changed "Ringing" to "Ringing from"

darcs-hash:20081119110843-b2873-f2f9e22b3854be11f9f741053217103e9ad49bd3
use the same formatting for logging incoming sessions as for outgoing

darcs-hash:20081119110921-b2873-64faddb8c71729c1004aceec02e7e2e934a11490