Power dialers and cold calling software: Talkdesk, Trellus and others

Most "best dialer" lists rank tools by how many features fit on a pricing page. That's the wrong axis. The first decision is which dialing mode your team needs: one call at a time with auto-advance, several lines at once, or a predictive engine that dials ahead of your reps. The second decision is how you want to pay: per seat, per minute or by enterprise quote. Get those two right and the shortlist mostly picks itself.

This post covers the tools sales teams usually compare (Talkdesk, Trellus, the parallel dialers, the CRM-friendly power-dialing tools) and is honest about one thing up front. We make Ready, and Ready Dialer does not auto-dial. It's click-to-call billed per minute. For some teams that's exactly right. For a 10-person SDR floor making 300 dials a rep a day, it isn't, and we'll say which tool to look at instead.

Power, parallel, predictive: what you're actually buying

The mode matters more than the brand. A short version:

• Power dialing: dials one number, and when the call ends it moves to the next contact in the list. One rep, one line, no dead time between dials.
• Parallel dialer: dials several numbers at once for one rep and connects whoever picks up first. More conversations per hour. It also creates more abandoned or dropped calls, which carries legal and reputation cost.
• Predictive dialer: dials ahead of a team of reps based on expected answer rates. Built for call centers with many agents.
• Click-to-call: the rep clicks a number and the call starts. Nothing auto-advances.

We cover the tradeoffs in detail in power vs parallel vs predictive dialers. If you're new to the category, what power dialing is and who needs it is the place to start.

How we ranked these tools

We didn't score tools on a 1-10 scale. Vendor prices change often and plans are frequently quote-only, so we don't list competitor prices here. Check each vendor's current plan page. We compared on four things that don't change month to month:

1. Dialing mode. Power, parallel, predictive or click-to-call.
2. Pricing model. Per seat, per minute or enterprise quote.
3. Who it's built for. A contact center, an SDR team or a small sales team.
4. Compliance tooling. How much help you get with DNC, consent and calling hours, and how much you have to bolt on yourself.

The shortlist

Talkdesk

Talkdesk is a cloud contact center platform. Outbound dialing is one part of it, next to routing, IVR, workforce management and reporting. If you run a support-plus-sales floor with dozens of agents, it's a serious option. If you're five closers who want to call leads faster, it's more platform than you need, and the buying process will reflect that.

Trellus

Trellus is aimed at SDR teams. It pairs dialing with live coaching during calls, which helps most when you're ramping new reps. It's a per-seat tool built around outbound volume, so judge it by whether your reps actually use the coaching, not just the dialer.

Orum and Nooks

These are parallel dialers built for SDR teams whose job is booking meetings from cold lists. They get more live conversations per hour than one-line dialing. The tradeoff: parallel dialing raises the share of answered calls that reach no rep, and that's where both legal exposure and spam-labeling risk grow. Read our notes on multi-line dialers before you turn on four lines.

Kixie, PhoneBurner, Aircall, JustCall

This is the middle of the market: one-line power dialing, CRM integrations and per-seat pricing. PhoneBurner focuses on power dialing. Kixie, Aircall and JustCall are broader cloud phone tools with dialer features. For a team of 3 to 15 reps running daily call lists, this group is usually where the right answer is. For more on what to weigh, see our cold calling software buyer's guide.

Where Ready Dialer fits, and where it doesn't

Here's exactly what Ready Dialer does:

• Click-to-call from the dial pad in the Ready dashboard or inside GoHighLevel.
• Consented call recording and transcripts.
• Inbound calls ring the open dial pad.
• A Missed call card in the Inbox thread for each missed call.
• Billing at $0.025 per minute. Each started minute is billed as a full minute. There are no seat plans, and every minute bills at that same rate.
• Only answered time is billed. A ring-out or a busy line costs nothing. A call answered by voicemail counts as answered and bills like any connected call.

Here's what it doesn't do: queue dialing, auto-dialing, parallel lines, voicemail drop, transfers, or manager barge, whisper and monitoring. If your workflow depends on any of those, buy one of the tools above. Ready isn't the right fit for you, and that's fine.

Where Ready fits is a team whose calls go mostly to people who already raised a hand: form fills, inbound replies, missed callbacks. For those calls, speed matters more than dials per hour. A text goes out the moment the form lands, the rep clicks to call from the same thread, and the text, the call and the reply all sit in one inbox. You also don't pay a seat fee for a rep who only makes ten calls a week.

Worked example: cost per conversation on per-minute billing

Assumptions (adjust to your own numbers): one rep makes 100 manual dials a day. 12 are live conversations averaging 2.5 minutes, 10 reach voicemail at about 40 seconds, and 78 ring out or hit a busy line. The month has 21 working days.

• Live calls: 2.5 minutes rounds up to 3 billed minutes. 12 × 3 = 36 minutes.
• Voicemails: 40 seconds rounds up to 1 billed minute. 10 × 1 = 10 minutes.
• No-answers: 78 × $0 = $0.
• Daily total: 46 minutes × $0.025 = $1.15.
• Monthly total: 21 × 46 minutes × $0.025 = $24.15 for that rep.
• Cost per live conversation: 46 ÷ 12 is about 3.83 billed minutes, and 3.83 minutes × $0.025 = $0.10.

Now add follow-up texts. Say this rep texts 200 people a month who have opted in or replied, each with a 1-segment message of 160 GSM characters or fewer. That costs 200 × ($0.0075 + $0.0045): 200 segments at the Standard rate plus 200 × $0.0045 in carrier fees. Watch emoji: one emoji drops the segment limit to 70 characters, which can turn a 1-segment text into a 3-segment text.

Ready's all-in prices per segment include the carrier fee but not screening: Scrub lists and Number validation, the two switches in Settings under Compliance, each add $0.003 per segment when switched on, shown as screening on your bill, and both are off by default. Unless you turn the opt-out footer off, the first text to each contact, and one again from time to time, also gets "Reply STOP to opt out" and your business name if the message does not already have them, so a text close to the segment limit can bill one more segment.

Compare that total with the per-seat price on the plan page of whatever power-dialing tool you're considering. At low call volume, per-minute billing usually wins. At 300 dials a day, the time savings of power dialing are worth more than the billing model. Do the math with your own dial counts rather than ours.

Local presence: your own numbers, not number-spinning

In Ready, local presence works for texts and calls. Ready sends each text from the account's number closest to the contact's area code, and the dial pad's Local presence caller ID calls from that same kind of number. In GoHighLevel, the Local presence switch is the same account switch. Every number still sits on your registered 10DLC campaign, so local presence chooses among registered numbers rather than getting around registration. We don't publish a reply-rate lift figure for it. A local area code looks less like a stranger.

For calls, be careful. Many dialers sell "local presence" as rotating caller IDs across dozens of numbers. Carriers' spam analytics notice that pattern, and an entire pool of numbers can get labeled "Spam Likely" within days. We explain the safer approach in rotating local numbers and spam flags.

Compliance before you load a list

Cold outreach in this post means cold calls. Cold contact happens by phone and mail. SMS goes only to leads who consented or replied, and we don't recommend texting cold lists on any platform.

For calls, the TCPA and the Do Not Call rules still apply. Two rules matter most here:

• Auto-dialed calls to cell phones generally need prior consent.
• Calling-hour limits apply, typically 8 AM to 9 PM in the recipient's local time.

Statutory damages run roughly $500 to $1,500 per violating call or text, which is why parallel and predictive modes deserve a lawyer's review before you scale them.

Ready's standalone TCPA & DNC Litigator Scrub costs $0.005 per contact. It checks each number against known TCPA-litigator lists and DNC-complainer lists and flags matches. That reduces risk. It doesn't make you lawsuit-proof, and compliance remains the sender's responsibility. For texts, Ready also handles STOP opt-outs across campaigns and holds sends during the recipient's quiet hours. Campaigns, drip campaigns and automations wait up to 24 hours for the window; a one-to-one or API text is held only if the window opens within 6 hours, otherwise it is refused and must be resent; a one-to-one reply to someone who texted you in the last 24 hours goes out at any hour.

Which one to pick

• Contact center with many agents: Talkdesk or a similar contact center platform.
• SDR team booking meetings from cold lists: a parallel dialer (Orum, Nooks) or Trellus if coaching matters. Budget for compliance review.
• Small sales team running daily call lists: a power-dialing tool such as PhoneBurner or Kixie, or a cloud phone with dialer features if you also need a phone system.
• Team calling warm and inbound leads that already texts them: Ready Dialer at $0.025 per answered minute, with texting and local presence in the same inbox.

If the last description fits you, you can sign up and test it. A card on file is required, and the first 20 one-to-one texts are free. Use them before you register, since they end the moment a registration is paid for. Calls bill from the first answered minute. If you need auto-dialing, pick one of the tools above.