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ISDN Software Reference for Linux and Windows
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Network Specific Indications (NSI) IE:
Field Description Field Selection Definition
1. IE ID NSI IE ID NSI_IE This IE can be part of any
event including the
CCEV_NSI event.
2. Data NSI IE
Length
2 + Length of Network
Specific Indications (NSI)
string
Number of data bytes for
this IE
3. Data NSI Message
Type
NSI_EEM
NSI_LLM
End-to-end message
Link-to-link message
4. Data NSI String
Length
Length of Network Specific
Indications (NSI) string
Length of next NSI string
5. Data NSI String ASCII string Network Specific
Indications string
NOTE:
NSI IE fields 4 and 5 can be repeated multiple times, as needed.
Extension Status IE:
Field Description Field Selection Definition
1. IE ID Extension
Status IE ID
EXTENSION_STATUS_IE This IE is used in
conjunction with the
Virtual Call IE to
inquire about the
current status of an
extension.