Port requirements for direct-to-cloud intercoms
2025-11-05Last updated
To enable communication with direct-to-cloud (D2C) intercoms, you must open specific outbound ports for the associated domains.
Axis D2C intercoms
To stream video from Axis D2C intercoms, you must open the ports required for direct-to-cloud cameras. For more information, see Port requirements for direct-to-cloud cameras.
Open the required outbound ports for the listed domains to enable voice and video calls. This allows the intercom to connect to cloud services, be managed remotely, and stream audio and video in both directions.
| Outbound port | Domain name | Port usage |
|---|---|---|
| TCP 5061 | United
States: |
SIP protocol port for call signaling |
Europe: |
||
Canada: |
||
Australia: |
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Asia: |
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| UDP 20000-60000 | global.relay.metered.ca | UDP port range for audio and video |
| UDP 80 | stun.relay.metered.ca | STUN protocol port for resolving public addresses |