A Singapore Government Agency Website

How to identify

Official website links end with .gov.sg

Government agencies communicate via .gov.sg websites (e.g. go.gov.sg/open). Trusted websites

Secure websites use HTTPS

Look for a lock () or https:// as an added precaution. Share sensitive information only on official, secure websites.

Scam alert

Government officers will never ask you to send money or share your details over the phone. When unsure, hang up and call Scamshield at 1799.

Waitlist for API key is now open. Register here for higher rate limits, priority support and maintenance notifications. Rate limits will be rolled out from 1 September 2025 onwards.

Real-time weather API services will be unavailable from 20 July 2025, 12:00 AM to 12:00 PM due to upstream maintenance. Sorry for the inconveniences caused.

Home Datasets

3G Public Cellular Mobile Telephone Services - Average Success Rate Across All Cells

Call Success Rate 2009 - 2011

Social

Call Success Rate 2009 - 2011

Data from Apr 2013 to Dec 2016

Last updated: 06 Jun 2024, 14:30 SGT

IMDA (Info-communications Media Development Authority)

For period 2009 - 2011, frequency of data collected was on a semi-annual basis

Call success rate by Year

Data explorer

CallSuccessRate20092011.csv (9 rows, 230 B)

Year Year (YYYY)	Operators Text	Call Success Rate Numeric (Percentage)
(Null)0.0%	(Null)0.0%	(Null)0.0%
2009	singtel mobile	99.72
2009	m1	99.45
2009	starhub mobile	99.45
2010	singtel mobile	99.36
2010	m1	99.03
2010	starhub mobile	98.75
2011	singtel mobile	99.34
2011	m1	99.12
2011	starhub mobile	99.2

Column legend

Title	Column name	Data type	Unit of measure	Description
Year	year	Year (YYYY)	-	-
Operators	operators	Text	-	-
Call Success Rate	call_success_rate	Numeric (Percentage)	-	-

Analyse this dataset with Colab Notebook

1. Copy this dataset ID: d_3333a6e762fa0388582dffd9c84e6163
2. Click on the button below

Sample OpenAPI query

This code can be used to test a sample API query. It retrieves the data catalogue of this dataset. For a complete guide on query parameters and syntax, please refer to the API documentation. Try it out on your browser to see the response schema.

import requests
          
dataset_id = "d_3333a6e762fa0388582dffd9c84e6163"
url = "https://data.gov.sg/api/action/datastore_search?resource_id="  + dataset_id 
        
response = requests.get(url)
print(response.json())

Citation

This dataset can be reused and cited in research publications.

Info-communications Media Development Authority. (2015). Call Success Rate 2009 - 2011 (2024) [Dataset]. data.gov.sg. Retrieved July 20, 2025 from https://data.gov.sg/datasets/d_3333a6e762fa0388582dffd9c84e6163/view

About this dataset

Contact

info@imda.gov.sg

Created on

15 Sep 2015

Licence

Free forever for personal or commercial use, under the Open Data Licence.

Agency

IMDA (Info-communications Media Development Authority)