Azure Speech Recognition: How to set Region?

[Peter Steinbach]

When trying to test Azure Speech Recognition, I received the following error
2023-07-29 16:08:58:839484 [INFO]   Received HTTP response [401 Access Denied] in 434 msec for <cognitive.subscription.key> [https://api.cognitive.microsoft.com/sts/v1.0/issueToken]

I compared it with my other Azure Cognitive Speech applications and there the Token was issued to the following URL (I am in Germany here)
https://germanywestcentral.api.cognitive.microsoft.com/sts/v1.0/issuetoken
- different Server
- issuetoken instead of issueToken

The URL used by UniMRCP is hardcoded in plugin/umsazuresr.so
I tried to point api.cognitive.microsoft.com via DNS to the same IP as api.cognitive.microsoft.com but then I receive
2023-07-29 16:29:34:604265 [INFO]   Received HTTP response [404 Not Found] in 139 msec for <cognitive.subscription.key> [https://api.cognitive.microsoft.com/sts/v1.0/issueToken]

Anybody has an Idea how to configure the URLs or how to set the region?

I went through all the seetings in the config file and documentation but could not find any hints there.

[Arsen Chaloyan]

Both auth and service endpoints can explicitly be specified in /opt/unimrcp/data/cognitive.subscription.key

https://docs.unispeech.io/en/ums/ms-azure/speech-recog/install-rpm#h-52-installation-of-credentials

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Arsen Chaloyan
Author of UniMRCP
http://www.unimrcp.org