信令网_gsm主叫信令流程图_被叫信令

ink Signaling Counter 下行信令计数

ERXL Enhanced RX Level 增强型电平

FER Frame. Error Rate 误帧率

HOA Handover Attempt 切换尝试

HOF Handover Failure 切换失败

HOP Frequency Hopping Status 跳频状态

HOS Handover Success 切换成功

L2D Layer 2 Downlink 第二层下行信令

L2U Layer 2 Uplink 第二层上行信令

L3D Layer 3 Downlink 第三层下行信令

L3U Layer 3 Uplink 第三层上行信令

LUA Location Update Attempt 位置更新尝试

LUS Location Update Accepted 位置更新成功

LUF Location Update Failure 位置更新失败

MSP MS Power 手机功率

NLIST Neior List 邻区列表

PCHI Packet Channel Info GPRS信道信息

RLT Radio Link Timeout 无线链路超时

RXL RX Level 电平

RXQ RX Quality 通话质量

SEI Service Information 服务信息

TAD Timing Advance TA值

TBFI TBF Information

§1.2几个主要ID的解释

1 AQDL (Downlink Audio Quality) 2 3.6

Audio Quality Mean: 3.3 MOS值 第二项

2 AQI(Audio Quality Information) 3 -1 1

Sync Status: Synchronized 第三项

1 同步 0 不同步

3 CAD(Call Disconnect) 1 114 16

1 16

Status CC Cause

1 = Normal disconnect

2 = Dropped call. (i.e., network release)

3 = Dropped out of service.

4 = Dropped during handover/handoff/hard handover

5 = Reserved (保留字段),例如:测试设备原因

6 = Transfer timeout during data or fax test call

7 = Protocol error during data or fax test call

8 = Transfer failed during data or fax test call

9 = Modem connection failure.

Dedicated connection already achieved

10= Network busy (GSM) When network has not sent ALERT or CONNECTmessage before it sends DISCONNECT message

11 = Voice quality synchronization lost 1 Unassigned (unallocatednumber)

3 No route to destination

6 Channel unacceptable

8 Operator determined barring

16 Normal clearing

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