Dialing An Extension Number - HTC Singapore

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HTC 10‎

Guide Downloads

• FAQ
  • Storage
    • How do I copy or move files and folders to my storage card?
    • How do I view the files and folders from my USB drive?
    • When formatting my storage card for use as internal storage, I see a message saying the card is slow. Why is that?
    • My phone is brand new, but the available storage is lower than the total capacity. Why is that?
    • What's the difference between using the microSD card as removable storage and internal storage?
  • Security
    • Why doesn't the phone wake up when I touch the fingerprint scanner?
    • Why can't I unlock the screen with my fingerprint when using Exchange ActiveSync?
    • How do I get past the Google login screen after I reset my phone?
    • What can I do if I forgot my screen lock password, PIN, or pattern on my phone?
    • What should I do when my phone gets lost or stolen?
    • What is Smart Lock and how do I use it?
    • Why am I prompted to enter a password to decrypt my phone when I restart or turn it on?
    • When I removed my screen lock, a message appears saying device protection features will no longer work. What does device protection mean?
    • Why won't my phone lock even when I've already set up a screen lock password?
  • System performance
    • What should I do before I update the software of my phone?
    • What should I do if I am unable to install software updates?
    • How do I test the audio, display, and other parts of my phone?
    • In the Notifications panel, how do I remove the notification that says a certain app is running in the background?
    • How do I check the latest software updates for my phone?
    • Why is my phone acting sluggish and freezing?
    • Why does my phone turn off by itself?
    • What should I do if my phone gets too warm or hot?
    • What's the best way to end or close apps?
    • How do I check how much memory my phone has and how much memory is being used?
    • How do I restart my phone into Safe mode?
    • How do I get help on my phone when there's a problem?
  • Settings and others
    • How do I make the backlight of the hardware buttons to be always on?
    • How do I turn off the vibration when I type on the TouchPal keyboard?
    • Why don't I hear incoming call and text message notifications while I'm in a call?
    • There's recurring sound and vibration when I have unread notifications. How do I make it stop?
    • Why can't I customize the items in the Quick Settings panel?
    • How do I find the IMEI/MEID and serial number of my phone?
    • Why is my phone talking to me? How do I turn this off?
    • How do I enable or disable a device administrator app?
  • Power and charging
    • How does Qualcomm Quick Charge 3.0 work?
    • How do I save battery power?
    • What can I do if my phone will not power on?
    • How do I reboot the phone using hardware buttons?
    • What can I do if my phone keeps rebooting or won't boot all the way to the Home screen?
    • What should I do if my phone will not charge?
    • Why does my battery drain so quickly?
    • How does Doze mode save battery power?
    • Why are Power saver and Extreme power saving mode both grayed out?
    • How does App standby in Android save battery power?
    • In Settings, what is Battery optimization used for?
    • Am I required to use the provided USB Type-C cable or can I use a third-party cable?
    • Can I use a micro USB to USB Type-C adapter so I can use my existing USB cables?
    • How does the USB Type-C connector differ from the micro USB connector on my old phone?
    • Is my phone backwards compatible with charging accessories that don't support Qualcomm Quick Charge 3.0?
    • After the screen has been off for a while, why am I not receiving mail and instant message notifications? Internet radio broadcast also stopped.
  • Backup and transfer
    • Can I share media files to and from other phones using Wi-Fi Direct?
    • How do I back up my photos and videos?
    • How do I copy files between my phone and computer?
    • I was using HTC Backup before. Why isn't HTC Backup available on my phone?
    • How do I get HTC Sync Manager to recognize my phone?
  • Calls and SIM
    • When not in a call, how do I make the Phone dialer list my contacts with their profile pictures and not the call history?
    • Can I cut my micro SIM to a nano SIM so it can fit in my phone?
  • Audio and display
    • I think my microphone is broken. What should I do?
    • Can I change the system font style and size on my phone?
    • How do I set my favorite song or music as my ringtone?
    • Can I separately adjust the ringtone and notification sound volume?
    • How do I turn off the shutter sound when I capture the screen?
    • Why can't I use picture-in-picture when playing YouTube videos?
  • Applications
    • Why doesn't Google Assistant launch when I say, "OK Google"?
    • I keep exiting the game I'm playing because I pressed the RECENT APPS or BACK button by accident. How can I avoid this?
    • What is screen pinning, and how do I pin an app?
    • What does Google Play Protect do, and how do I check if it's enabled?
    • How can unread text messages be shown in bold in the HTC Messages app?
    • How can I adjust the font size in HTC Messages?
    • Why can't I play WMA music files in Google Play Music?
    • Is there a way to show the weather on the lock screen even when GPS is off?
    • Why don't app icons show the unread count anymore, such as unread messages and notifications?
    • Why is my phone not responding to Motion Launch gestures?
    • Can I do the same things in Google Photos that I used to do in HTC Gallery?
    • How do I sign in to my Microsoft email account from the Mail app?
    • Why are the apps on my phone crashing and force closing?
    • How do I know if I've installed a malicious third-party app on my phone?
    • How do I set the default SMS app?
    • How do I see the list of running apps?
    • How do I enable developer's options?
    • I keep getting prompted to grant permissions when using apps. Why is that?
  • Camera
    • Why do my captured portrait shots display in landscape orientation on my computer?
    • Why can't I take a photo while recording video?
    • Why does my phone stop recording automatically?
    • Photos appearing blurred? Here are some tips
    • Can I keep the camera on standby to save battery, and how?
  • Wireless and networks
    • How do I add the access point to my mobile operator's network?
    • How do I share my phone's Internet connection with other devices?
    • How do I know if my phone can be used in another country's local network?
    • Can the phone automatically switch to the mobile network when Wi‍-Fi is absent or weak?
    • I sent some files via Bluetooth to my computer. Where are they?
• Getting Started
  • Your first week with your new phone
    • HTC Sense Home
    • Sleep mode
    • Motion gestures
    • Touch gestures
    • Using Quick Settings
    • Getting to know your settings
    • Capturing your phone's screen
    • Travel mode
    • Turning icon badges on or off
    • Lock screen
    • Notifications
    • How can I type faster?
    • Getting help and troubleshooting
    • Restarting HTC 10 (Soft reset)
    • Motion Launch
    • Selecting, copying, and pasting text
    • Entering text
  • What's new
    • Android 8.0
  • Unboxing and setup
    • Adding your social networks, email accounts, and more
    • Fingerprint scanner
    • HTC 10
    • Back panel
    • Card tray
    • nano SIM card
    • Storage card
    • Charging the battery
    • Switching the power on or off
    • Setting up HTC 10 for the first time
  • Updates
    • Installing a software update
    • Installing an application update
    • Installing app updates from Google Play Store
    • Software and app updates
• Personalizing
  • Home screen layout and fonts
    • Changing the default font size
    • Setting your Home screen wallpaper
    • Adding or removing a widget panel
    • Changing your main Home screen
  • Widgets and shortcuts
    • Launch bar
    • Adding Home screen widgets
    • Adding Home screen shortcuts
    • Grouping apps on the widget panel and launch bar
    • Moving a Home screen item
    • Removing a Home screen item
  • Sound preferences
    • Changing your ringtone
    • Changing your notification sound
    • Setting the default volume
    • HTC BoomSound for speakers
    • HTC BoomSound for headphones
    • Personal audio profile
• Camera
  • Taking photos and videos
    • Selfies
    • Quickly adjusting the exposure of your photos
    • Taking a panoramic photo
    • HTC Camera
    • Choosing a capture mode
    • Taking a photo
    • Setting the photo quality and size
    • Tips for capturing better photos
    • Recording video
    • Taking continuous camera shots
    • Using HDR
  • Advanced camera features
    • Choosing a scene
    • Recording a Hyperlapse video
    • Manually adjusting camera settings
    • Taking a RAW photo
    • How does the Camera app capture RAW photos?
    • Using Zoe camera
    • Recording videos in slow motion
• Applications
  • Installing and removing apps
    • Getting apps from Google Play Store
    • Downloading apps from the web
    • Uninstalling an app
  • HTC Ice View
    • Controlling music playback from the phone case
    • Handling phone calls
    • Turning some functions on or off from HTC Ice View
    • Viewing app notifications from HTC Ice View
    • Choosing which notifications to display on the phone case
    • Launching the camera from your phone case
  • Google Photos
    • What you can do on Google Photos
    • Viewing photos and videos
    • Editing your photos
    • Enhancing RAW photos
    • Trimming a video
    • Changing the playback speed of a slow motion video
    • Editing a Hyperlapse video
  • Working with apps
    • Arranging apps
    • Disabling an app
    • Controlling app permissions
    • Setting default apps
    • Setting up app links
    • Accessing your apps
    • App shortcuts
    • Working with two apps at the same time
    • Using picture-in-picture
    • Switching between recently opened apps
  • HTC apps
    • HTC BlinkFeed
    • HTC Themes
    • Boost+
    • Mail
    • Weather
    • Clock
    • Voice Recorder
• Calls, Messages, and Contacts
  • Phone calls
    • Making a call with Smart dial
    • Dialing an extension number
    • Speed dial
    • Calling a number in a message, email, or calendar event
    • Emergency call
    • Receiving calls
    • What can I do during a call?
    • Setting up a conference call
    • Call History
    • Switching between silent, vibrate, and normal modes
    • Home dialing
  • SMS and MMS
    • How do I add a signature in my text messages?
    • Sending a text message (SMS)
    • Sending a multimedia message (MMS)
    • Sending a group message
    • Forwarding a message
    • Moving messages to the secure box
    • Blocking unwanted messages
    • Copying a text message to the nano SIM card
    • Deleting messages and conversations
  • Contacts
    • Your contacts list
    • Adding a new contact
    • Editing a contact’s information
    • Getting in touch with a contact
    • Importing or copying contacts
    • Merging contact information
    • Sending contact information
    • Contact groups
    • Private contacts
• Battery and Storage
  • Battery
    • Displaying the battery percentage
    • Checking battery usage
    • Checking battery history
    • Battery optimization for apps
    • Using power saver mode
    • Extreme power saving mode
    • Tips for extending battery life
  • Storage
    • Copying or moving files between the phone storage and storage card
    • Types of storage
    • Should I use the storage card as removable or internal storage?
    • Setting up your storage card as internal storage
    • Moving apps and data between the phone storage and storage card
    • Moving an app to or from the storage card
    • Copying files between HTC 10 and your computer
    • Freeing up storage space
    • Unmounting the storage card
• Backup, Transfer, and Reset
  • Backup and reset
    • Backing up HTC 10
    • Ways of backing up files, data, and settings
    • Backing up contacts and messages
    • Resetting network settings
    • Resetting HTC 10 (Hard reset)
  • Transfer
    • Ways of transferring content from your previous phone
    • Transferring content from an Android phone
    • Transferring iPhone content through iCloud
    • Other ways of getting contacts and other content
    • Transferring photos, videos, and music between your phone and computer
• Connectivity
  • Internet connections
    • Turning the data connection on or off
    • Managing your data usage
    • Wi‍-Fi connection
    • Connecting to VPN
    • Using HTC 10 as a Wi‍-Fi hotspot
    • Sharing your phone's Internet connection by USB tethering
    • Installing a digital certificate
  • Wireless sharing
    • Turning Bluetooth on or off
    • Connecting a Bluetooth headset
    • Unpairing from a Bluetooth device
    • What is HTC Connect?
    • Receiving files using Bluetooth
    • Using NFC
• Settings
  • Common settings
    • Night mode
    • Adjusting the display size
    • Location settings
    • Do not disturb mode
    • Airplane mode
    • Automatic screen rotation
    • Setting when to turn off the screen
    • Screen brightness
    • Touch sounds and vibration
    • Changing the display language
    • Glove mode
  • Security settings
    • Assigning a PIN to a nano SIM card
    • Setting a screen lock
    • Setting up Smart Lock
    • Turning the lock screen off
  • Accessibility settings
    • Accessibility features
    • Accessibility settings
    • Turning Magnification gestures on or off
    • TalkBack

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Dialing an extension number To skip voice prompts when dialing an extension number, do one of the following:

• After dialing the main number, press and hold * . A comma (,) is added to the number you are dialing. Enter the extension number, and then tap the call button. You will be connected to the mainline and then to the extension number.
• After dialing the main number, press and hold# to add a semicolon (;). Enter the extension number after the semicolon , and then tap the call button. After connecting to the main line, tap Send to dial the extension number.

You can save phone numbers with an extension in the People app.

Related How-tos How do I add an extension number to a contact number? Submit Was this information helpful? Yes No Thank you! Your feedback helps others to see the most helpful information.

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