2N VoiceBlue Enterprise - User Manual - Manual (Page 81)

Communication Line Setting 6-9
•
No route code - code which gateway returns back to
gatekeeper/gateway in case of no route for call (no GSM
module/SIP line/H.323 line/SIP phone) is ready. This is used
mainly for overflow/emergency routing.
•
Description – any text that describes the meaning of a line.