中国联通gsm网话务统计参数说明书

中国联通GSM网话务统计参数说明（试用版） 诺基亚建议书中国联通移动通信业务部诺基亚(中国)投资有限公司二 一 年 十 一 月 声 明本文件中诺基亚提供的内容以斜体字列明，其版权属于诺基亚或其许可者拥有。本文件的接受方应对该等内容保密，未经诺基亚事先书面同意，不得复制、修改、传播、以其它方式处理或向第三方披露该等内容。该等内容是依据本文件提供日之前的信息作出的，诺基亚保留对其作出修改和补充的权利。目录1GSM数字移动通信系统性能报表一122GSM数字移动通信系统性能报表二 (相关计数器流程图，请参见附录)122.1信令信道可用率（G2.1）122.2信令信道拥塞率（G2.2）122.3信令信道掉话率（G2.3）132.4信令信道每线话务量（G2.4）132.5话音信道可用率（G2.5）132.6话音信道拥塞率（含切换）（G2.6）132.7话音信道掉话率(不含切换)（G2.7）142.8话音信道掉话率(含切换)（G2.8）142.9话音信道每线话务量（G2.9）142.10切换成功率（G2.10）142.11最忙小区拥塞率（G2.11）152.12最坏小区掉话率(G2.12)152.13话音信道负荷比(G2.13)152.14最坏小区的比例（G2.14）152.15超忙小区的比例（G2.15）162.16超闲小区的比例（G2.16）162.17溢出小区比例(G2.17)162.18随机接入成功率（G2.18）162.19双频切换成功率(G2.19)172.20 无线系统接通率(G2.20)172.21话务掉话比172.22无线平均每用户话务量173GSM数字移动通信系统性能报表三183.1忙时SDCCH可用总数(G3.1)183.2忙时SDCCH试呼总次数(G3.2)183.3忙时SDCCH溢出总次数（G3.3）193.4忙时SDCCH掉话总次数（G3.4）203.5忙时SDCCH总话务量（G3.5）223.6忙时TCH信道可用总数（G3.6）233.7忙时话音信道试呼总次数（不含切换）（G3.7）243.8忙时话音信道溢出总次数（不含切换）（G3.8）243.9忙时话音信道试呼总次数（含切换）（G3.9）263.10忙时话音信道溢出总次数（含切换）（G3.10）263.11忙时话音信道占用总次数（含切换）（G3.11）273.12忙时话音信道占用总次数（不含切换）（G3.12）293.13忙时话音信道掉话总次数（G3.13）293.14忙时话音信道总话务量（G3.14）303.15忙时切换请求总次数（G3.15）313.16忙时切换成功总次数（G3.16）343.17忙时双频切换请求总次数（G3.17）353.18忙时双频切换成功总次数（G3.18）363.19随机接入成功次数(G3.19)363.20 随机接入试呼次数(G3.20)373.21 超忙小区数量(G3.21)383.22 超闲小区数量(G3.22)383.23 最坏小区数量(G3.23)393.24 溢出小区数量(G3.24)394GSM数字移动通信系统性能报表4404.1忙时用户开机率（G4.1）404.2忙时交换机主处理器负荷（G4.2）404.3忙时交换机BHCA值（G4.3）404.4交换机BHCA负荷比（G4.4）414.5忙时位置更新成功率（G4.5）414.6忙时HLR查询成功率（G4.6）414.7忙时平均每次呼叫的通话时长（G4.7）414.8忙时交换平均每用户话务量（G4.8）414.9忙时MSC完成总话务量（G4.9）424.10忙时系统话音接通率（G4.10）424.11忙时交换系统接通率（G4.11）424.12忙时系统寻呼成功率(G4.12)424.13漫游来访用户比例424.14MSC内切换成功率（4.14）434.15MSC间切换成功率（4.15）434.16忙时MSC完成转接总话务量（G4.16）435GSM数字移动通信系统性能报表五445.1VLR中登记用户数（G5.1）445.2忙时VLR开机用户数（G5.2）445.3位置更新总次数（G5.3）445.4忙时位置更新成功总次数（G5.4）455.5忙时向HLR查询总次数（G5.5）455.6忙时向HLR查询成功总次数（G5.6）465.7忙时交换机试呼总次数（G5.7）465.8忙时语音应答总次数（G5.8）465.9忙时系统寻呼总次数（G5.9）475.10忙时系统寻呼成功总次数（G5.10）475.11忙时系统试呼总次数（G5.11）475.12忙时交换系统接通总次数（G5.12）485.13交换机内BSC间切换请求总次数(5.13)485.14交换机内BSC间切换成功总次数(5.14)495.15交换机间切换请求总次数(5.14)495.16交换机间切换成功总次数(5.15)496GSM数字移动通信系统性能报表六506.1忙时本GSM交换机到本GSM交换机接通率（6.1）506.2忙时本GSM交换机到本GSM交换机的呼叫比例（6.2）506.3忙时非本GSM交换机到本GSM交换机接通总次数(6.3)506.4忙时非本GSM交换机到本GSM交换机呼叫比例(6.4)506.5忙时本GSM交换机到联通本地其他交换机接通率(6.5)506.6忙时本GSM交换机到联通本地其他交换机的呼叫比例(6.6)516.7忙时本GSM交换机到联通外地接通率(6.7)516.8忙时本GSM交换机到联通外地的呼叫比例(6.8)516.9忙时GSM交换机到联通193长途呼通率（G6.9）516.10忙时GSM交换机到联通193长途的呼叫比例(G6.10)516.11忙时GSM交换机到联通IP网呼通率(G6.12)516.12忙时GSM交换机到联通IP网的呼叫比例(G6.13)526.13忙时GSM交换机到联通CDMA呼通率（G6.13）526.14忙时GSM交换机到联通CDMA的呼叫比例(6.14)526.15忙时GSM交换机到固定用户接通率(G6.15)526.16忙时GSM交换机到固定用户的呼叫比例(G6.16)526.17忙时本交换机到中国移动接通率（G6.17）526.18忙时本交换机到中国移动的呼叫比例(G6.18)536.19忙时本交换机到其它方向接通率(G6.19)536.20忙时本交换机到其它方向呼叫比例(G6.20)537GSM数字移动通信系统性能报表七547.1忙时本GSM交换机呼叫本GSM交换机试呼总次数(G7.1)547.2忙时本GSM交换机呼叫本GSM交换机接通总次数（G7.2）547.3忙时非本GSM交换机呼叫本GSM交换机试呼总次数(G7.3)547.4忙时非本GSM交换机到本GSM交换机接通总次数(G7.4)557.5忙时本GSM交换机到联通本地其他交换机试呼总次数(G7.5)557.6忙时本GSM交换机到联通本地其他交换机接通总次数(G7.6)557.7忙时本GSM交换机到联通外地试呼总次数(G7.7)567.8忙时本GSM交换机到联通外地接通总次数(G7.8)567.9忙时GSM交换机到联通193长途试呼总次数（G7.9）567.10忙时GSM交换机到联通193长途呼通总次数（G7.10）567.11忙时GSM交换机到联通IP网试呼总次数（G4.9）577.12忙时GSM交换机到联通IP网呼通总次数（G6.12）577.13忙时GSM交换机到联通CDMA网试呼总次数（G4.9）577.14忙时GSM交换机到联通CDMA呼通总次数（G7.14）577.15忙时GSM交换机到本地固定用户试呼总次数（G7.15）587.16忙时GSM交换机到固定用户接通总次数（G7.16）587.17忙时本交换机到中国移动试呼总次数（G7.17）587.18忙时本交换机到中国移动接通总次数（G7.18）587.19忙时本交换机到其它方向试呼总次数（G7.19）597.20忙时本交换机到其它方向呼通总次数（G7.20）597.21本交换机试呼总次数597.22本交换机试呼总次数598GSM数字移动通信系统性能报表八608.1电路总数（G8.1）608.2忙时闭塞电路总数（G8.2）608.3忙时电路可用率（8.3）608.4话务量(8.4)618.5每线话务量(G8.5)618.6忙时来话占用总次数（G8.6）618.7忙时来话应答总次数（G8.7）618.8忙时来话接通率（G8.8）628.9来话拥塞次数(G8.9)628.10入中继来话拥塞率(8.10)628.11来话话务分布比例（G8.11）628.12中继总数（G8.12）628.13忙时闭塞中继总数（G8.13）638.14忙时中继可用率（G8.14）638.15话务量(G8.15)638.16每线话务量(G8.16)638.17忙时去话占用总次数（G8.17）638.18忙时去话应答总次数（G8.18）648.19忙时去话接通率（G8.19）648.20出中继拥塞次数(G8.20)648.21出中继拥塞率(G8.21)648.22去话话务分布比例（G8.22）658.23来去话合计每线话务量（G8.23）658.24来去话总话务量(G8.24)658.25总的话务分布比例(G8.25)659GSM数字移动通信系统性能报表九669.1链路总数（G9.1）669.2忙时闭塞链路总数（G9.2）669.3忙时链路可用率（G9.3）669.4每个信令入链路负荷(G9.4)669.5每个信令出链路负荷话务量(G9.5)669.6出入信令的总负荷67附录A: BSS counter signaling chart68附录B: NSS counter signaling chart78附录C: NSS traffic measurement introduction821 GSM数字移动通信系统性能报表一本表是网络资源调查表，请各公司按实际情况填写。其中G1.12、G1.13、G1、17至G1、20可以通过指令获取。G1.12: ZMII;G1.13: ZMVFG1.17 基站数量:人机命令：ZEEI;G1.20 SDCCH 配置数：人机命令：ZEEL;2 GSM数字移动通信系统性能报表二 (相关计数器流程图，请参见附录)2.1 信令信道可用率（G2.1）公式表示：系统可供分配的信令信道总数/系统配置信令信道总数100%采集对象：无线子系统公式说明：G3.1/G1.20*100%2.2 信令信道拥塞率（G2.2）公式表示：忙时信令信道溢出总次数/忙时信令信道试呼总次数100%采集对象：无线子系统公式说明：G3.3/G3.2*100%2.3 信令信道掉话率（G2.3）公式表示：忙时信令信道掉话总次数/忙时信令信道试呼总次数100%采集对象：无线子系统公式说明：G3.4/G3.2*100%2.4 信令信道每线话务量（G2.4）公式表示：忙时信令信道总话务量/忙时信令可用信道总数采集对象：无线子系统公式说明：G3.5/G3.1 2.5 话音信道可用率（G2.5）公式说明：系统可供分配的话音信道总数/系统配置话音信道总数100%采集对象：无线子系统公式表示： G3.6/G1,19*100%2.6 话音信道拥塞率（含切换）（G2.6）公式说明：忙时话音信道溢出总次数（含切换）/忙时话音信道试呼总次数（含切换）100%采集对象：无线子系统公式表示： G3.10/G3.9*100%2.7 话音信道掉话率(不含切换)（G2.7）公式说明：忙时话音信道掉话总次数/忙时话音信道占用总次数（不含切换）100%采集对象：无线子系统公式表示：G3.13/G3.12*100%2.8 话音信道掉话率(含切换)（G2.8）公式说明：忙时话音信道掉话总次数/忙时话音信道占用总次数（含切换）100%采集对象：无线子系统公式表示：G3.13/G3.11*100%2.9 话音信道每线话务量（G2.9）公式说明：忙时信道总话务量/忙时话音可用信道总数采集对象：无线子系统公式表示：G3.14/G3.62.10 切换成功率（G2.10）公式表示：忙时小区切换成功总次数/忙时切换请求总次数100%采集对象: 无线子系统公式说明：G3.16/G3.15*100%2.11 最忙小区拥塞率（G2.11）公式说明：每信道话务量超过0.6erl的小区的溢出总次数/这些小区的总占用次数采集对象：无线子系统2.12 最坏小区掉话率(G2.12)公式说明：（每信道话务量小于0.6erl的小区+每信道话务量超过0.1erl的小区）的掉话总次数/这些小区TCH占用次数*100%采集对象：无线子系统2.13 话音信道负荷比(G2.13)公式说明：所有小区实际话务量/所有小区的信道总数*0.6erl*100%采集对象：无线子系统公式说明：G3.14/G1.19*0.6*100%2.14 最最坏小区的比例（G2.14）公式说明：（每信道话务量小于0.7erl6erl的小区+每信道话务量超过0.1erl的小区）的掉话率超过3%小区总数/所有小区总数*100%采集对象：无线子系统公式说明：G3.23/G1.18*100%2.15 超忙小区的比例（G2.15）公式说明：每信道话务量超过0.67erl的小区总数/所有小区总数*100%采集对象：无线子系统公式说明：G3.21/G1.18*100%2.16 超闲小区的比例（G2.16）公式说明：每信道话务量小于0.1erl的小区总数/所有小区总数*100%采集对象：无线子系统公式说明：G3.22/G1.18*100%2.17 溢出小区比例(G2.17)公式说明：SDCCH拥塞率2%或TCH拥塞率5%的小区之和/所有小区总数*100%采集对象：无线子系统公式说明：G3.24/G1.18*100%2.18 随机接入成功率（G2.18）公式说明：随机接入成功次数/随机接入试呼次数*100%采集对象：无线子系统公式说明：G3.20/G3.19*1002.19 双频切换成功率(G2.19)公式说明：双频切换成功次数/双频切换试呼次数*100%采集对象：无线子系统公式表示：G3.18/G3.17*1002.20 无线系统接通率(G2.20)公式说明：（1-TCH拥塞率）*（1-SDCCH拥塞率）采集对象：无线子系统公式表示：1-G2.2*1-G2.62.21 .话务掉话比公式说明：忙时平均每两次掉话的时间间隔(分钟)。公式表示：G3.14 *60/G3.132.22 无线平均每用户话务量公式说明：本地区所有TCH忙时完成总话务量/本地区忙时所有VLR中用户总数。公式表示：G3.145*/G5.1GSM数字移动通信系统性能报表三采集对象：无线子系统忙时SDCCH可用总数(G3.1)定义：本地区无线子系统忙时平均可用SDCCH总数。公式表示:Sum(/)解释： AVE AVAILABLE SDCCH SUB CHANNELTRIGGER POINT(S): EXPLANATION: Average number of the SDCCHs available. This figure is received by dividing the value of this counter by the value of the next counter. UPDATED: -When a TRX is deblocked -When a TRX is blocked -When an SDCCH TSL is deblocked -When an SDCCH TSL is blocked The counter is sampled every 20 seconds. RES AVAIL DENOMINATOR 3TRIGGER POINT(S): EXPLANATION: Denominator of the average number of SDCCH subchannels available (always 0). UPDATED:3.1 忙时SDCCH试呼总次数(G3.2)详细说明：本地区忙时所有呼叫建立、位置更新，短消息等各种情况下对SDCCH的占用请求总次数之和。公式表示: 解释： SEIZURE ATTEMPTSTRIGGER POINT(S): See figures 2, 5, 6, 18, 42, 46, 48 and 57. EXPLANATION: Number of the times when an MS attempts to seize an SDCCH. UPDATED: When the RRM receives requests for SDCCH from an MS as the MS needs a channel for either a call or a HO.3.2 忙时SDCCH溢出总次数（G3.3）详细说明：本地区忙时所有对SDCCH试占中指派不出SDCCH信道的总次数。公式表示: 解释： SEIZURE ATTEMPTS WITH BUSY SDCCHTRIGGER POINT(S): See figures 5, 6 and 18. EXPLANATION: Number of the times when an MS attempts to seize an SDCCH unsuccessfully because all SDCCHs are busy. UPDATED: When the RRM has no SDCCHs to allocate for a call or HO attempts.3.3 忙时SDCCH掉话总次数（G3.4）详细说明：本地区忙时各种原因引起的SDCCH掉话的总次数。公式表示：+解释： TRANSACTIONS FAIL DUE TO RADIO FAILTRIGGER POINT(S): See figures 14 and 21. EXPLANATION: Number of the SDCCH transactions ended due to a radio failure. UPDATED: When an SDCCH transaction ends due to a radio failure (radio link timeout) and the RRM releases the SDCCH. Also if MS user clears the call during the SDCCH phase, this counter will be updated. TRANSACTIONS FAIL DUE RADIO ON SOURCE CHANNEL DURING HOTRIGGER POINT(S): See figure 47. EXPLANATION: Number of the SDCCH transactions ended due to a radio failure on the source channel during HO between SDCCH-SDCCH or SDCCH-TCH. UPDATED: When an SDCCH transaction ends due to a radio failure (HO failure) on the source channel during HO attempt and the RRM releases the SDCCH.SDCCH ABIS FAIL SOURCETRIGGER POINT(S): EXPLANATION: Number of the SDCCH transactions ended due to a failure in the Abis interface on the source channel during SDCCH-SDCCH or SDCCH-TCH HO. UPDATED: When an SDCCH transaction ends due to a failure in the Abis interface on the source channel during an HO and the RRM releases the SDCCH. SDCCH A IF FAIL CALLTRIGGER POINT(S): See figure 22. EXPLANATION: Number of the SDCCH transactions ended due to a failure in the A interface during call attempt. UPDATED: When an SDCCH transaction ends due to signalling problems in the A interface during a call attempt and the RRM releases the SDCCH. SDCCH A IF FAIL SOURCETRIGGER POINT(S): See figure 50. EXPLANATION: Number of the SDCCH transactions ended due to a failure in the A interface failure on the source channel during an SDCCH-SDCCH or SDCCH-TCH HO. UPDATED: When an SDCCH transaction ends due to signalling problems in the A interface during an SDCCH-SDCCH or SDCCH-TCH HO and the RRM releases the SDCCH. SDCCH LAPD FAILTRIGGER POINT(S): See figure 24. EXPLANATION: Number of the SDCCH transactions ended due to an LAPD failure. (The TRX blocked is in one of these substates: signalling link fault or PCM fault.) UPDATED: When an SDCCH transaction ends due to a TRX blocked by an LAPD failure and the RRM releases the SDCCH. SDCCH BTS FAILTRIGGER POINT(S): See figure 24. EXPLANATION: Number of the SDCCH transactions ended due to a BTS failure. (The TRX blocked is in one of these substates: FU fault, CU fault, BTS reset, BCF reset, both CU and FU fault, BCF fault.) UPDATED: When an SDCCH transaction ends due to a TRX blocked by a BTS failure and the RRM releases the SDCCH. SDCCH USER ACTTRIGGER POINT(S): See figure 24. EXPLANATION: Number of the SDCCH transactions ended due to user actions. (The TRX/TSL is in substate blocked by the user.) UPDATED: When the user disconnects a busy SDCCH by blocking the TSL/TRX with an MML command. The transaction ends and the SDCCH is released.SDCCH BCSU RESETTRIGGER POINT(S): EXPLANATION: Number of the SDCCH transactions ended due to a BCSU restart. UPDATED: When an SDCCH transaction ends due to a TRX blocked by a BCSU restart and the RRM releases the SDCCH.SDCCH NETW ACTTRIGGER POINT(S): See figure 24. EXPLANATION: Number of the SDCCH transactions ended due to reconfiguration of the radio network. (The TRX blocked is in substate blocked by the system.) UPDATED: When an SDCCH transaction ends due to a TRX blocked by a failure which leads to TRX reconfiguration. The failure may occur both during call and HO attempts.3.4 忙时SDCCH总话务量（G3.5）定义：本地区忙时所有SDCCH的总话务量之和。公式表示： Sum(/)解释： AVE BUSY SDCCH SUB CHANNELTRIGGER POINT(S): EXPLANATION: Average number of the busy SDCCHs. This figure is received by dividing the value of this counter by the value of the next counter. UPDATED: When an SDCCH is seized or released. The counter is sampled every 20 seconds. RES AVAIL DENOMINATOR 15TRIGGER POINT(S): EXPLANATION: Denominator of the average number of the busy SDCCH subchannels (always 0). UPDATED:3.5 忙时TCH信道可用总数（G3.6）定义：填报周期内，本地区无线子系统忙时平均可供正常指派的TCH数量的总和。公式表示: Sum(/)解释： AVE AVAILABLE FULL RATE TCHTRIGGER POINT(S): EXPLANATION: Average number of the FR radio TCHs available. This figure is received by dividing the value of this counter by the value of the next counter. UPDATED: - When a TRX is deblocked - When a TRX is blocked - When a TCH TSL is deblocked - When a TCH TSL is blocked The counter is sampled every 20 seconds. RES AVAIL DENOMINATOR 2TRIGGER POINT(S): EXPLANATION: Denominator of the average number of FR radio TCHs available (always 0). UPDATED:3.6 忙时话音信道试呼总次数（不含切换）（G3.7）详细说明：本地区忙时所有占用SDCCH后对TCH的试呼总次数。试呼包括主叫和被叫试图建立通话的情况，包括指配TCH信道用作SDCCH的情况，不包括各种切换情况。采集对象：无线子系统公式表示: +解释： TCH CALL REQTRIGGER POINT(S): See figures 2, 3, 8, 9, 10, 11, 26, 34, 51, 52, 54 and 55. EXPLANATION: Number of the TCH requests for a normal assignment (both successful and unsuccessful). UPDATED: When the RRM receives a TCH request in a call attempt. TCH REQ FACCH CALL SETTRIGGER POINT(S): See figures 5 and 6. EXPLANATION: Number of the TCH requests for FACCH call setup during SDCCH congestion (both successful and unsuccessful). UPDATED: When the RRM receives a request for an SDCCH but there are no SDCCHs idle and a TCH is tried to be allocated as part of the FACCH call setup. It is indicated in the received SDCCH request whether FACCH setup is allowed or not.3.7 忙时话音信道溢出总次数（不含切换）（G3.8）详细说明：本地区忙时所有占用SDCCH后对TCH的呼叫溢出总次数。溢出包括主叫和被叫建立SDCCH后试图建立TCH失败的情况，包括指配TCH信道用作SDCCH失败的情况，不包括各种切换情况。公式表示: +(-)解释： QUE ALL ASSIGN REQ FAILTRIGGER POINT(S): See figures 10 and 26. EXPLANATION: Number of the rejected call attempt requests with queuing allowed. UPDATED: When the RRM rejects a TCH request for a call attempt which is allowed to queue. QUE NALL ASSIGN REQ FAILTRIGGER POINT(S): See figures 8, 11 and 26. EXPLANATION: Number of the rejected call attempt requests with queuing not allowed. UPDATED: When the RRM rejects a TCH request for a call attempt which is not allowed to queue. TCH REQ FACCH CALL SETTRIGGER POINT(S): See figures 5 and 6. EXPLANATION: Number of the TCH requests for FACCH call setup during SDCCH congestion (both successful and unsuccessful). UPDATED: When the RRM receives a request for an SDCCH but there are no SDCCHs idle and a TCH is tried to be allocated as part of the FACCH call setup. It is indicated in the received SDCCH request whether FACCH setup is allowed or not. TCH SEIZ FACCH CALL SETTRIGGER POINT(S): See figure 5. EXPLANATION: Number of the successful seizures of TCH in FACCH call setup. UPDATED: When the RRM allocates a TCH as a response to an SDCCH request as part of the FACCH call setup due to no SDCCHs being idle.3.8 忙时话音信道试呼总次数（含切换）（G3.9）详细说明：本地区忙时所有占用SDCCH后对TCH的试呼总次数。试呼包括主叫和被叫试图建立通话的情况，包括指配TCH信道用作SDCCH的情况，包括各种切换情况。公式表示: 解释： TCH REQUEST SUCCESS AND UNSUCCESSTRIGGER POINT(S): See figures 2, 3, 5, 6, 8, 9, 10, 11, 26, 27, 28, 32, 33, 34, 35, 37, 51, 52, 53, 54, 55 and 56. EXPLANATION: Total number of the requests for a TCH (successful and unsuccessful). UPDATED: When the RRM receives a request for a TCH either in a call or an HO attempt.3.9 忙时话音信道溢出总次数（含切换）（G3.10）详细说明：本地区忙时所有占用SDCCH后对TCH的呼叫溢出总次数。溢出包括主叫和被叫建立SDCCH后试图建立TCH失败的情况，包括指配TCH信道用作SDCCH失败的情况，包括各种切换和直接重试情况。公式表示: 解释： TCH REQUEST REJECTED DUE TO LACKTRIGGER POINT(S): See figures 8, 10, 11, 32, 33, 52, 53 and 55. EXPLANATION: Number of the requests for TCHs rejected due to no radio resources available. This counter is updated also when requests for TCH are rejected due to mismatch between the types of the requested channel and the A interface circuit. UPDATED: When the RRM has no TCHs available for requests for either a call or an HO attempt or the RRM changes the A interface circuit pool before TCH allocation. This counter may be updated immediately after a TCH request or, in case of queuing, when the queuing timer expires. NOTE! This counter is NOT updated in case of successful DR.3.10 忙时话音信道占用总次数（含切换）（G3.11）详细说明：本地区忙时无线子系统所有对话音信道的占用，包含切换的情况。公式表示: +解释：01148 MS SUCC TCH SEIZURE FOR ASSIGNMENT COMPLETETRIGGER POINT(S): See figure 58. EXPLANATION: Number of times when a MS is successfully on the TCH after an ASSIGNMENT_COMPLETE message. UPDATED: When an ASSIGNMENT_COMPLETE message is received from the MS via BTS to TCH. The TCH is reserved and the MS is moved from the SDCCH to the TCH. This counter is updated only when a call is established for the first time, not during handovers. BSC I TCH TCHTRIGGER POINT(S): See figures: 2, 49, 50 and 56. EXPLANATION: Number of the successful incoming TCH to TCH HOs controlled by the BSC. UPDATED: When the HO is completed. BSC I SDCCH TCHTRIGGER POINT(S): See figures: 10 and 55. EXPLANATION: Number of the successful incoming SDCCH to TCH HOs controlled by the BSC. UPDATED: - When a directed retry procedure is completed. - When the direct access to the super-reuse TRX is completed. - When the TCH assignment to the super-reuse TRX is completed. MSC I TCH TCH TRIGGER POINT(S): See figures: 4, 52 and 53. EXPLANATION: Number of t