IPTV Service Types: Live, Start Over, Catch-Up, DVR and On-Demand

Short answer: an IPTV service combines up to five different ways of watching: live channels, a short pause-and-rewind buffer, start over or catch-up for recent programmes, a cloud DVR for your own recordings, and an on-demand library. They're built differently and, more importantly, licensed differently, which is why rewinding, skipping adverts or watching yesterday's show works on some channels and not others, even within one app. Knowing which mode you're in explains most of the odd behaviour.

The five modes at a glance

Most live TV streaming services offer all five, but which one you're in at any moment changes what you can do. For the underlying technology, see how IPTV works.

Live, or linear, TV

Linear TV is the channel as it's scheduled: the same programme everyone else on that channel is watching, with its adverts. It's the core of any live TV service and the reason to have one rather than just on-demand apps.

How it's delivered. The channel is encoded into video segments a few seconds long, at several quality levels. Your app downloads them in sequence and picks the quality your connection can handle. That's why the picture sometimes softens briefly rather than stopping.

The delay. Because of segmenting and buffering, a stream usually runs behind over-the-air broadcast, often by 20 to 60 seconds, sometimes more. For sport, that's why a neighbour with an antenna cheers before you do. Our guide to sport on streams covers ways to live with it.

Adverts. In live TV, the ads are part of the channel. Some slots can be replaced with targeted ads by the service, but you can't skip them live.

Pause and rewind on live TV

Most services let you pause a live channel and rewind a short way. Technically, the app is using segments it has already downloaded or can still fetch from the service's servers.

How far back? It varies by service and channel, from a few minutes to much longer. Once paused beyond the limit, some apps jump back to live.

Fast-forward. After pausing, you can usually fast-forward up to the live point, including through adverts, since those segments have already aired.

This is the feature that makes live sport usable in a busy house: pause for a minute, then catch up during a break. It's also the simplest way to skip a few adverts: pause for ten minutes at the start of a programme and you can fast-forward through the breaks that follow.

Start over and catch-up

Start over lets you jump back to the beginning of a programme already in progress. Catch-up, called lookback on some services, lets you watch programmes that aired recently, often in the last few days, without having recorded them.

Both depend on the channel's rights, not just the service's technology. A network may allow start over for its programmes, allow it only for some, or disable fast-forwarding through adverts. That's why the button appears on one channel and not the next.

Some services, especially operator IPTV outside the US, offer extensive catch-up across many channels for several days. In the US, the cloud DVR has largely taken that role instead.

Cloud DVR

A cloud DVR records programmes you choose and stores them on the provider's servers instead of a box at home. You can play them back on any device where you use the service.

Limits. Services differ in storage, from a set number of hours to unlimited, and retention, how long recordings are kept, often nine or twelve months.

The on-demand swap. On some channels and services, when a network's on-demand version of an episode is available, playback switches to it, sometimes with unskippable adverts. It's a licensing arrangement rather than a technical necessity, and it's the most common complaint about cloud DVRs.

Legally, US cloud DVRs are generally treated as recording at your request, which is why each subscriber's recordings are handled as their own copies.

On-demand libraries

The on-demand section of a live TV service is a library of programmes the service or its networks have licensed separately for on-demand viewing: recent episodes, some back seasons, films.

It rotates. Titles come and go as licences expire. An episode available last week may be gone this week.

Adverts are common. Many network on-demand episodes carry adverts that can't be skipped.

It's not a Netflix substitute. The library complements the live channels; it rarely includes full series runs.

Standalone on-demand services, such as Netflix, Disney+ or Max, license content to keep for longer and usually in full, which is why many households combine one live service with one or two of them.

Operator IPTV vs streaming services

The five modes look similar from the sofa, but there are two quite different ways of building them.

Operator IPTV is television from your broadband provider over its own managed network, common in Europe and Asia and used in the US by services such as Verizon Fios TV. Live channels are often sent once across the network and copied to every home watching, a technique called multicast. Because the operator controls the network end to end, channel changes are fast and the delay behind broadcast can be small. These services frequently offer extensive catch-up, sometimes seven days across most channels.

Streaming live TV services, such as YouTube TV or Sling, run over the open internet to any broadband connection. Every viewer gets an individual stream from a content delivery network, which scales well but adds delay and makes channel changes slower. They compensate with generous cloud DVRs.

Neither is better in every way. Operator IPTV ties you to one internet provider and often a rented box; streaming services work on any connection and device you already own, which is why they have taken most of the US market.

How the main US services compare

Availability varies by channel and changes frequently. Use a trial to check the channels you watch most.

Which modes matter for you

If you mostly watch live sport and news, the pause buffer and a small delay matter most; DVR is secondary.

If you watch scheduled shows at your own time, the DVR is everything. Check retention and ad skipping on your channels.

If you often join programmes late, start over coverage on your main channels matters more than any other feature.

If you binge, you may be better served by an on-demand service than a live bundle; many people keep only a cheap live service, or none, alongside one.

For a feature-by-feature ranking across the leading services, see our guide to the features worth paying for.

Quick answers

What are the types of IPTV service? Live linear TV, pause and rewind on live channels, start over and catch-up, cloud DVR, and on-demand libraries. Most live TV streaming services offer all five.

Why can't I rewind some channels? Start over, catch-up and fast-forward are controlled by each channel's rights, so the same app can allow them on one channel and not another.

What's the difference between catch-up and DVR? Catch-up lets you watch recent programmes you didn't record, where the channel allows it. A DVR plays back programmes you chose to record.

Why does my recording show adverts I can't skip? On some channels the service plays the network's on-demand version instead of your recording, and that version may have unskippable adverts.

Why is my live stream behind the antenna broadcast? Streaming uses short video segments and buffers, which typically puts it 20 to 60 seconds behind over-the-air TV.

Is on-demand content permanent on live TV services? No. It's licensed separately and rotates as licences expire.

Which US service has the best cloud DVR? YouTube TV, Hulu + Live TV and DirecTV offer unlimited recordings for nine months; Philo keeps unlimited recordings for twelve months.

Feature availability depends on each channel's rights and changes over time. Figures are typical, not guaranteed. Checked September 2026.