supports up to 450 G.711 calls or 300 SRTP calls.
The exact UCM6308 has eight FXO and eight FXS ports with lifeline capability; the old listing is incorrect.
Grandstream does not charge per-user or per-feature PBX licences, although trunks, cloud services and third-party integrations may have separate costs.
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 UCM6308, 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.
Anchor a large enterprise communications deployment.
Handle heavy simultaneous voice demand.
Provide extensive direct analog connectivity.
Host supported large voice/video collaboration.
Support compatible distributed workforces.
Manage endpoints and integrate approved business systems.
Best for: enterprises, campuses, hotels and multi-site organisations requiring the highest UCM6300-series capacity and extensive analog connectivity.
| DigiPhone SKU | UCM6308 |
|---|---|
| Product type | Enterprise unified communications IP PBX |
| Users | Up to 3,000 |
| Concurrent calls | Up to 450 G.711 / 300 SRTP |
| FXO / FXS | 8 × RJ11 / 8 × 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 | Large 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 3,000-user/450-call sizing, 8 FXO/8 FXS needs, trunks, meetings, storage, security, backup, HA, UPS and RemoteConnect plan.
| SKU | UCM6308 |
| Barcode # | 6947273703211 |
| Brand | GRANDSTREAM |
| Shipping Weight | 3.4600kg |
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