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(普通问题)
假设用户甲始终在小区A的覆盖区内，T3212A=20，甲开机后10分钟接听了1个3分钟的电话
假设用户甲始终在小区A的覆盖区内，T3212A=20，甲开机后10分钟接听了1个3分钟的电话，此后再没有进行呼叫，那么甲的手机将在（）分钟后进行第一次周期性位置登记。
A.7
B.107
C.113
D.120
真确答案是？
A.7
B.107
C.113
D.120
真确答案是？
提问者:
• GSM：小区每次重选时其T3212也跟着变的吧？ 2011-07-23
• GSM中的T3212：在“无小区可用”、“有限的业务”、“搜索PLMN”时T3212不变----祥见问题描述 2011-06-10
• GSM中周期性位置更新定时器T3212是小区级参数吧？ 2011-06-10
• T3212定时器，MS在从一个小区到另一小区后，这个时间是怎样变化的？ 2011-03-13
• 小区参数T3212说明 2011-03-08
• 爱立信的设备！为什么某个小区T3212设置比其他小区的统一参数大就会出问题，需要详细的理论解释谢谢！ 2010-04-14
• 小区参数T3212是什么意思 2009-11-09
• GSM中的T3212：在“无小区可用”、“有限的业务”、“搜索PLMN”时T3212不变----祥见问题描述 2011-06-10
• GSM中周期性位置更新定时器T3212是小区级参数吧？ 2011-06-10
• T3212定时器，MS在从一个小区到另一小区后，这个时间是怎样变化的？ 2011-03-13
• 小区参数T3212说明 2011-03-08
• 爱立信的设备！为什么某个小区T3212设置比其他小区的统一参数大就会出问题，需要详细的理论解释谢谢！ 2010-04-14
• 小区参数T3212是什么意思 2009-11-09
问题答案
( 1 )
根据协议规定，T3212会在以下情况置0，所以应该从头开始计时：20*6=120minThe timer is stopped (shall be set to its initial value for the next start) when:
- a LOCATION UPDATING ACCEPT or LOCATION UPDATING REJECT message is received;
- an AUTHENTICATION REJECT message is received;
- the first MM message is received, or security mode setting is completed in the case of MM connection establishment, except when the most recent service state is LIMITED SERVICE;
- the mobile station has responded to paging and thereafter has received the first correct layer 3 message except RR message;
- the mobile station is deactivated (i.e. equipment powered down or SIM/USIM removed).
- a LOCATION UPDATING ACCEPT or LOCATION UPDATING REJECT message is received;
- an AUTHENTICATION REJECT message is received;
- the first MM message is received, or security mode setting is completed in the case of MM connection establishment, except when the most recent service state is LIMITED SERVICE;
- the mobile station has responded to paging and thereafter has received the first correct layer 3 message except RR message;
- the mobile station is deactivated (i.e. equipment powered down or SIM/USIM removed).
回答者：
wwwmscbsccom
回答时间：2013-06-24 20:12
33
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