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BlogSonetel explains
Henrik Thome
CEO & Founder
12 January 2026

Internet calling

Internet calling can be frustrating when calls drop, sound delayed, or show the wrong caller ID. This guide helps you make clearer calls from your phone or computer and avoid the most common setup problems.

You will learn how Internet calls work, how to improve call quality, and how to make calls with Sonetel.

What internet calling is

Internet calling means you place a voice call using an internet connection instead of a classic phone line. Many people also call it VoIP (Voice over Internet Protocol). If you want a deeper definition, see Voice over IP (VoIP).

Some internet calling tools only let you call people inside the same app. Others can also call regular phone numbers. That matters when you need to reach customers on mobile and landline numbers.

Internet calling vs Wi‑Fi calling

Wi‑Fi calling usually comes from your mobile carrier. It uses your normal phone app and your normal SIM number. It helps when mobile coverage is weak.

Internet calling apps work inside the app itself. For example, WhatsApp calling is great for calling other WhatsApp users. If you need to call standard phone numbers, tools like Google Voice are built for that.

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When internet calling helps most

Internet calling solves real problems for small teams. It also helps if you run a solo business or take calls as a private user.

It often helps when:

  • You want to call from a computer
    while you work in a browser.
  • You call internationally
    and want clearer cost control.
  • You work remotely
    and need the same calling setup everywhere.
  • You want a separate calling workflow
    from your personal SIM number.

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What you need for clear calls

Call quality depends more on stability than raw speed. So, start simple and remove the most common risks.

Check these basics before an important call:

  • Use stable Wi‑Fi,
    or use Ethernet when possible.
  • Use a headset
    to reduce echo and noise.
  • Close heavy downloads,
    cloud backups, and streaming apps.
  • Test your microphone and speaker settings
    once per device.
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Quick fixes for common problems

Most internet calling issues have simple causes. If you fix the basics first, you usually fix the call.

No one can hear you

This usually comes from a muted microphone or missing permissions. It can also happen if the wrong input device is selected.

Try this:

  • Check the app’s mute button
    and your headset mute.
  • Confirm microphone permission
    on your device.
  • Select the correct microphone
    in your audio settings.
  • Restart the app
    if the microphone stays “stuck.”

The sound is choppy or delayed

This often happens when your network has jitter or congestion. Public Wi‑Fi can also cause this.

Try this:

  • Move closer to the router
    or switch to 5 GHz Wi‑Fi.
  • Pause other high-traffic apps
    during the call.
  • Turn off VPN for the call,
    if you can.
  • Use mobile data
    if the Wi‑Fi network is unstable.

You hear echo or strong background noise

Echo often happens when speakers feed sound back into the mic. Noise can make you sound less clear and less professional.

Try this:

  • Use a headset
    instead of speakers.
  • Lower speaker volume
    if you must use speakers.
  • Move away from fans,
    windows, and busy rooms.
  • Choose one quiet “call spot”
    for sales and support calls.
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Internet calling with Sonetel

Sonetel lets you make calls from your computer or phone. You can call from the Sonetel mobile apps or from the Sonetel web app on your computer. The person you call answers like a normal call on their phone.

Sonetel also gives you different call options, so you can balance convenience and reliability. The easiest overview is Sonetel’s help guide on how to make calls.

Call from your computer with the Sonetel web app

Calling from a laptop helps when you work in e-commerce support, consulting, or SaaS onboarding. It also feels faster when you already work at your computer.

To make a call:

  1. Sign in
    to the Sonetel web app.
  2. Click the phone icon
    and enter a number, or pick a contact.
  3. Choose the call option
    and start the call.

If you need the downloads, use Get the Sonetel apps.

Call from your phone with the Sonetel mobile apps

Mobile internet calling helps when you travel or work away from your desk. It also keeps the same workflow as on your computer.

To make a call:

  1. Open the Sonetel app
    on iPhone or Android.
  2. Tap the phone icon
    and choose a contact or type a number.
  3. Pick the call option
    and start the call.

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Choose the best call method for each call

Some calls need maximum reliability. Others need speed and simplicity. Sonetel lets you choose.

A simple way to think about it:

  • Internet:
    connects your call to Sonetel over Wi‑Fi or mobile data.
  • Mobile call:
    uses a bridged setup for more dependable audio quality.

You can also set preferences inside your settings. See My call settings.

Speed up outbound calls with click‑to‑call

If you call leads from websites, directories, or web tools, manual copy-paste wastes time. Click‑to‑call can remove that friction.

Sonetel provides a callback tool for this workflow. See Click-to-call numbers on websites.

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What number will people see when you call?

When you use Sonetel for internet calling, the receiver will by default see your regular mobile number. This is the number you used to verify your account.

If you prefer, you can also buy a Sonetel number and show that instead. This helps when you want a consistent caller ID for business calls. Sonetel explains the setup here: Show Sonetel phone numbers as caller ID.

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Make follow-ups easier with AI

Calls often end with next steps. However, details can slip when you take many calls. This can slow down sales and customer success work.

Sonetel includes AI tools in the Premium and Business plans, such as call summaries and customer call analysis. The Basic pay-as-you-go plan still supports calling, and you can start with a number from $1.79 per month.

To learn more:

  • Call summaries
  • Customer call analysis
  • Compare plans
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Comparing internet calling options

Different tools fit different needs. The best option depends on who you need to call and how you work.

Internet calling options compared

This table helps you pick the right type of solution.

Option Who you can call
Best for
Main limit
App-to-app calling (example: WhatsApp) People on the same app
Personal calls
Both sides need the app
Carrier Wi‑Fi calling Any phone number
Better home coverage
Depends on carrier support

Option Who you can call
Best for
Main limit
VoIP service to phone numbers (example: Sonetel) Any phone number
Customer calls
Per-minute or plan cost
Bridged calling Any phone number
Important business calls
May use mobile minutes too

Sonetel vs popular alternatives for internet calling

If your main goal is calling regular phone numbers, start with these basics.

Provider Call regular phone numbers
Call from computer
Control caller ID
Pay-as-you-go
Link
Sonetel Yes
Yes (web app)
Yes
Yes
Sonetel
Google Voice Yes
Yes (web)
Yes
Limited
Google Voice

Provider Call regular phone numbers
Call from computer
Control caller ID
Pay-as-you-go
Link
RingCentral Yes
Yes (desktop/web)
Yes
No
RingCentral
WhatsApp No (calls inside WhatsApp)
Yes (desktop)
No
Free
WhatsApp calling
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Quick checklist before your next call

Small habits prevent most call problems. They also help you sound more professional.

Before you call:

  • Use a headset
    and confirm your microphone works.
  • Use a stable network
    and avoid switching networks mid-call.
  • Close heavy apps
    that use bandwidth.
  • Decide what number you want to show
    as caller ID.
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FAQ about internet calling

These questions come up often when people switch from classic calls to internet calls.

Can I use internet calling to call a landline or mobile number?

Yes, if your provider supports calling regular phone numbers. App-to-app calling tools do not work for that use case.

Does the other person need an app?

Not when you call their normal phone number through a VoIP provider. They answer like a regular call.

Can I do internet calling from a browser?

Yes, many providers offer web calling. With Sonetel, you can call from the web app on your computer.

Is internet calling secure?

It can be. Security depends on the provider and your network. Avoid unknown public Wi‑Fi for sensitive calls.

 

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Next steps

If you want a simple way to start internet calling, begin with the Sonetel apps and test a few calls on your own network.

Start here: Get the Sonetel apps and review pricing on Compare plans.

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