DIDWW gives your business virtual phone numbers in many countries. FlowMattic sends what happens on those numbers to Slack: an inbound call, an outbound call, a text message. Each number can post to the team that answers it, so a regional office, a support desk or a sales line sees its own calls and texts in the channel they already use.
3 triggers 14 actions 6 example workflows 2 ready-made templates Unlimited runs
When this happens in DIDWW3 triggers
Do this in Slack14 actions
1. TriggerReceive Voice IN Call Event2. ActionSend Channel MessageWhen DIDWW fires Receive Voice IN Call Event, FlowMattic runs Send Channel Message in Slack with the data from that event.
You build this in the FlowMattic workflow builder on your own site. See the setup steps
Each one uses only triggers and actions the two integrations ship today, plus FlowMattic's own tools. Where the library has a ready-made template, import it instead of building from scratch.
Ready-made templateThe front desk sees the caller's number and the line they dialled, so a missed call can be returned from the channel by whoever is free.
Receive Voice IN Call EventSend Channel Message
View the template Customers text the numbers on your invoices and adverts. Each SMS posts to the support channel with the sender and message, so replies do not depend on one handset.
Receive SMS INSend Channel Message
A Router reads the DIDWW number that received the SMS and posts it to the channel of the office for that country, so the German line reaches the Berlin team only.
Receive SMS INRouterSend Channel Message
A Lookup Table maps each DIDWW number to the person who owns it. Slack finds them by email and sends the call details privately, which suits direct dial numbers for sales reps.
Receive Voice IN Call EventLookup TableFind User by EmailSend Direct Message
Every call made through a DIDWW number posts to a private channel with the number dialled and the time, so the manager can see call activity without a separate report.
Receive Voice OUT Call EventSend Private Channel Message
An AI Agent reads each incoming SMS and marks it urgent when it reports an outage or emergency. A Filter lets only those through, and the on-call engineer gets a direct message.
Receive SMS INAI AgentFilterSend Direct Message
Once set up, every inbound call to your DIDWW number is posted to the front desk channel with the caller and the line dialled.
Connect a Slack account that can post in the front desk channel.
Create a workflow with this DIDWW trigger and follow its instructions to point your DIDWW number's events at the workflow.
Ring your DIDWW number from another phone, so FlowMattic captures a real inbound call event.
Add Send Channel Message, pick the channel and map the caller number, dialled number and time. Test the step and switch the workflow on.
1. Trigger in DIDWW
Receive Voice IN Call Event
2. Action in Slack
Send Channel Message
Fields mapped from the earlier steps (a typical setup)
| From DIDWW | To Slack |
|---|---|
| Caller number | Message: from |
| Dialled number | Message: line |
| Call time | Message: when |
A trigger starts a workflow. An action is something FlowMattic does in the app as a step.
DIDWW and Slack connect through FlowMattic on your own site, with no separate automation account in the middle and no charge per run.
Calls and texts to each DIDWW number reach the team or person responsible for it, wherever they are.
Texts to business numbers become Slack messages the whole team can see and answer from their own devices.
FlowMattic runs on your own WordPress site with unlimited runs, so a busy phone line adds no per-event cost.
Create a FlowMattic workflow with the DIDWW Receive Voice IN Call Event trigger and add Slack's Send Channel Message. Call your number once so the event is captured, map the caller and line into the message and switch it on.
Yes. Start with Receive SMS IN, add a Router with a path for each receiving number or country, and give each path its own Send Channel Message.
These workflows post incoming texts to Slack. Replies are sent from DIDWW or the phone system you use with it; the Slack message can include the sender's number so the right person answers.
Yes. Receive Voice OUT Call Event runs when a call is made through your DIDWW number. Post it to a private channel to keep a simple call log for managers.
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Reviewed 27 Oct 2026. The example workflows are written with AI from the real triggers and actions of both integrations and checked against them. DIDWW integration 1.0.0, Slack integration 1.0.
