Our Top Picks
The best cold calling dialer depends on where your list lives and how your reps want to work it.
Trellus keeps power or parallel dialing inside supported CRMs and sales platforms. Nooks, Orum, and Salesfinity move calling into a separate outbound workspace with broader data and manager tools. PhoneBurner concentrates on one-at-a-time power dialing. Close puts calling inside its own CRM. WAVV is built around HighLevel. VICIdial gives technical teams a self-hosted contact-center stack.
The shortlist below compares nine products by the workflow a buyer is actually choosing—not by who has the longest feature page.
Trellus publishes this guide. Competitor details come from current public product, help, integration, and pricing pages, not equivalent paid-account testing.
See Trellus in your current platform Browse Trellus integrations
Cold calling dialers at a glance
| Dialer | When it makes sense | Dialing approach | Where reps work | Pricing approach |
|---|---|---|---|---|
| Trellus | Teams that want a dialer inside their existing sales workflow | Power and parallel dialing, up to five lines | Supported CRMs, sales platforms, data tools, and spreadsheets | Public individual plans; custom team plan |
| Orum | Established outbound teams that want a dedicated calling-performance system | Power, click-to-call, one-off, and parallel dialing up to ten lines | Orum workspace connected to selected sales systems | Custom quote |
| Nooks | Teams that want dialing, data, coaching, and a virtual salesfloor in one workspace | Power-1, two-to-five-line parallel, Adaptive, and Turbo modes | Nooks workspace with supported CRM connections or CSV import | Custom quote |
| Salesfinity | Lean teams that want self-serve parallel dialing plus enrichment and research | Power and parallel dialing up to five lines | Salesfinity workspace with CRM and sequencer connections | Public self-serve plan; custom enterprise plans |
| PhoneBurner | Reps who prefer one number at a time and a disciplined after-call workflow | One-to-one power dialing | PhoneBurner or a connected CRM | Public per-user plans |
| JustCall | Teams that also need a cloud phone system, SMS, routing, and contact-center tools | Power, Dynamic, and multi-line predictive options | JustCall with CRM integrations | Public plans; dialing features vary by plan |
| Close | Teams willing to make the CRM their calling and communication hub | Native, power, and predictive dialing | Close CRM | Public plans; advanced dialers are plan-gated |
| WAVV | HighLevel agencies that want multi-line dialing inside sub-accounts | Preview, single-line, and three-line plans | Embedded in HighLevel | Public individual and team plans |
| VICIdial | Call centers prepared to own hosting, telephony, configuration, and administration | Manual, agent-controlled, broadcast, and predictive dialing | Self-hosted web agent and admin interfaces | No software licensing cost; infrastructure and operations are separate |
Choose the operating model before the brand
A dialer demo can look great while hiding the biggest workflow change. Decide where the rep starts the call block before comparing feature lists.
Keep the current CRM or sales platform
Choose this route when lists, tasks, filters, dispositions, and follow-up already live in tools such as HubSpot, Salesforce, Salesloft, Outreach, Apollo, GoHighLevel, Attio, or Google Sheets. The dialer should work from that context and return the supported result without turning every call block into an export-and-import project.
Trellus is built for this operating model.
Move calling into a dedicated outbound workspace
Choose this route when the team wants calling, enrichment, research, manager visibility, coaching, and a virtual salesfloor in one separate system. Nooks, Orum, and Salesfinity are the clearest examples in this guide.
This can be a good trade when the broader workspace replaces enough other work to justify the change.
Make the CRM the phone system
Close combines CRM records, pipeline, calling, email, SMS, tasks, and automation. It is worth evaluating when the team is open to changing its system of record rather than adding a dialer to the CRM it already has.
Run a contact-center stack
VICIdial fits a different buyer. It is an open-source inbound and outbound contact-center suite designed to run with Asterisk, telephony trunks, databases, servers, and hands-on administration. The software license may be free, but the operating model is not lightweight.
Match the dialing mode to the list
The mode matters more than the word “AI” in the product name.
- Power dialing calls one number at a time and moves to the next record after the rep finishes. It is a practical default for smaller lists, warmer prospects, or teams that want to hear every ring and answer.
- Parallel dialing places several calls for one rep and connects a live answer. It fits larger cold lists where low answer rates create too much dead time.
- Predictive dialing paces multiple calls around agent availability. It is usually a contact-center or high-volume team decision, not just a faster version of a power dialer.
- Preview or click-to-call gives the rep time to inspect the record before placing each call. It is slower, but it can be the right choice for high-value accounts.
Read the fuller Trellus guides to power dialing and parallel dialing if the team has not chosen a mode yet.
1. Trellus: dial inside the tools reps already use
Trellus adds power and parallel dialing to supported CRM, sales-engagement, prospecting, and spreadsheet workflows. A rep opens the list, task view, report, sequence, or table the team already uses and starts the call block from there.
That is the central difference. The rep does not have to make a separate dialer workspace the new source of truth.
On supported workflows, Trellus keeps the right contact and account context close to the call, then saves the supported outcome and follow-up where the rep already works. For example:
- GoHighLevel can start from supported smart-list or opportunity-stage work and return notes, dispositions, tags, summaries, and callbacks.
- Attio can start from supported People lists or Tasks and return outcomes and follow-up context to the Person.
- HubSpot, Salesforce, Salesloft, Outreach, and Apollo each have their own supported starting surfaces and return path.
- Google Sheets can turn the rows already on screen into a calling session and write configured results back to the source row.
Trellus also brings real-time coaching, transcription, notes, and follow-up context into the calling session. Individual plans are public, teams can request a custom plan, and parallel plans support up to five simultaneous lines.
Choose Trellus when: the team likes its current sales stack and wants more live conversations without rebuilding the rep workflow around another system.
Look elsewhere when: the company wants a new all-in-one outbound workspace, a replacement CRM, or a self-hosted contact-center system.
See the complete Trellus integrations directory to find the platform your reps already use.
Compare the Trellus sales dialer and current Trellus pricing before deciding which mode fits the team.
2. Orum: dedicated high-volume calling and manager workspace
Orum has moved beyond a single dialer feature. Its current product combines an AI dialer, a virtual Salesfloor, analytics, call history, coaching, roleplay, scorecards, and data products.
The dialing package includes power, click-to-call, one-off, and parallel modes, with the current pricing page listing parallel dialing up to ten lines. Paid plans use custom pricing.
That makes Orum a serious fit for an established outbound organization that wants calling and manager workflows to become their own operating system. The tradeoff is the same: the team is buying a broader workspace and commercial relationship, not a lightweight dialer added to whatever every rep already has open.
Choose Orum when: a larger outbound team wants high-volume dialing, Salesfloor, analytics, and structured coaching in one dedicated system.
Look elsewhere when: the team needs a self-serve individual plan or wants the current CRM screen to remain the rep’s home base.
3. Nooks: dialer, data, and virtual salesfloor in one workspace
Nooks combines its dialer with phone-data enrichment, account research, live Battlecards, coaching, analytics, and a virtual Salesfloor.
Its dialing modes are unusually explicit. Power-1 calls one prospect at a time. Standard Parallel calls two to five. Adaptive adjusts around a chosen base, while Turbo can move above that base under the documented eligibility conditions. Nooks requires a custom quote.
Nooks is compelling when a company wants more than a dialer and is comfortable moving daily call work into the Nooks environment. The wider product can reduce tool switching if the team actually adopts the research, data, coaching, and manager layers. If those layers are not part of the purchase, compare the cost and workflow against a narrower dialer.
Choose Nooks when: the team wants a dedicated outbound workspace with dialing, data, research, and live team collaboration.
Look elsewhere when: the rep must keep working directly from a CRM or sales-platform view that Nooks does not support as the daily calling surface.
4. Salesfinity: self-serve parallel dialing with enrichment
Salesfinity offers both power dialing and parallel dialing up to five lines. Its public self-serve package combines the dialer with rotating caller IDs, number scoring, waterfall enrichment, research, call summaries, follow-up tools, and core CRM or sequencer integrations.
The self-serve plan is designed as an individual workspace. Team administration, virtual Salesfloor, coaching, reporting, and a dedicated success layer sit in its annual enterprise packaging.
That makes Salesfinity useful for a rep or lean pod that wants a broader parallel-dialing system without starting with a sales call. A team buyer should compare the individual workspace with the enterprise layer it will actually need.
Choose Salesfinity when: enrichment, research, parallel dialing, and a same-day self-serve start belong in the same purchase.
Look elsewhere when: the main requirement is an embedded dialer inside a platform-specific list or task workflow.
5. PhoneBurner: focused one-to-one power dialing
PhoneBurner deliberately emphasizes one-at-a-time power dialing rather than parallel or predictive calling. Its workflow covers list import or CRM connection, sequential calls, dispositions, voicemail, email or SMS actions, recordings, transcripts, and coaching.
That focus is a feature, not a weakness. A rep always knows which person is being called, hears each answer, and completes the after-call action before moving on. Teams with valuable accounts, warmer lists, or a strong preference for one-to-one pacing may prefer this to multi-line calling.
PhoneBurner publishes per-user plans and supports native CRM connections, a Chrome extension, Zapier, API, and webhooks. Integration depth varies by platform, so test the exact CRM flow rather than counting logos.
Choose PhoneBurner when: one-to-one power dialing and a disciplined follow-up sequence matter more than maximum line volume.
Look elsewhere when: parallel dialing or an existing-platform-first workflow is a hard requirement.
6. JustCall: outbound dialer plus cloud phone and messaging
JustCall is broader than a sales dialer. It combines business phone service, inbound routing, SMS, call recording, analytics, AI assistance, coaching, and CRM integrations.
Its current sales-dialer page presents Power, Dynamic, and ten-line Predictive modes. The product can import a list from a CRM or CSV, connect reps to answers, and log supported call details back to connected systems. Public pricing is available, but the dialer, analytics, AI, minutes, numbers, and advanced controls depend on the selected plan.
JustCall deserves a look when sales is only one part of the phone requirement. A company that also needs inbound routing, messaging, mobile access, and contact-center operations may get more value from a single communications platform.
Choose JustCall when: outbound dialing, cloud telephony, messaging, and routing should live together.
Look elsewhere when: the team already has its phone system and only needs a focused calling workflow inside its sales tools.
7. Close: make the CRM the calling hub
Close is a sales CRM with calling, email, SMS, tasks, workflows, pipeline, and reporting in the same product.
Its Power Dialer works through a list one lead at a time. The Predictive Dialer places multiple calls and connects a rep to an answer. Close also offers call recording, summaries, routing, and live coaching at different plan levels.
The real decision is not whether Close has a dialer. It is whether the business wants Close to become the CRM. If the answer is yes, combining records and communication can remove several integrations. If the business is committed to another CRM, migration cost belongs in the comparison.
Choose Close when: a small or growing sales team wants CRM and communications in one system.
Look elsewhere when: replacing the current CRM is off the table.
8. WAVV: multi-line dialing inside HighLevel
WAVV has built a specific commercial workflow around HighLevel. Agencies install it from the HighLevel App Marketplace, choose sub-accounts, and launch WAVV from the sub-account sidebar.
Its multi-line product calls three numbers at once from supported smart lists or opportunity pipelines. WAVV also documents single-line and preview options, disposition-driven HighLevel tags, call outcomes, resumable campaigns, and a personal do-not-contact list.
WAVV is therefore a focused fit for agencies that live in HighLevel and want a marketplace-installed dialer. It is much less relevant outside that ecosystem.
Trellus also supports HighLevel, but the right comparison is the actual workflow—not a generic feature checklist. See how Trellus works with GoHighLevel, then run the same smart list, opportunity stage, dispositions, tags, notes, and callbacks through both products.
Choose WAVV when: HighLevel is the center of the agency and a three-line marketplace-installed dialer fits the team.
Choose Trellus when: the team wants HighLevel calling plus the same Trellus workflow across other supported CRMs, sales platforms, data tools, or spreadsheets.
9. VICIdial: self-hosted contact-center control
VICIdial is an open-source inbound, outbound, and blended contact-center suite built around Asterisk. It supports web-based agent and admin interfaces, manual and agent-controlled calling, broadcast and predictive campaigns, recordings, callbacks, custom dispositions, DNC lists, reporting, remote agents, and multi-server deployments.
There is no software licensing cost under its current open-source license. That does not make the system free to operate. A buyer still needs servers or hosting, telephony trunks, numbers, configuration, monitoring, upgrades, security, backups, and people who understand the stack.
VICIdial makes sense when the organization wants deep contact-center control and has technical ownership. It is usually too much system for a rep who simply wants a faster call block from a CRM list.
Choose VICIdial when: self-hosting, predictive campaigns, detailed administration, and contact-center control are deliberate requirements.
Look elsewhere when: the team wants an immediately managed SaaS product or embedded CRM dialer.
What is the cheapest dialer for cold calling?
The cheapest sticker price and the lowest operating cost are not always the same.
VICIdial has no software licensing fee, but it requires infrastructure, telephony, setup, and administration. A low-priced power-dialer plan can become expensive when numbers, minutes, recordings, AI, spam protection, and CRM features are added. A quote-only platform may cost more per seat but replace separate data, coaching, and manager tools.
Use this budget check:
| Cost to compare | Ask the vendor |
|---|---|
| Seats | Is there a minimum, and can occasional callers use a lighter seat? |
| Dialing mode | Is power, parallel, or predictive dialing included in the quoted plan? |
| Phone service | Which countries, numbers, and minutes are included? |
| Number health | Are registration, rotation, monitoring, and replacement included? |
| Data | Are mobile numbers, enrichment, and verification bundled or credit-based? |
| AI | Are summaries, coaching, research, and scorecards included or metered? |
| CRM workflow | Which lists or tasks can start a session, and what returns after the call? |
| Administration | How much setup, migration, training, and ongoing ownership does the system require? |
For an individual or small team, start with products that publish their plan and let you test the real workflow: Trellus, WAVV, PhoneBurner, JustCall, Close, and Salesfinity currently publish self-serve or public pricing paths. Orum and Nooks currently use custom quotes. Reopen every pricing page before signing because plan packaging changes.
Run the same 50-contact dialer trial
Do not let each vendor choose a different demo list. Use one fictional or properly approved 50-contact set in every finalist.
- Put the same 50 records in the real starting system.
- Include two phone fields, five missing numbers, five bad numbers, five callbacks, and several records that need notes or dispositions.
- Run the mode the team intends to buy for one hour.
- Track setup time, live answers, connection delay, wrong-person calls, dropped or cancelled attempts, voicemail handling, and manual steps.
- Inspect every record after the session. Check the call result, note, disposition, task state, callback, recording, and owner.
- Ask a manager to review the block and find the calls that need coaching.
- Price the exact seats, numbers, minutes, data credits, AI usage, onboarding, and administration used in the test.
Choose the product that creates the cleanest repeatable call block for the team’s real list and follow-up process, not the one with the biggest demo counter.
Frequently asked questions
What is the best dialer for cold calling?
There is no single best dialer for every cold-calling team. Trellus keeps power or parallel dialing inside supported CRMs, sales platforms, data tools, and spreadsheets. Nooks, Orum, and Salesfinity use a separate outbound workspace. PhoneBurner focuses on one-to-one power dialing. Close combines the dialer and CRM. WAVV is built around HighLevel. VICIdial is for teams that want to operate a self-hosted contact center.
Is a power dialer or parallel dialer better for cold calling?
Use a power dialer when one-to-one pacing, context, and control matter most. Use a parallel dialer when the list is large, answer rates are low, and dead ring time is the bottleneck. Test both on the same list before committing the team.
Can a cold calling dialer work inside a CRM?
Yes. Trellus works from supported views and tasks in platforms including HubSpot, Salesforce, GoHighLevel, Attio, Salesloft, Outreach, and Apollo. Other vendors may sync or import CRM data into a separate dialer workspace. The important question is where the rep starts and what gets written back after the call.
Is an auto dialer the same as a power dialer?
“Auto dialer” is a broad term for software that automates outbound dialing. A power dialer is one specific mode that calls the next record one at a time. Parallel and predictive dialers automate multiple attempts in different ways.
Which cold calling dialer is best for a small sales team?
A small team should favor a short setup, public pricing, and a workflow that does not require extra administration. Trellus works when the team keeps its current sales platform. Close is relevant when the CRM and phone system should be combined. PhoneBurner focuses on one-to-one power dialing. JustCall also covers business telephony.
Does Trellus work with GoHighLevel?
Yes. Trellus can work supported HighLevel smart-list and opportunity-stage workflows, then return supported notes, dispositions, tags, summaries, and callbacks. The GoHighLevel integration page shows the workflow.
Does Trellus work with Attio?
Yes. Trellus can use supported Attio People lists or Tasks for power or parallel calling and return supported outcomes and follow-up context to the Person. See Trellus for Attio.
See Trellus in your current platform Browse Trellus integrations
Sources
This guide was checked against current first-party product, help, integration, and pricing pages on August 28, 2026. Product scope, plan access, and prices can change.
Trellus
- Trellus integrations
- Trellus pricing
- Trellus sales dialer
- Trellus power and parallel dialing walkthrough
- Trellus launch: power and parallel dialing across supported platforms
- Trellus launch: Attio, lemlist, HubSpot, Amplemarket, Salesforce, and Google Sheets
- Trellus launch: Google Sheets and GoHighLevel
- Trellus launch: Attio
Orum
Nooks
Salesfinity
PhoneBurner
JustCall
Close
WAVV
VICIdial
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