回复 王二麻子 的帖子
参考的是TS29.060 关于GTP协议的规范。这里给出V10.1.0的7.3.1章节关于Create PDP Context Request消息的描述,摘录如下:
Table 5: Information Elements in a Create PDP Context Request Information element | Presence requirement | Reference | IMSI | Conditional | 7.7.2 | Routeing Area Identity (RAI) | Optional | 7.7.3 | Recovery | Optional | 7.7.11 | Selection mode | Conditional | 7.7.12 | Tunnel Endpoint Identifier Data I | Mandatory | 7.7.13 | Tunnel Endpoint Identifier Control Plane | Conditional | 7.7.14 | NSAPI | Mandatory | 7.7.17 | Linked NSAPI | Conditional | 7.7.17 | Charging Characteristics | Conditional | 7.7.23 | Trace Reference | Optional | 7.7.24 | Trace Type | Optional | 7.7.25 | End User Address | Conditional | 7.7.27 | Access Point Name | Conditional | 7.7.30 | Protocol Configuration Options | Optional | 7.7.31 | SGSN Address for signalling | Mandatory | GSN Address 7.7.32 | SGSN Address for user traffic | Mandatory | GSN Address 7.7.32 | MSISDN | Conditional | 7.7.33 | Quality of Service Profile | Mandatory | 7.7.34 | TFT | Conditional | 7.7.36 | Trigger Id | Optional | 7.7.41 | OMC Identity | Optional | 7.7.42 | Common Flags | Optional | 7.7.48 | APN Restriction | Optional | 7.7.49 | RAT Type | Optional | 7.7.50 | User Location Information | Optional | 7.7.51 | MS Time Zone | Optional | 7.7.52 | IMEI(SV) | Conditional | 7.7.53 | CAMEL Charging Information Container | Optional | 7.7.54 | Additional Trace Info | Optional | 7.7.62 | Correlation-ID | Optional | 7.7.82 | Evolved Allocation/Retention Priority I | Optional | 7.7.91 | Extended Common Flags | Optional | 7.7.93 | User CSG Information | Optional | 7.7.94 | APN-AMBR | Optional | 7.7.98 | Signalling Priority Indication | Optional | 7.7.103 | Private Extension | Optional | 7.7.46 |
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