To see anonymous call rejection in action:

1

Start two UEs:

  • Register sip:6505550335@example.com

6505550335-registered-zoiper

  • Register sip:6505550425@example.com

6505550425-registered

2

In REM, navigate to Sentinel / HSS Subscriber data.

3

Search for sip:6505550425@example.com.

4

Edit the HSS Data and set:

  • ICB Active: true

6505550425 set acr

5

Wait 30 seconds.

6

Make a call from sip:6505550335@example.com to sip:6505550425@example.com.

The incoming call is rejected.

6505550425-acr

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