1. About us
  2. Support
  • Calling & Voicemail

    Why Can't I Make A Call Whilst Overseas?What to do if you're on a Business plan but unable to make a call whilst overseas.Wi-Fi Calling (VoWi-Fi)Voice Over Wi-Fi (VoWi-Fi)What Is Smart Dialing?Description of the Smart Dialing feature and how it can be activated or deactivated.What Is Smart CLI?Smart CLI definition & how to switch ON or OFF.1GLOBAL Voice ServicesIndex of 1GLOBALĀ“s voice service features & their links.Premium Rate NumbersFAQs about Premium Rate Numbers.How To Use The Callback Method?Definition of the Callback Method and its different dialling patterns.How To Activate Call Waiting?Steps to enable, disable, and check the status of the Call Waiting service feature.How Do I Use Voicemail?General Information about the 1GLOBAL Voicemail service.How Do I Set Up Voicemail?Steps to set up your 1GLOBAL Voicemail and its features.How Do I Set Up Call Forwarding?Definition and steps on how to switch on/off Call Forwarding.How Do I Set Up Apple Visual Voicemail?Frequently Asked Questions on Apple Visual Voicemail and its compatibility with 1GLOBAL.Calling Abroad, Country Codes and International DiallingGuide on how to make a successful call to an International number.Blocked NumbersDetails about blocked numbers & your 1GLOBAL SIM.

    Internet & Data

    High Usage Alert OverviewThis article provides thorough information about HUA.How To Check Data UsageArticle on how to check how much data has been used.How To Connect To 2G/3G (BlackBerry10)Steps on how to connect to 2G or 3G on a Blackberry 10 handset.How To Remove Spam Calls and TextsList of agencies in the 1GLOBAL countries you wish to block spam calls/texts.Setting Up Data On Your HandsetChecklist for when connecting to the Internet via the Data service.What Is a 1GLOBAL Data Cap?Definition of EU Data Cap and Roaming Data Cap.What Is Data Roaming?Steps on how to activate Data Roaming & its importance when traveling with your 1GLOBAL SIM.What is 4G?Definition of 4G data speed.Tethering & Mobile HotspotsDefinition, setting up and troubleshooting for Tethering & Mobile Hotspots.I Have No Data Or Internet ConnectionTroubleshooting steps for Data Connection issues.I Have No 4G DataTroubleshooting guide for when you cannot get a 4G/LTE speed on your handset.I Have No 3G DataTroubleshooting guide for issues connecting to 3G.How To Configure Your APN Settings (Apple iOS)This article covers the steps in updating your iOS device's truphone APN settings.How To Configure Your APN Settings (Android)Steps on how to configure the APN setting on Android handsets.How Fast Is My Internet Connection?Reference to identify the data speed per byte.How Do I Estimate My Data Usage?stimates of possible data usage per internet activity.How Do I Set Up 4G/LTE Setting On My Handset?Steps to set up the 4G/LTE feature in smartphones.Data ExplainedEverything you need to know about data with your 1GLOBAL SIM.How To Download Updates for Sony APN Steps on how to download the internet APN settings for Sony handsets.

    Get in touch

    Our award-winning support staff are available 24/7/365