Hi Dave,
Happy New Year.
The answers to your questions are as follows:
Flash Calls currently only originate from +1. This provides the best possible results whilst allowing call origination to abide by all the necessary regulations.
The last X digits are always related to the number visible to the user-agent (for example, mobile phone). It isn’t always related to the actual valid number length, since sometimes additional digits can be appended to the valid number (for additional security).
This looks to be an error in our documentation and will be updated. The voice templates can be set up for you by Support - these templates can then be selected using the API.
Please let us know if you have any additional questions or require clarification for any of these answers.
Thanks and kind regards,
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