diff --git a/docker-compose.yml b/docker-compose.yml
index 6e1b8eb..309bff3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -362,6 +362,7 @@ services:
             - JIBRI_PENDING_TIMEOUT
             - JIGASI_BREWERY_MUC
             - JIGASI_SIP_URI
+            - JIGASI_TRUSTED_DOMAINS
             - JVB_BREWERY_MUC
             - JVB_XMPP_AUTH_DOMAIN
             - JVB_XMPP_INTERNAL_MUC_DOMAIN
diff --git a/jigasi/rootfs/defaults/sip-communicator.properties b/jigasi/rootfs/defaults/sip-communicator.properties
index 0f30c71..ea5bf07 100644
--- a/jigasi/rootfs/defaults/sip-communicator.properties
+++ b/jigasi/rootfs/defaults/sip-communicator.properties
@@ -12,6 +12,8 @@
 {{ $SHUTDOWN_REST_ENABLED := .Env.SHUTDOWN_REST_ENABLED | default "false" | toBool -}}
 {{ $DISABLE_SIP := .Env.JIGASI_DISABLE_SIP | default "false" | toBool -}}
 {{/* assign env from context, preserve during range when . is re-assigned */}}
+{{ $TRUSTED_DOMAIN_LIST := .Env.JIGASI_TRUSTED_DOMAINS | default "" -}}
+{{ $TRUSTED_DOMAINS := splitList "," $TRUSTED_DOMAIN_LIST -}}
 {{ $ENV := .Env -}}
 
 net.java.sip.communicator.impl.protocol.SingleCallInProgressPolicy.enabled=false
@@ -180,3 +182,8 @@ org.jitsi.jigasi.DEFAULT_JVB_ROOM_NAME={{ .Env.JIGASI_SIP_DEFAULT_ROOM }}
 {{ end }}
 
 org.jitsi.jigasi.MUC_SERVICE_ADDRESS={{ $XMPP_MUC_DOMAIN }}
+
+# when checking other participants whether they are jibri/jigasi we can also check the the domain they use for connecting
+{{ if $TRUSTED_DOMAIN_LIST }}
+org.jitsi.jigasi.TRUSTED_DOMAINS=[ {{ range $index, $element := $TRUSTED_DOMAINS }}{{ if gt $index 0 }},{{ end }}"{{ $element }}"{{ end}} ]
+{{ end }}