No, it is a paid tool. What we have on record: Bronze, Silver, Gold tiers (custom); $15 day pass available. Check their pricing page for current plans and any trial.

What can I use instead of ipDTL?

Other tools in the same category: Riverside, Zencastr, SquadCast.

Recording$$$

ipDTL

Pro broadcast-quality IP linking for radio and high-end interview shows.

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Our take

ipDTL is the ISDN replacement radio professionals have been quietly relying on for over a decade — broadcast-quality, SIP support, $15 day passes for one-off sessions. The interface is unapologetically utilitarian and the pricing page is opaque, but if you need a guest's voice to come through your radio studio at AAC-LD quality, this is the answer.

At a glance

Pricing: $$$
Category: Recording
Price: Bronze, Silver, Gold tiers (custom); $15 day pass available
Platforms: Web
Best for: Radio and broadcast pros

Confirm current pricing on ipDTL →

In depth

ipDTL is built for the radio and high-end interview production market — specifically as an internet-based replacement for ISDN, the legacy phone-line tech broadcasters used for decades to get studio-quality remote audio. The product is from In:Quality, a small UK company, with a long client list including the BBC, Sky, and similar broadcasters who rely on it for live remotes, voiceovers, and contributions.

The tech does what ISDN did: full-fidelity bidirectional audio between two endpoints with monitoring, SIP support so you can dial in or out of phone systems and SIP-equipped studios, and 'Send a Link' so producers can invite a guest to a one-off session without that guest needing an account. The Bronze/Silver/Gold tiering scales features like multi-party calling, recording, and call duration.

The $15 day pass is the unusual touch — perfect for an indie podcaster who occasionally needs a broadcast-quality guest and doesn't want a subscription. Honest cons: the website looks like it hasn't been redesigned in years, pricing is genuinely hard to read without a sales conversation, and the feature set is overkill for video-first podcasts or casual interview shows.

Best for radio stations, professional voice-over agents, news organizations doing remote contributions. Wrong tool for the bulk of indie podcasting — Riverside or Cleanfeed cover the need at a fraction of the cost.

Free, from SliceFree guest soundcheckSend a guest a link before the session and hear what they will sound like, before it is too late to fix.Open it

Related research and guides

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Best remote podcast recording softwareOur researched shortlist, with prices checked.
Podcast Guest SoundcheckA free mic and headphone test to send guests before you record.
How to start an in-person podcastMics, recorders and the room, with starter kits from $0.

Alternatives to ipDTL

See all Recording →

Riverside

Recording$$

Browser-based studio that records each guest locally in 4K, then helps you edit.

Best for: Remote video interviews