Please send a sandbox extension request to devnet-broadsoft-support@external.cisco.com 

Hello Simon, Please find the following update: TLS/SRTP: Devnet BWKS platform doesn't support TLS/SRTP as of now.IM&P: you have to assign the user device profile(under User profile-->Address) to Business Communicator-PC.SIP O/B Proxy: Devnet BWKS pla...

Hello: I will check the reported queries and keep you posted.

Hello: Calling to/from outside network(PSTN/mobile) calls are not supported as of now.

Testing Handbook is available @ https://pubhub.devnetcloud.com/media/broadsoft-docs/docs/pdf/BW-InteropTestingHandbook.pdf