15 May

Configure Aastra Phones for use with 3CX Tunnel

Although Aastra phones are not supported by 3CX, it is still possible to have them register remotely with the 3CX via a tunnel. To do so you will need the Session Border Controller Software (if using 3CX v12) or SIP Proxy Manager (if using 3CX v11 or lower).  Once the tunnel between Session Border Controller or SIP Proxy Manager and the 3CX has been has been established, you will need to configure your Aastra phone to register with the 3CX via the tunnel.

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