LS SSP SCP TS TS LS
| 8 | | | | |
|-------→| | | | |
| A1 | | | | |
|←-------| | | | |
| 0 | | | | |
|-------→| | | | |
| A1 | | | | |
|←-------| | | | |
| 0 | | | | |
|-------→| | | | |
| A1 | | | | |
|←-------| | | | |
| K | | | | |
|-------→| | | | |
| A1 | | | | |
|←-------| | | | |
| N1 | | | | |
|-------→| | | | |
| A6 | | | | |
|←-------| | | | |
| KA | | | | |
|-------→| | | | |
| A1 | | | | |
|←-------| | | | |
| P′ | | | | |
|-------→| | | | |
| A1 | | | | |
|←-------| | | | |
| ∶ | | | | |
| D′ | | | | |
|-------→| | | | |
| A1 | | | | |
|←-------| | | | |
| 15 | | | | |
|-------→| | | | |
| A1 | | | | |
|←-------| | | | |
| N2 | | | | |
|-------→| | | | |
| ∶ | | | | |
| D | | | | |
|-------→| | | | |
| A3 | | | | |
|←-------| | | | |
| KD | | | | |
|-------→| | | | |
| KB | | | | |
|←-------| | | | |
| |Initial DP | | | |
| |----------------------→| | | |
| | ∶ | | | |
| |Connect | | | |
| |←----------------------| | | |
| | 0 | | |
| |----------------→| | |
| | A1 | | |
| |←----------------| | |
| | X1 | | |
| |----------------→| | |
| | A1 | | |
| |←----------------| | |
| | X2 | | |
| |----------------→| | |
| | A1 | | |
| |←----------------| | |
| | P | | |
| |----------------→| | |
| | A6 | | |
| |←----------------| | |
| | KA | | |
| |----------------→| | |
| | A1 | | |
| |←----------------| | |
| | 8 | | |
| |----------------→| | |
| | A1 | | |
| |←----------------| | |
| | 0 | | |
| |----------------→| | |
| | A1 | | |
| |←----------------| | |
| | ∶ | | |
| | 0 | | |
| |----------------→| | |
| | A1 | | |
| |←----------------| | |
| | 15 | | |
| |----------------→| | |
| | A1 | | |
| |←----------------| | |
| | Q | | |
| |----------------→| | |
| | A1 | | |
| |←----------------| | |
| | ∶ | | |
| | D | | |
| |----------------→| | |
| | A1 | | |
| |←----------------| P | |
| | |-------→| |
| | | A1 | |
| | |←-------| |
| | | Q | |
| | |-------→| P |
| | | A1 |--------→|
| | |←-------| A1 |
| | | ∶ |←--------|
| | | D | Q |
| | |-------→|--------→|
| | | | A1 |
| | | |←--------|
| | | | ∶ |
| | | | D |
| | | |--------→|
| | A3′ | A3′ | A3 |
| |←----------------|←-------|←--------|
| | KD | KD | KD |
| |----------------→|-------→|--------→|
| | KB | KB | KB(=1) |
| |←----------------|←-------|←--------|
| 应答 | 应答 | 应答 | 应答 |
|←-------|←----------------|←-------|←--------|
| 拆线 | 拆线 | 拆线 | 拆线 |
|-------→|----------------→|-------→|--------→|
| 释放监护 | 释放监护 | 释放监护 | 释放监护 |
|←-------|←----------------|←-------|←--------|
| |Apply Charging Raport | | |
| |----------------------→| | | |
图31 固定用户呼叫800用户(SSP设在汇接局)SSP向本城市
的TS发送主叫号码为8000000(与本地号码相同位长)