User Service Information Table
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User Service Information (Octet 1)
 | H | G | F | E | D | C | B | A |
---|---|---|---|---|---|---|---|---|
User transfer capability | Â | Â | Â | Â | Â | Â | Â | Â |
Speech | Â | Â | Â | 0 | 0 | 0 | 0 | 0 |
Unrestricted digital information | Â | Â | Â | 0 | 1 | 0 | 0 | 0 |
Restricted digital information | Â | Â | Â | 0 | 1 | 0 | 0 | 1 |
3.1 kHz audio | Â | Â | Â | 1 | 0 | 0 | 0 | 0 |
7 kHz audio | Â | Â | Â | 1 | 0 | 0 | 0 | 1 |
Coding Standard | Â | Â | Â | Â | Â | Â | Â | Â |
ITU standardized coding | Â | 0 | 0 | Â | Â | Â | Â | Â |
National standard | Â | 1 | 0 | Â | Â | Â | Â | Â |
Extension Bit | Â | Â | Â | Â | Â | Â | Â | Â |
Octet continues through the next octet | 0 | Â | Â | Â | Â | Â | Â | Â |
Last Octet | 1 | Â | Â | Â | Â | Â | Â | Â |
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 User Service Information (Octet 2)
 | H | G | F | E | D | C | B | A |
---|---|---|---|---|---|---|---|---|
Information Transfer Rate | Â | Â | Â | Â | Â | Â | Â | Â |
Code for packet mode calls | Â | Â | Â | 0 | 0 | 0 | 0 | 0 |
64 Kbps | Â | Â | Â | 1 | 0 | 0 | 0 | 0 |
384 Kbps | Â | Â | Â | 1 | 0 | 0 | 1 | 1 |
1472 kbps (national ansi only) | Â | Â | Â | 1 | 0 | 1 | 0 | 0 |
1536 Kbps | Â | Â | Â | 1 | 0 | 1 | 0 | 1 |
1920 Kbps | Â | Â | Â | 1 | 0 | 1 | 1 | 1 |
Multirate (64 Kbps based) | Â | Â | Â | 1 | 1 | 0 | 0 | 0 |
Transfer Mode | Â | Â | Â | Â | Â | Â | Â | Â |
Circuit Mode | Â | 0 | 0 | Â | Â | Â | Â | Â |
Packet Mode | Â | 1 | 0 | Â | Â | Â | Â | Â |
Extension bit | Â | Â | Â | Â | Â | Â | Â | Â |
Octet continues through the next octet | 0 | Â | Â | Â | Â | Â | Â | Â |
Last Octet | 1 | Â | Â | Â | Â | Â | Â | Â |
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User Service Information (Octet 2a)
 | H | G | F | E | D | C | B | A |
---|---|---|---|---|---|---|---|---|
Establishment | Â | Â | Â | Â | Â | Â | Â | Â |
Demand | Â | Â | Â | Â | Â | Â | 0 | 0 |
Configuration | Â | Â | Â | Â | Â | Â | Â | Â |
Point to Point | Â | Â | Â | Â | 0 | 0 | Â | Â |
Structure | Â | Â | Â | Â | Â | Â | Â | Â |
Default | Â | 0 | 0 | 0 | Â | Â | Â | Â |
8kHz integrity | Â | 0 | 0 | 1 | Â | Â | Â | Â |
Service data unit integrity | Â | 1 | 0 | 0 | Â | Â | Â | Â |
Unstructured | Â | 1 | 1 | 1 | Â | Â | Â | Â |
Extension Bit | Â | Â | Â | Â | Â | Â | Â | Â |
Octet continues through the next octet | 0 | Â | Â | Â | Â | Â | Â | Â |
Last Octet | 1 | Â | Â | Â | Â | Â | Â | Â |
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User Service Information (Octet 2b)
 | H | G | F | E | D | C | B | A |
---|---|---|---|---|---|---|---|---|
Information Transfer Rate | Â | Â | Â | Â | Â | Â | Â | Â |
Code for packet mode calls | Â | Â | Â | 0 | 0 | 0 | 0 | 0 |
64 Kbps | Â | Â | Â | 1 | 0 | 0 | 0 | 0 |
384 Kbps | Â | Â | Â | 1 | 0 | 0 | 1 | 1 |
1472 Kbps | Â | Â | Â | 1 | 0 | 1 | 0 | 0 |
1536 Kbps | Â | Â | Â | 1 | 0 | 1 | 0 | 1 |
1920 Kbps | Â | Â | Â | 1 | 0 | 1 | 1 | 1 |
Multi-rate (64 Kbps based) | Â | Â | Â | 1 | 1 | 0 | 0 | 0 |
Symmetry | Â | Â | Â | Â | Â | Â | Â | Â |
Bi-directional symmetry | Â | 0 | 0 | Â | Â | Â | Â | Â |
Extension bit | Â | Â | Â | Â | Â | Â | Â | Â |
Octet continues through the next octet | 0 | Â | Â | Â | Â | Â | Â | Â |
Last Octet | 1 | Â | Â | Â | Â | Â | Â | Â |
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User Service Information (Octet 2.1) present if octet 2 indicates multi-rate 64 kbps
 | H | G | F | E | D | C | B | A |
---|---|---|---|---|---|---|---|---|
Rate Multiplier | Â | Â | Â | Â | Â | Â | Â | Â |
Reserved (0) | Â | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1 to 30 | Â | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
to | ||||||||
31 to 127 | Â | 0 | 0 | 1 | 1 | 1 | 1 | 0 |
 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | |
to | ||||||||
 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Extension Bit | Â | Â | Â | Â | Â | Â | Â | Â |
Octet continues through the next octet | 0 | Â | Â | Â | Â | Â | Â | Â |
Last Octet | 1 | Â | Â | Â | Â | Â | Â | Â |
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User Service Information (Octet 3)
 | H | G | F | E | D | C | B | A |
---|---|---|---|---|---|---|---|---|
User Information layer 1 protocol | Â | Â | Â | Â | Â | Â | Â | Â |
ITU standardized rate adaption V.110/X.30 | Â | Â | Â | 0 | 0 | 0 | 0 | 1 |
Recommendation G.711 u-law speech | Â | Â | Â | 0 | 0 | 0 | 1 | 0 |
Recommendation G.722 AND g.725 7 kHz audio | Â | Â | Â | 0 | 0 | 1 | 0 | 1 |
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User Service Information (Octet 5)Â
 | H | G | F | E | D | C | B | A |
---|---|---|---|---|---|---|---|---|
User Information (layer 3 protocol) | Â | Â | Â | Â | Â | Â | Â | Â |
ANSI T1.607 | Â | Â | Â | 0 | 0 | 0 | 1 | 0 |
Recommendation x.25 packet layer | Â | Â | Â | 0 | 0 | 1 | 1 | 0 |
Layer 3 identifier | Â | 1 | 1 | Â | Â | Â | Â | Â |
Extension Bit | Â | Â | Â | Â | Â | Â | Â | Â |
Octet continues through the next octet | 0 | Â | Â | Â | Â | Â | Â | Â |
Last Octet | 1 | Â | Â | Â | Â | Â | Â | Â |
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