2024年4月25日发(作者：)

eSRVCC失败原因值

故障大类故障场景失败描述

4G无线取消资源准备前，MME收到ENODEB的HANDOVER

CANCEL消息携带原因值为failure-in-radio-interface-procedure后，

转发SRVCC PS TO CS CANCEL NOTIFICATION给EMSC，携带原因

为Handover/Relocation cancelled by source system

4G无线取消资源准备后MME收到ENODEB的HANDOVER

CANCEL消息携带原因值为failure-in-radio-interface-procedure后，

转发SRVCC PS TO CS CANCEL NOTIFICATION给EMSC，携带原因

为Handover/Relocation cancelled by source system

4G无线取消资源准备前，ENODEB取消，携带原因为

Unspecified。SV接口转成SRVCC PS TO CS CANCEL

NOTIFICATION

4G无线取消资源准备后，ENODEB取消，携带原因为

Unspecified。SV接口转成SRVCC PS TO CS CANCEL

NOTIFICATION

2/3G无线无资源可用SRVCC PS to CS Response消息中携带

CAUSE为73 No resources available 携带SRVCC CAUSE 为

3Handover /Relocation Failure with Target system

2/3G无线无资源可用SRVCC PS to CS Response消息中携带

CAUSE为73 No resources available 携带SRVCC CAUSE为 7 No

Radio Resources Available in Target Cell

2/3G无线无资源可用SRVCC PS to CS Response消息中携带

CAUSE为73 No resources available 携带SRVCC CAUSE 为

1Handover /Relocation Failure with Target system

2/3G无线目标小区问

题

SRVCC PS to CS Response消息中携带SRVCC CAUSE为 3

Handover /Relocation

Failure with Target system

2/3G无线无资源可用SRVCC PS to CS Response携带SRVCC

CAUSE 为 7 No Radio Resources Available in Target Cell

对应字段

srvcc_ps2cs_failure_cancel_before_times

srvcc_ps2cs_failure_cancel_after_times

srvcc_ps2cs_failure_cancel_before_unspecified_times

srvcc_ps2cs_failure_cancel_after_unspecified_times

srvcc_ps2cs_failure_73_3_times

srvcc_ps2cs_failure_73_7_times

srvcc_ps2cs_failure_73_1_times

srvcc_ps2cs_failure_16_3_times

srvcc_ps2cs_failure_16_7_times