Following URLs need to be whitelisted in the firewall :
speechexec.com
*.speechexec.com
speechlive.com
*.speechlive.com
*.blob.core.windows.net
livebroker.speechexec.com
stspeechidb2cuiweu.blob.core.windows.net
speechid.b2clogin.com
Furthermore if a GeoIP Filtering service is used, the following countries need to be unblocked:
Netherlands
Ireland
The following URLs need to be whitelisted in the firewall and in the SSL inspection rules:
api2.speechlive.com
US region
sl-stt-realtime-unit-ingestor-as-prod-use.azurewebsites.net
sl-stt-realtime-unit-signalr-prod-use.service.signalr.net
sl-stt-realtime-unit-transcriber-as-prod-use.azurewebsites.net
sl-stt-realtime-sr-api-as-prod-use.azurewebsites.net
Australia
sl-stt-realtime-unit-ingestor-as-prod-ause.azurewebsites.net
sl-stt-realtime-unit-signalr-prod-ause.service.signalr.net
sl-stt-realtime-unit-transcriber-as-prod-ause.azurewebsites.net
sl-stt-realtime-sr-api-as-prod-ause.azurewebsites.net
EU region
sl-stt-realtime-unit-ingestor-as-prod-euw.azurewebsites.net
sl-stt-realtime-unit-signalr-prod-euw.service.signalr.net
sl-stt-realtime-unit-transcriber-as-prod-euw.azurewebsites.net
sl-stt-realtime-sr-api-as-prod-euw.azurewebsites.net
Canada region
sl-stt-realtime-unit-ingestor-as-prod-cae.azurewebsites.net
sl-stt-realtime-unit-signalr-prod-cae.service.signalr.net
sl-stt-realtime-unit-transcriber-as-prod-cae.azurewebsites.net
sl-stt-realtime-sr-api-as-prod-cae.azurewebsites.net