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Calls brings phone calls into Workstation. You connect or buy a phone number, and calls ring teammates in the browser. Missed calls, voicemails, recordings, and AI summaries land in Inbox as conversations, and the Calls page keeps the full call history.

Calls is part of the Inbox & Calls add-on. Call minutes, numbers, and recordings are paid from your AI balance.

  1. Connect a phone number.
  2. Give teammates calling access and extensions in Settings → Inbox → Calls.
  3. Adjust the number’s ring, voicemail, recording, and business-hours settings.
  4. Optionally edit the number’s call flow to add a phone menu, extensions, or an AI agent.
  5. Check your microphone and speaker in Settings → Your Account → Audio settings.

Open Settings → Inbox → Channels → Connect a channel → Phone Calls.

  1. Choose a Country.
  2. Under Numbers assigned to you, select Connect on a number already assigned to your workspace, or select Select number to buy one. You can search By city, By area code, or Toll-free.
  3. Choose the inbox the number’s conversations go to.
  4. Confirm with Add number. A bought number renews monthly until you release it. You can turn on Record answered calls here.

Some numbers need regulatory verification and can’t be bought from this screen yet.

Open the number from the channel list, or from Settings → Inbox → Calls → Numbers.

Section What you set
Ring & voicemail Channel name, extra numbers to ring, Ring timeout (seconds), voice language, and the Voicemail greeting
Call recording On or off, and Delete recordings after 30 days, 90 days, 180 days, or 1 year
Business hours Time zone and opening hours. Outside these hours, calls skip the team and go straight to voicemail
Missed-call WhatsApp follow-up An approved WhatsApp template sent automatically after a missed call
Outbound calling The countries you allow outbound calls to. Outbound calling stays off until you add at least one

Recording calls may require the caller’s consent where you operate. That responsibility is yours.

Settings → Inbox → Calls has three tabs:

  • Extensions — turn Calling access on for each member and give them a 2–6 digit Extension. Auto-assign all numbers everyone in one step.
  • Numbers — every call number, with links to its settings, plus Connect a number.
  • General — your voice account status and outbound calling reach.

A teammate needs calling access to place and receive calls in the browser. In Settings → Team, open a member to set the numbers they may call from and their Default calling number.

Place a call from:

  • the Dialer (keypad icon in the header), with Keypad, Contacts, Team, and Recents tabs. The keypad can dial a phone number or a teammate’s extension.
  • the phone button on a contact record or an inbox conversation.

Choose the number to call from in Call from. The phone button’s menu also offers Call with AI agent…, which has an AI agent place the call for you; you give it the reason for the call and see a cost estimate before you Start call.

Incoming calls show a card with the caller’s number, the matched contact, and Accept or Decline. During a call you can mute, hang up, and open call details to check connection quality and switch microphone or speaker.

A call flow decides what happens when someone calls a number. Open a number’s settings and select Call flow.

New numbers start with a Default flow that rings the team and then goes to voicemail. You can build other flows and choose which one is Live. Edits stay as Unpublished changes until you Publish.

Flows are built from steps:

Step What it does
Ring users Ring teammates in the browser, plus any extra phone numbers
Voicemail Record a message after a greeting
Play message Speak a message to the caller
Forward call Send the call to another phone number
Phone menu “Press 1 for sales, 2 for support…”
Dial by extension Let the caller type a teammate’s extension
Business hours Branch on whether the number is open or closed
Go to Continue at another step
AI agent Let one of your AI agents handle the call

Steps branch on results such as If call is missed, Open or Closed, or the digit pressed.

The Outbound AI calls tab holds the flow for calls an AI agent places. It can check for an answering machine first and hang up or leave a message.

The AI agent step hands the call to one of your AI agents that supports calling. Choose the agent, then set a Maximum call length. On outbound flows you also set the Purpose of the call, which the agent says right after introducing itself.

Everything else comes from the agent: its language, voice, welcome message, speaking style, and call functions such as transferring the caller to a teammate. The step shows a short summary of these settings and an Open agent settings link. Change them on the agent and publish it; every call flow that uses the agent picks up the change.

The agent must have a published calling model and voice before you can publish the flow. If an AI step has no agent, the call continues on its Fallback branch.

The Calls page lists every inbound and outbound call:

Column Shows
Call Direction and number; missed calls are marked
Contact The matched contact, opened in a side panel
Team member Who handled it, or AI agent
Status Ringing, In Progress, Completed, Missed, No Answer, Voicemail, Busy, Failed, or Canceled
Outcome and Sentiment The AI’s classification of the call
Recording Play the recording or voicemail

From, To, and AI summary columns can be added from the column picker. Use Search calls to find a call.

While an AI agent is on a call, teammates with listen permission can select Listen live to hear it without being heard.

Each call also appears as a card in the Inbox conversation, with the recording, AI summary, any extracted details, and the transcript. The contact record’s Calls tab lists calls with that person. Calls don’t create CRM activities; log one manually in Activities if you need it on the timeline.

Settings → Inbox → Outbound Campaigns dials a list of numbers with an AI agent.

  1. Select New campaign and set the name, Calling line, optional AI agent, and the objective.
  2. Set Concurrency (calls at once), Max attempts, and the retry delay.
  3. Open the campaign and paste numbers, one per line in international format.
  4. Start, pause, or resume the campaign and follow each number’s status.

Numbers on your do-not-call list, contacts marked Do Not Call, opted-out contacts, and countries you don’t allow are skipped automatically.

  • Settings → Inbox → Agent Testing simulates callers against your AI agent before it goes live. Each scenario has a caller persona, goal, and a rubric of what a good call must do. A test run scores the call out of 100 with a transcript. Test runs never create real records.
  • Settings → Inbox → Voice Analytics shows call volume, answer rate, AI-handled calls, talk time, cost, response latency, sentiment, and outcomes for the last 7, 30, or 90 days.
Permission Allows
voice_calls.view Open the Calls page and Voice Analytics
voice_calls.call Place and receive calls
voice_calls.listen Listen live to AI calls
voice_calls.settings Manage numbers, call flows, extensions, campaigns, and agent tests

Sandbox workspaces can’t connect numbers or place calls.