Informative Resources
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      Audio Issues with Asterisk and SRTP

      Customers running an Asterisk server may hit an issue when using Bria clients using "rel130" SDK or higher – this would equate to Bria desktop 6.3 or Bria mobile 6.4 clients and above.

      The issue manifests itself as audio not working on SRTP calls with Asterisk due to Asterisk not handling Bria's offer for AEAD_AES_128_GCM or AEAD_AES_256_GCM cipher suite properly.

      The workaround is to ensure Asterisk is using a libsrtp build with GCM support.