1. Please provide more details. What is the BE3K software versio and what is the country pack? Have you configured DID on the user page for the user who is forwarding the call?
2. Please provide information on which country pack is it? Also please collect from Monitoring - Diagnostic page. Enable detailed traces, make call to the number which fails, disable traces, download it and send it over.
3. Reach me anywhere is enabled on Usage Profile page. Then each user can configure it under user User Option page. Global settings for Reach me Anywhere, like timer settings etc. can be configured on Reach Me Anywhere option.
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