RUT956 receiving premium-rate telephone calls


We are using RUT956 to recieve calls of a premium-rate telephone number to execute some tasks tied to calls. The problem is the device does receive calls when using a SIM card for the premium-rate telephone number.

We have tried:

  • the same RUT956 with a regular phone number SIM card: the device can receive calls on this SIM card
  • the premium-rate telephone number SIM card on a smartphone: the smartphone can receive calls on the premium-rate telephone number

4G data works normally on the RUT956 using the premium-rate telephone number SIM card, but it cannot receive phone calls. When we try to call the phone number, the caller gets our regional equivalent message “service not available” message on the call and nothing gets logged on the RUT956 using logread on the command-line, like it does when phone call is recieved.

Is there something we can do?


Thank you for reaching out!
Could you insert the SIM and after the connection is established post a screenshot of the Status → Network → Mobile page?
Additionally, could you check if the same behavior is present when the device is configured in 3G or 2G modes?
I’d also suggest trying to toggle VoLTE on or off to see if that makes a difference.
Let me know how it goes!

Best regards,

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