Grandstream
Grandstream IP PBX for on-premises unified communications.
| Type | IP PBX |
| Short description | Grandstream IP PBX for on-premises unified communications. |
| Users | Up to 3000 / 1500 audio |
| Concurrent calls | Up to 450 / 200 audio |
| Use case | Unified communications for calls, meetings, remote users and collaboration. |
| Main function | On-premises IP PBX for voice, video, meetings and SIP endpoints. |
| Collaboration | Calls, conferencing, messaging and collaboration through Wave/UCM depending on offer. |
| Administration | Management of users, extensions, trunks, call rules and endpoints. |
| Security | Certificates, unique passwords, SIP/TLS/SRTP encryption and access policies depending on solution. |
| Integrations | API and CRM/PMS or third-party integrations depending on solution. |
| Mobility | Remote user access through web/mobile apps and SIP endpoints depending on configuration. |
| Highlights | Scalable UC platform to centralize telephony and collaboration. |
| Ecosystem | Compatible with the Grandstream ecosystem: UCM, GDMS, GWN or SIP endpoints depending on family. |
| Reference source | Official Grandstream page and 2026 product brochure. |
| Brand | Grandstream Networks |
| Commercial status | Product or series listed in Grandstream 2026 commercial sources. |