Linkbit ISDN Trace Example (AT1000 / ATL1307)

********* Replay this ISDN trace sample with Linkbit Simulation Studio **********

17:31:00.708 Tx1 SABME Set async balanced mode ex

00 01 7F

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......0.

C/R

0 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

011.11..

Modifier function bits

SABME Set async balanced mode ex.

...1....

P/F

1 Dec.

......11

Frame type

U-frame.

17:31:00.719 Rx1 SABME Set async balanced mode ex

02 01 7F

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......1.

C/R

1 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

011.11..

Modifier function bits

SABME Set async balanced mode ex.

...1....

P/F

1 Dec.

......11

Frame type

U-frame.

17:31:00.719 Tx1 UA Unnumbered acknowledge

02 01 73

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......1.

C/R

1 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

011.00..

Modifier function bits

UA Unnumbered acknowledge.

...1....

P/F

1 Dec.

......11

Frame type

U-frame.

17:31:00.720 Rx1 UA Unnumbered acknowledge

00 01 73

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......0.

C/R

0 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

011.00..

Modifier function bits

UA Unnumbered acknowledge.

...1....

P/F

1 Dec.

......11

Frame type

U-frame.

17:31:00.734 Rx1 RESTART

02 01 00 01 08 02 00 00 46 79 01 87

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......1.

C/R

1 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

0000000.

N(S)

0 Dec.

.......0

Frame type

I-frame.

0000000.

N(R)

0 Dec.

.......1

P/F

1 Dec.

DSS1

00001000

Protocol discriminator

Recommendation Q.931/I.451 user-network call control messages (8).

Call reference

0000....

spare

....0010

Length of call reference value

0.......

Flag

The message is sent from the side that originates the call reference (0).

6-7

Call reference value

Message type

01000110

Message type

RESTART (70).

Restart indicator

01111001

Information Element Identifier

Restart indicator IEI (121).

00000001

Length indicator

1.......

Extension indicator

1 (last octet).

.0000...

spare

.....111

Class

7 (All interfaces).

17:31:00.735 Tx1 RESTART ACKNOWLEDGE

00 01 00 02 08 02 00 00 4E 79 01 87

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......0.

C/R

0 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

0000000.

N(S)

0 Dec.

.......0

Frame type

I-frame.

0000001.

N(R)

1 Dec.

.......0

P/F

0 Dec.

DSS1

00001000

Protocol discriminator

Recommendation Q.931/I.451 user-network call control messages (8).

Call reference

0000....

spare

....0010

Length of call reference value

0.......

Flag

The message is sent from the side that originates the call reference (0).

6-7

Call reference value

Message type

01001110

Message type

RESTART ACKNOWLEDGE (78).

Restart indicator

01111001

Information Element Identifier

Restart indicator IEI (121).

00000001

Length indicator

1.......

Extension indicator

1 (last octet).

.0000...

spare

.....111

Class

7 (All interfaces).

17:31:00.740 Tx1 RR (receive ready)

02 01 01 03

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......1.

C/R

1 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

0000....

Filler

Must be 0000.

....00..

Supervisory function bits

RR (receive ready).

......01

Frame type

S-frame.

0000001.

N(R)

1 Dec.

.......1

P/F

1 Dec.

17:31:00.751 Rx1 RR (receive ready)

00 01 01 02

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......0.

C/R

0 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

0000....

Filler

Must be 0000.

....00..

Supervisory function bits

RR (receive ready).

......01

Frame type

S-frame.

0000001.

N(R)

1 Dec.

.......0

P/F

0 Dec.

17:31:10.751 Tx1 RR (receive ready)

00 01 01 03

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......0.

C/R

0 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

0000....

Filler

Must be 0000.

....00..

Supervisory function bits

RR (receive ready).

......01

Frame type

S-frame.

0000001.

N(R)

1 Dec.

.......1

P/F

1 Dec.

17:31:10.752 Rx1 RR (receive ready)

02 01 01 03

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......1.

C/R

1 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

0000....

Filler

Must be 0000.

....00..

Supervisory function bits

RR (receive ready).

......01

Frame type

S-frame.

0000001.

N(R)

1 Dec.

.......1

P/F

1 Dec.

17:31:10.752 Tx1 RR (receive ready)

02 01 01 03

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......1.

C/R

1 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

0000....

Filler

Must be 0000.

....00..

Supervisory function bits

RR (receive ready).

......01

Frame type

S-frame.

0000001.

N(R)

1 Dec.

.......1

P/F

1 Dec.

17:31:10.763 Rx1 RR (receive ready)

00 01 01 03

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......0.

C/R

0 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

0000....

Filler

Must be 0000.

....00..

Supervisory function bits

RR (receive ready).

......01

Frame type

S-frame.

0000001.

N(R)

1 Dec.

.......1

P/F

1 Dec.

17:31:16.731 Tx1 TS 05 SETUP (2222205->1111105)

00 01 02 02 08 02 00 32 05 04 03 80 90 A3 18 03 A9 83 85 1E 02 81 88 6C 09 21 80 32 32 32 32 32
30 35 70 08 A1 31 31 31 31 31 30 35 A1

POS	BINARY	NAME	VALUE

LAYER 2

000000..

SAPI

Call control procedure.

......0.

C/R

0 Dec.

.......0

Continuation.

0000000.

TEI

0 Hex.

.......1

Last octet.

0000001.

N(S)

1 Dec.

.......0

Frame type

I-frame.

0000001.

N(R)

1 Dec.

.......0

P/F

0 Dec.

DSS1

00001000

Protocol discriminator

Recommendation Q.931/I.451 user-network call control messages (8).

Call reference

0000....

spare

....0010

Length of call reference value

0.......

Flag

The message is sent from the side that originates the call reference (0).

6-7

Call reference value

50.

Message type

00000101

Message type

SETUP (5).

Bearer capability

9-13

Bearer capability[0]

see below.

00000100

Information Element Identifier

Bearer capability IEI (4).

00000011

Length indicator

1.......

Extension indicator

1 (last octet).

.00.....

Coding standard

0 (ITU-T).

...00000

Information transfer capability

0 (Speech).

1.......

Extension indicator 2

1 (last octet).

.00.....

Transfer mode

0 (Circuit mode).

...10000

Information transfer rate

16 (64 kbps).

10100011

Layer 1 Information

see below.

1.......

Extension indicator

1 (last octet).

.01.....

Layer 1 identifier

...00011

User information layer 1 protocol

3 (A-law).

Channel identification

14-18

Channel identification[0]

see below.

00011000

Information Element Identifier

Channel identification IEI (24).

00000011

Length indicator

1.......

Extension indicator

1 (last octet).

.0......

Interface identifier present

0 (Interface implicitly identified).

..1.....

Interface type

1 (Other interface).

...0....

spare

....1...

Preferred/Exclusive

1 (Exclusive; only the indicated channel is acceptable).

.....0..

D-channel indicator

0 (The channel identified is not the D-channel).

......01

Information channel selection

1 (B1 channel).

1.......

Extension indicator 3

1 (last octet).

.00.....

Coding standard

0 (ITU-T standardized coding).

...0....

Number/Map

0 (Channel is indicated by the number in the following octet).

....0011

Channel type/Map element type

3 (B-channel units).

10000101

Channel number

1 Elements.

10000101

Channel number[0]

see below.

1.......

Extension indicator

1 (last octet).

.00.....

spare

...00101

Timeslot number

Progress indicator

19-22

Progress indicator[0]

see below.

00011110

Information Element Identifier

Progress indicator IEI (30).

00000010

Length indicator

1.......

Extension indicator

1 (last octet).

.00.....

Coding standard

0 (ITU-T standardized coding).

...0....

spare

....0001

Location

1 (Private network serving the local user).

1.......

Extension indicator 2

1 (last octet).

.0001000

Progress description

8 (Information available).

Calling party number

01101100

Information Element Identifier

Calling party number IEI (108).

00001001

Length indicator

0.......