has the internal number 410. Both a Dortmund number '+49 231 4777-410' and an English number '+44 34501-12' have been assigned to this user. This means that he can be contacted via a Dortmund number and an English number.

Other internal callers dialing from anywhere in the company can contact him at any time via his internal number (410).

If the user calls a number in England from Dortmund, his call can be forwarded via the gateway (trunk) in England and, therefore, his number in England (+44 34501-12) indicated to the caller.