[Merge] lp:~piiramar/telephony-service/tone-generation into lp:telephony-service

[Tiago Salem Herrmann]

Review: Approve

Did you perform an exploratory manual test run of the code change and any related functionality on device or emulator?
Yes

Did CI run pass? If not, please explain why.
CI did not run at all. will test in the silo.

Have you checked that submitter has accurately filled out the submitter checklist and has taken no shortcut? 
Yes
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https://code.launchpad.net/~piiramar/telephony-service/tone-generation/+merge/228983
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