Below is information on the BWD and FWD R2 digits when using the Thailand Variant. For information on importing a variant to the IMG refer to the IMG 1010 - Variant Provisioning topic.
Interworking the Called Party Status
Inbound R2 to outbound SS7
BWD R2 Digit | Q.931 Response |
|---|---|
1 | Alerting (Charge) |
2 | Cause Code 17 - User Busy |
3 | Cause Code 4 - Send special information tone |
4 | Cause code 42 - Switching equipment congestion |
5 | Alerting (No Charge) |
6 | Cause Code 1 - Unallocated Number |
Other | Cause Code 31 - Normal Unspecified |
Inbound SS7 to outbound R2
Q.931 Response | BWD R2 Digit |
|---|---|
Alerting (Charge) | 1 |
Cause Code 17 | 2 |
Cause Code 4 | 3 |
Cause Code 3, 34, 42, other | 4 |
Alerting (No Charge) | 5 |
Cause Code 1 | 6 |
Calling Party Category Interworking
Inbound R2 to outbound SS7
BWD R2 Digit | SS7 (Q.931) Calling Party Category |
|---|---|
1 or 8 | 0x02 - Operator (English) |
2 | 0x0A - Ordinary Subscriber (default) |
3 - 5 | 0x0F - PayPhone |
6 or 7 | 0x0D - Test |
9 | 0x0C - Data Call |
Inbound SS7 to outbound R2
SS7 (Q.931) Calling Party Category | BWD R2 Digit |
|---|---|
0x01 - 0x08 Operator | 1 |
0x0A - 0x0B Ordinary Subscriber (default) | 2 |
0x0C - Data Call | 9 |
0x0D - Test | 6 or 7 |
0x0F - PayPhone | 5 |
Additional Information
The Thailand Variant is applicable to E1 R2 CAS Channel Groups only.