trai_qos_audit_wireless format

Operator NameCircle / Service Area

1.1 Network Availability

BTSs Accumulated downtime

Data Source OMC generated data only.Measurement Period Time Consistent Busy Hour (TCBH)Observation Period

Sl. No. BTS details

Data of period: Month of Audit

Benchmarks: <= 2 % Benchmarks: <= 2 %

Signature of Operator's Representative

Name Designation

TCIL Remarks

Signature of TCIL's Representative

Name Designation

"BTSs accumulated downtime" shall basically measure the downtime of the BTSs,including its transmission links/circuits during the period of a month,but excludes all planned service downtime for any maintenance or software upgradation.For this parameter the downtime of each BTS lasting for more than 1 hr at a time in a day during the period of a month shall be taken for computation.%age Worst affected BTSs due

to downtime

“Percentage of worst affected BTSs due to downtime” the down time of each BTS lasting for more than 1 hour at a time in a day during the period of a month shall be recorded and wherever the accumulated

downtime of a BTS during the period of a month exceeds 24 hours the said BTS shall be taken as worst affected BTS for computation.

Total no. of BTSs in the licensed service area

Sum of downtime of BTSs in a month in hours i.e. total outage time of all BTSs in hours during a month

[(Sum of downtime of BTSs in a month in hrs)/(24*no of days in the month*no of BTSs in the network in the licensed service area)]*100

No. of BTSs having accumulated downtime of >24 hours in a month

(No of BTSs having accumulated downtime of >24hrs in a month/Total no of BTSs in the licensed service area)*100


1.2Data Source OMC generated data only.Measurement Period Time Consistent Busy Hour (TCBH)Observation Period

Sl. No. BSC Details

Data obtained during 3 days live performance Data of period: Month ofAudit No of Calls Attempted No of Established Calls CSSR No of Calls Attempted No of Established Calls CSSR

Benchmarks: > 95% Benchmarks: > 95%


Name Designation

TCIL Remarks


Name Designation

(No of established Calls / No of Attempted Calls)

(No of established Calls / No of Attempted Calls)


1.3 Blocked Call : "Blocked call means call that is not connected because there is no free channel in radio access network of cellular mobile service provider to serve a call attempt"


Sl. No. BSC Details Total nos of BTS

Data obtained during 3 days live performance Data of period: Month of Audit

SDCCH AttemptsSDCCH congestion

TCH Attempts TCH congestion

SDCCH AttemptsSDCCH congestion

TCH Attempts TCH congestion

Benchmarks: < =1% Benchmarks: <= 2% Benchmarks: <= 1% Benchmarks: <= 2%


Name Designation

TCIL Remarks


Name Designation

Equipped Capacity of network in erlang

Total traffic handled in TCBH in erlang No of Attempted

CallsNo of Attempted

Calls

Operator Name

Circle / Service Area

1.4


Sl. No. MSC Details BSC Details


Dropped calls

Call Drop Rate

Dropped calls

Call Drop Rate

Benchmarks : ≤ 2% Benchmarks :≤2%


Name Designation

TCIL Remarks


Name Designation

Call Drop Rate:Call Drop Rate as “The percentage of calls which, once they have been correctly established and therefore have an assigned traffic channel, are interrupted prior to their normal completion by the user, the cause of the early termination being within the operator’s network”

Established calls

Established calls

(The total no of dropped calls*100)/Total no of calls successfully established (where traffic channel is allotted)

(The total no of dropped calls*100)/Total no of calls successfully established (where traffic channel is allotted)


1.5 Worst affected cells having more than 3% TCH drops (Call drop rate)

Data Source OMC generated data only.Measurement Period Cell Bouncing Busy Hour (CBBH)Observation Period

Sl. No. BSC Details BTS Detail Cells Detail


Benchmark ≤5% Benchmark ≤5%


Name Designation

TCIL Remarks


Name Designation

Total No. of cells exceeding 3% TCH drop (call drop) in CBBH

%age of cells having more than 3% TCH drop Total No. of cells

exceeding 3% TCH drop (call

drop)

%age of cells having more than 3% TCH drop

(No of cells having call drop rate >3% during CBBH in a month*100)/Total no of cells in the licensed service area

(No of cells having call drop rate >3% during CBBH in a month*100)/Total no of cells in the licensed service area


1.6

Data Source System generated data only.Measurement Period Time Consistent Busy Hour (TCBH)Observation Period

Sl. No. MSC Details BSC Details


Benchmark > 95 % Benchmark > 95 %


Name Designation

TCIL Remarks


Name Designation

Percentage of connections with good voice quality

Call Established

Connection with good quality voice (w/o frequency hopping) in Nos.

Connection with good quality voice (with frequency hopping) in Nos.

% Connection with good quality voice

Call Established

Connection with good quality voice (w/o frequency hopping) in Nos.

Connection with good quality voice (with frequency hopping) in Nos.


Benchmark Scale : 0 - 4





1.7

Data Source Drive Test

Measurement Duration Live measurement

Observation Period

Sl. No. BSC Details Coverage Area

Data obtained from drive test

Data obtained during 3 days live performance

CSSR HOSRBenchmark Scale : 0 - 4 Benchmark Scale : 0 - 5 Benchmark > 95 %


Name Designation

TCIL Remarks


Name Designation

Service Coverage

Drive Test Route (Name of places

covered)

Connection with good quality voice (w/o frequency hopping)

Connection with good quality voice (with frequency hopping)


Call Attempts

Blocked Calls

Drop Calls

Hand over

successIn Door: >= -75 dBm

In Vehicle: >= - 85 dBm

Out Door: >= - 95 dBm


1.8 POI Congestion

Data Source OMC-SMeasurement Period Time Consistent Busy Hour (TCBH)Observation Period

Sl. No.

Data obtained during 3 days live performance Data of period: Month of Audit VLR Data


Name Designation

Total no of

working POIs

MSC/ GMSC Details

Name of POI (Complete Name) against each MSC (only out going)

Total Nos of Circuits

in that particular

POI ( column C)

Augmenting full

utilised capacity of

the POI

Total Capacity of Circuits in

Erlang

Total Traffic served on

POI in Erlang

Total OG Call

Attempts

Total OG Successful

Calls

Total OG Unsuccessf

ul Calls

Name of the POI on which

overflow happens

OG Traffic Failed on POI

Total Traffic in Erlang as

per POI(column

C)

Total OG Call

Attempts

Total OG Successful

Calls

Total OG Unsuccessf

ul Calls

Name of the POI on which

overflow happens

OG Traffic Failed on POI

Subscribers in VLR at end of the

monthBenchmark Scale : < 0.5 %

Benchmark Scale : < 0.5 %

Operator NameCircle / Service AreaCustomer Care Details

2.1 Response time to the customer for assistance

Data Source Live Test calls to Customer Helpline

Measurement Period Time Consistent Busy Hour (TCBH)

Observation Period

Sl. No. Description

(i)

Post Paid

Pre Paid

(ii)

Post PaidWithin 60 seconds

Pre PaidWithin 60 seconds

Data obtained during 3 dayslive performance

Data of period: month of Audit

Total No of Call Attempts

Total No of Call Completed

% benchmark( >=95%)

Total No of Call Attempts during TCBH

Total No of Call Completed during TCBH

% benchmark( >=95%)

% age of calls answered (electronically) :

% age of calls answered by operator (voice to voice):


3.1 Metering and Billing credibility

Data Source Billing SystemMeasurement Duration 1 MonthObservation Period

Sl. No.

Post Paid Prepaid Pre Paid+Post Paid


Name Designation

TCIL Remarks


Name

Total nos of bill Issued

Total no of disputed

Bills

Billing complaints per 100 bills

Total nos of prepaid

customers

Total no of complaints relating to

charging,credit & Validity

Charging complaints per 1000 customers

Total Pre paid+Post

paid complains

No. of billing complaints (post paid) and charging, credit/ validity complaints (pre paid) resolved in favour of the customer during the month

No. of complaints disposed on account of not considered as valid complaints during the month

period of applying credit/waiver/adjustment to the customers account from the date of resolutions of complaints

Benchmarks < 0.1%

Benchmarks < 0.1%

Benchmarks < = 1 week

Designation


3.2 % of billing complaints resolved within 4 weeks

Data Source Billing SystemMeasurement Period 1 MonthObservation Period

Sl. No.

POST PAID PREPAID

Benchmarks:100% Benchmarks:100%


Name Designation

TCIL Remarks


Name Designation

No of Bills Generated

Nos of Billing Complaints Received

% of billing complaints resolved within 4 weeks

% of billing complaints resolved beyond 4 weeks

Total No of subscriber



% of billing complaints resolved within 4 weeks

% of billing complaints resolved beyond 4 weeks


3.3

Data Source Billing System

Measurement Period 1 Month

Observation Period

Sl. No.

Post+Pre paid


Name Designation

TCIL Remarks


Name Designation

Total nos. of closure of service

Nos. of Termination/

closure of service

within 7 days

Termination/ closure of

service beyond 7

days

Nos of Refund cases

Nos of Refund

within 60 days

Nos of Refund

beyond 60 days

Customer helpline related Report for the quarter ending……………….(Cellular Mobile Telephone Service)

S. No. Call Centre Nodal Officer Appellate Authority

1 2 3 4 5 6

Name of Service Provider……… …………………… Name of Service Area ------------------------------

Total Complaints

for Post paid

( Tech + No Tech)

Total Complaints for Pre paid ( Tech + No

Tech)

Total No. of complaints received by the Nodal Officer(s)

%age of complaints

with reference to total no. of complaints received at

the Call Centre

Total No. of appeals

received by the

Appellate Authority

%age of appeal

received with reference to total no. of complaints received by the Nodal Officeer

trai_qos_audit_wireless format

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