2 Way Video Camera: Calling Through a Camera With a Screen

A 2 way video camera is a camera with a small built-in screen, so the person in the room can see your face while you talk to them, not just hear your voice. A typical indoor camera with audio only gives you two-way audio: you see and hear them, they hear you, but they see nothing of you. If you want a video call feel for a parent or a child who does not use a smartphone, you need a model with a screen and a call function, and a home connection that can carry video in both directions.

This article explains the difference, who each type suits, and what to check before and after you set one up. Menu names in the app can differ slightly by app version and camera model, so treat the steps as a guide and check the manual for your exact camera.

Two-way audio vs two-way video: what actually changes

Most indoor home cameras are "talk-back" cameras. They have a microphone and a small speaker, and the app on your phone has a talk button. That is two-way audio:

• You see the room through the camera's lens.
• You hear the room through the camera's microphone.
• They hear you through the camera's speaker.
• They see nothing of you. The camera has no screen.

A two way video camera adds the missing piece: a display on the front of the device. On models that support it, starting a call from the app sends your phone's front-camera picture to that display. Now both sides see and hear each other, much like a video call on a tablet, but on a device that stays switched on and plugged in all day.

There is a second difference that matters just as much: who can start the call. On a typical camera, only the person holding the phone can start talking. On many models with a screen, there is also a call button on the device, so the person at home can press one button to ring the family phone. Not every model with a screen has that button, and not every call button rings every family member, so check the listing and manual for the model you are looking at.

Who a camera with a screen suits

A screen helps most when the person at home will not, or cannot, pick up a phone:

• Elderly relatives who find smartphones fiddly but recognise a face instantly. Seeing a familiar face first makes a voice from a shelf far less startling. If you are planning a setup for a parent, read how to set up an indoor camera for elderly parents respectfully before choosing the room.
• Children at home after school, who can press a single call button to reach a parent at work without needing their own phone.
• Family members with hearing difficulties, who can lip-read or read gestures on the screen when the speaker alone is not clear enough.
• Shops or small offices where an owner wants to give quick face-to-face instructions to staff at the counter.

A plain indoor camera with audio is usually enough when you only need to check the room and occasionally say a few words, for example to tell a pet to get off the sofa or remind someone to take medicine. A screen adds cost, power use and one more thing to break, so only pay for it if seeing your face actually changes how the person responds.

What a two-way video call needs from your network

Two-way video is heavier on the connection than watching a camera. With a normal camera, video goes one way, from the home to your phone. With a screen, video also travels the other way, from your phone to the home. That means the upload speed at both ends matters.

Check these before blaming the device:

1. Home Wi-Fi at the camera's position. Stand where the camera will sit, open a speed test on your phone, and look at both download and upload. If the upload figure is much lower than download, as it is on many home plans, the picture you see of the room will suffer first.
2. Your own connection when you call. On mobile data in a weak signal area, your picture on their screen will freeze or turn blocky even if their Wi-Fi is fine.
3. The Wi-Fi band. Many home cameras only join the 2.4 GHz band. If your router merges both bands under one name and the camera will not pair, check the manual for your model and your router's settings.
4. Other heavy users. Streaming TV, game downloads or other cameras on the same router all compete for upload. If calls break up at the same time every evening, that is the likely cause.

As a worked example of why upload matters: if a home has three cameras streaming to family phones and someone starts a video call on a fourth device, all four streams share one upload pipe. The router does not care which one is the call, so the call can drop in quality just when it matters. The fix is usually to reduce what else is streaming, or move the device closer to the router, not to buy a new camera.

Where to place it

Placement for a two-way video device is different from placement for a security camera. A security camera goes high and wide. A device people talk to needs to be at face height and within easy reach.

• Put it where the person already sits, such as beside an armchair, on a kitchen counter, or on a desk where a child does homework. If they have to walk across the room to see the screen, they will not use it.
• Keep it at roughly eye level for a seated person. A screen on a high shelf means they see you from below and you see the top of their head.
• Avoid bright windows behind the device. Strong light behind the person turns their face into a dark shape on your phone. Light from the front or side works best.
• Keep it away from the TV and radio. A loud TV next to the microphone drowns out speech and can cause echo on your end.
• Make the power cable safe. Run it where nobody will trip on it, especially if an older person uses a walking aid. If a new socket is needed, switch off power and ask a qualified electrician to fit it; do not run extension leads under rugs.

If the room also needs a security view, many families end up with two devices: a ceiling-corner camera for watching the room, and a desk-height device for talking face to face.

Setting up calls in the app, step by step

The exact screens depend on your model and app version, but the order of tasks is usually the same:

1. Add the device to your account in the app as you would any camera, following the pairing steps in the manual.
2. Allow the app to use your phone's camera and microphone. On both Android and iPhone, the app asks the first time you start a call. If you tapped "Don't allow", go to your phone's Settings, find the app, and switch on both Camera and Microphone. Without camera permission, the screen at home stays blank or shows a placeholder.
3. Allow notifications on every phone that should receive incoming calls from the device. If notifications are blocked or the app is put to sleep by battery saving, a press of the call button at home may reach nobody.
4. Share the device with the family members who should answer. Use the app's sharing option rather than giving out your password, as explained in how to share a camera with family. Then confirm with each person that their phone actually rings when the button is pressed; some models only call the owner account.
5. Do a full test call from inside the home. Have someone press the call button while you stand in another room with your phone. Check that you see them, they see you, and both of you can hear clearly.
6. Do a second test from outside, on mobile data. This is the situation that matters in real life, and it is often where problems first show up.

Common problems and what each one means

• They can hear you but see a black screen. Your phone's camera permission is off for the app, or your front camera is in use by another app. Close other video apps and check the permission.
• You see them, but your face freezes on their screen. Your upload is the bottleneck. Move to better signal or Wi-Fi and try again.
• Their face freezes on your phone. The home connection is struggling. Check the Wi-Fi strength at the device and what else is streaming.
• Nobody hears anything in one direction. This is an audio fault, not a video one. Work through two-way audio not working on a camera, which covers microphone permission, mute icons and echo.
• The call button at home does nothing. Check that notifications are allowed and that the receiving phone is not blocking the app in battery saving mode. Then check the manual: on some models the button needs to be set up first.
• Calls work but saved clips are silent. Live calls and recordings are handled differently. See why security camera recordings have no sound for the settings that control recorded audio.
• Loud screeching during calls. The camera's speaker is feeding back into your phone's microphone. Lower your phone's volume, use earphones, or move the device a little further from hard, bare walls.

Privacy and respect

A device with a screen and a call button feels more like a phone than a camera, and that is the point, but it is still a camera in someone's home. Agree with the person who lives there when family will call and when the device may simply be watched. Tell them clearly that a face may appear on the screen at any time so it does not startle them, and show them how to cover or unplug the device if they want privacy. Recording rules for audio and video differ between places, so check local rules if the device faces shared areas, staff or visitors.

When to get help

Contact the seller or the support channel listed in your manual if:

• the screen stays black or shows lines even when no call is running, which points to a hardware fault rather than a setting;
• the device will not pair after you have checked the Wi-Fi band and password;
• the call button has no effect on any phone after you have checked notifications and sharing;
• the device reboots by itself, gets very hot, or the power adapter smells of burning. Unplug it straight away.

Have the model number from the label, your app version and a short description of what you see ready. That speeds up the answer more than anything else.

Frequently asked questions

Can I turn a normal indoor camera into a two-way video camera?

Not with settings alone. A normal camera has no display, so there is nowhere for your picture to appear. If you want a screen without changing cameras, a tablet or spare phone with a video call app can sit next to it, but the camera itself stays audio-only.

Does the person at home need a smartphone for two-way video?

No, that is the main reason people choose a device with a screen. The family member answering on the other end needs the app on their phone, but the person at home only needs to look at the screen and, on models with a call button, press it.

Can several family members join the same video call?

It depends on the model. Many devices allow only one active call at a time, even if several people can watch the live view. Check the manual for your model, and agree in the family who answers first.

Will two-way video use a lot of mobile data?

It uses noticeably more than watching a camera, because your phone is sending video as well as receiving it. The amount depends on picture quality and call length, so check your data usage in your phone's settings after a few calls to see what your own pattern costs you.

Is a camera with a screen safe to leave on all day?

Indoor devices like this are generally made to stay plugged in. Use the power adapter supplied with it, keep it out of direct sunlight and away from water, and leave space around it so it does not overheat.