Shanghai New Rock Technologies Inc. Page62/75
Figure 2-29
Configuration interface of tie trunk
Click “Add” to add the devices.
Table 2-30
Configuration parameter of tie trunk
Name
Description
IP address
Enter the IP address of this OM tie trunk.
Prefix
Extension numbers are required to plan overall when the tie trunk is
used. An extension prefix is the prefix part of an extension number, and
each OM has a unique extension prefix; a number created like this is
unique in the whole network; an extension prefix can not be “0” or used
as an added dial of outbound call or front desk.
Area code
An area code is the regional code of fixed-line telephone network in a
place where OM is located; for example, “021”is the zip code in
Shanghai.
Pilot number
Trunk numbers are external numbers of the OM (such as operator
number)
Figure 2-30
Reference Tie Trunk Diagram
Explanation:
1)
Dial “323” directly if the extension 201 in Shanghai is used to dial the extension 323 in
Shenzhen.
2)
Dial “010-52452345”directly if the extension 201 in Shanghai is used to dial the urban phone
number 010-52452345 in Beijing.