Number to dial out of the switch and access either the public network or a private network to place a long distance call
Typical long distance prefixes:
1 in North America
0 in Germany
The format of the full dialing prefix depends on whether you use a private network or a public network to place long distance calls. The long distance prefix is combined with the local prefix to generate a full dialing prefix for the public network (for example 91 or 81).