Office Intercom Systems
That Keep Uninvited People Out

If your office runs a VoIP or hosted PBX phone system, most SIP video intercoms will integrate directly — the door station registers as a SIP extension and calls your reception line (or any configured extension) when a visitor presses the button. We verify compatibility with your PBX before recommending a specific model. For offices on traditional phone lines or proprietary PBX systems, we use standalone IP intercom platforms with their own app or client software. Either way, calls reach whoever should be answering them.

After-hours access is configured in the intercom platform. You can route calls to a mobile phone, a security desk, or a voicemail message depending on time of day. For offices that authorize specific after-hours visitors (cleaners, equipment maintenance), we configure time-limited access codes they can use at a keypad without requiring anyone to answer a call. All after-hours entries are logged with timestamps.

Yes. Multi-tenant lobby panels are designed exactly for this. The lobby directory lists each suite or business name; visitors select the one they're visiting, and the call routes to that suite's configured answering device. Each tenant manages their own call routing independently. The building owner or manager controls the directory (which names appear and which extensions they call).

We assess the existing system during the site visit. If the building has an access control panel already installed, we can often integrate the intercom with it — sharing door hardware and wiring rather than running parallel systems. If the systems are from different manufacturers, integration complexity varies; we give you a realistic assessment of what's possible versus what requires a replacement. In some cases, replacing an aging access control platform alongside the intercom install makes more sense than trying to integrate two incompatible systems.

For SIP intercoms connected to an on-premises PBX, loss of internet doesn't affect internal call routing — calls route over the local network to desk phones. For cloud-connected systems, an internet outage disrupts smartphone answering but not calls to locally-registered SIP endpoints. We design systems with this in mind — office intercoms typically have a local SIP extension (desk phone at reception) as the primary answering point, with mobile forwarding as a secondary. The system continues functioning through internet outages for the primary use case.