FID Specification

UTIL

INTEREXCHANGE PACKET INTERFACE (X.75) UTILITY

INDICATES:

The interface negotiated between packet switching networks.

DATE:

4/16/1992

BILLING:

CRIS and CABS

APPLICATIONS:

Access Service

SECTION - POSITION	EXAMPLES
S&E - FL
	I1 @@V/UTIL CLID M M I I; TPUT O O O O; W O O O O; DL O O O O; TARF C C C C; TRAN C O O O; CUG O O I I; RC M I O I; CUGO O O O O Siemens EDX Packet Switch I1 @@V/UTIL CLID, TPUT, TARF, RC

FID RULES/CONSTRAINTS:

Each Utility Name (Element 1) must be coded with Elements 2 through 5 except when served by EDX or Bolt, Berenek, and Newman packet switches.
T, F, and X order types prohibited for Access Service application.

REFERENCES:

Refer to TR-NPL-000065 (Interexchange Packet Interface) and TR-TSY-000461 (X.75 Interface to BOC/IDC Networks) for additional information.

SECTION - POSITION	APPEARANCE	MODE	MIN	MAX
S&E - FL	Required	Alphabetic	1	13

Element: 1

Utility Name

Appearance	Mode	Min	Max	Series	Range
Required	Alphabetic	1	5	Yes	No

Code Set:

Code	Meaning
CLID	Call Identification
CLAMN	Called Line Address Modified Notifier
CNIC	Clearing Network Identification Code
CUG	Closed User Group
CUGO	Closed User Group with Outgoing Access
DL	Data Length/Packet Size
FS	Fast Select
MARK	Utility Marker
RC	Reverse Charge
RPOA	Recognized Private Operating Agency
TARF	Tariff
TDI	Transit Delay Indication
TDS	Transit Delay Selection
TPUT	Throughput
TRAN	Transit
W	Window

Element: 2

Utility Marker - Call Request From Switch

Appearance	Mode	Min	Max	Series	Range
Optional	Alphabetic	1	1	No	No

Code Set:

Code	Meaning
M	Mandatory
O	Optional
I	Ignore
C	Clear

Element Rules:

Element is not required with Siemens EDX and Bolt, Berenek, and Newman packet switches.

Element: 3

Utility Marker - Call Request To Packet Switch

Appearance	Mode	Min	Max	Series	Range
Optional	Alphabetic	1	1	No	No

Code Set:

Code	Meaning
M	Mandatory
O	Optional
I	Ignore
C	Clear

Element Rules:

Element is not required with Siemens EDX and Bolt, Berenek, and Newman packet switches.

Element: 4

Utility Marker - Call Connect From Packet Switch

Appearance	Mode	Min	Max	Series	Range
Optional	Alphabetic	1	1	No	No

Code Set:

Code	Meaning
M	Mandatory
O	Optional
I	Ignore
C	Clear

Element Rules:

Element is not required with Siemens EDX and Bolt, Berenek, and Newman packet switches.

Element: 5

Utility Marker - Call Connect To Packet Switch

Appearance	Mode	Min	Max	Series	Range
Optional	Alphabetic	1	1	No	No

Code Set:

Code	Meaning
M	Mandatory
O	Optional
I	Ignore
C	Clear

Element Rules:

Element is not required with Siemens EDX and Bolt, Berenek, and Newman packet switches.

No.	Element Combination	Series	Separator
1.	1	9	, SP
2.	1 SP 2 SP 3 SP 4 SP 5	9	; SP

ORDER TYPE/ACTION CODE/FID RELATIONSHIPS

Order Section - Position: S&E - FL

Order Type	N	T	F	D	C	R	X	P	A
Presence	O	O	O	O	O	O	O	P	P
Action Codes	I,E	I,E	O,D	O,D	I,O, C,T, D,E, R	I,O, C,T, D,E, R	C,T, R	-	-

	CRIS	CABS
Data Retention	Yes	Yes
Printed on CSR	Yes	Yes

Note: Please refer to BR-751-000-150 for a complete description of a FID specification and its structure.

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