Solution

Run calls with AI. Faster pickups, smarter handoffs.

You pick up the call, AI handles the rest. Summary, transcript, and recording are logged next to the customer's chat and email history. No standalone call tool. No personal phones. No shared landlines.

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Trusted by global B2C brands

Use Cases

No invisible calls. No lost context. No personal numbers exposed.

Features

Managers see every call, agents own the right ones

Smart call routing

Route incoming calls to the right workspace, team, or individual agent. Every call has a clear owner the moment it rings.

AI call summary

Generate a summary on every call automatically in the customer timeline. Teammates jump in without asking “what happened on the last call?”

Audio recording and transcript

Review compliance moments, train new agents on real calls, and skim any conversation in seconds.

Web and mobile calling

Handle calls on the web app at the desk, or on the iOS and Android mobile apps anywhere else. Same customer timeline, same user access controls.

Call transfer log

Audit who picked up, transferred, and finally resolved a call. Managers get a clear trail for coaching, escalation reviews, and customer follow-ups.

Call analytics (coming soon)

Track call volume, calls handled per agent, missed call rate, and average call duration. Spot where productivity drags, and costs add up.

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Setting up calls should be an easy call

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Bring your own Twilio number

Already on Twilio? Connect your number to SleekFlow and turn on Voice. SMS, MMS, and Voice all run through the same number.

Bring your own Twilio number

Buy a VoIP number from SleekFlow

Pick a US Toll-Free or US Local (10DLC) number inside SleekFlow. Singapore and more markets are rolling out next.

Buy a VoIP number from SleekFlow

Run voice in your omnichannel inbox

One wallet, one bill, every call in the customer timeline alongside WhatsApp, chat, and email. The full omnichannel inbox, finally with voice in it.

Run voice in your omnichannel inbox

Customer Highlights

SleekFlow customer success stories

Frequently Asked Questions

Is SleekFlow Voice a VoIP system?

Yes. SleekFlow Voice is cloud-based VoIP — calls run over the internet via Twilio's infrastructure, not traditional phone lines. You can buy numbers in SleekFlow or connect existing Twilio numbers.

Do I need a separate Twilio account?

No. You can buy a new number directly inside SleekFlow without setting up Twilio yourself, available for the US and Hong Kong right now. If you already have a Twilio number, you can connect it to SleekFlow regardless of country.

Which countries can I get phone numbers in?

US Toll-Free and US Local (10DLC) numbers are available at launch. Singapore is rolling out next, with Hong Kong, Malaysia, Indonesia, Brazil, and UAE in the pipeline based on local licensing. Talk to us if you need a specific market, we'll let you know where we are in that country.

Can my team take calls on mobile?

Yes. The SleekFlow mobile app has a dial pad, inbound call notifications, active call controls (mute, hold, transfer, record), and the full call history. Every call lands in the same customer timeline as web calls, with the same recording and AI summary.

How does billing work for voice calls?

Voice calls share the same SMS & Voice wallet as your messaging. Charges are per-minute based on Twilio's rates, deducted from your wallet balance. You'll see a usage breakdown in billing and can export it as CSV.

Does SleekFlow support IVR, voicemail, or call queuing?

Not today. SleekFlow Voice is built for teams handling calls inside a unified inbox, with smart routing and AI summaries on every call. If IVR menus, voicemail, or queue music are critical for your team, talk to us and we'd like to hear how you'd use them.

Is call recording and transcript data secure?

Yes. Recordings, transcripts, and AI summaries are stored on the same infrastructure as the rest of your SleekFlow data, with the same access controls and permissions. You can configure whether recording runs automatically or only when an agent toggles it on a per-call basis.

Can I use my own SIP trunk or carrier (BYOC)?

Not today. All numbers run through Twilio. Talk to us if SIP or BYOC is a hard requirement for your setup.

Does SleekFlow support WhatsApp Business Calling?

Not today. SleekFlow Voice handles standard phone calls via Twilio, separate from WhatsApp. Customers still reach you on WhatsApp for messaging, and on your Twilio numbers for calls. If WhatsApp Business Calling matters for your team, talk to us.

Automate your growth with SleekFlow

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