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Grasshopper setup guide

How to forward your Grasshopper number to an AI receptionist

Keep your existing phone number. Forward missed calls to CallWise AI. 10-second setup.

Start your 7-day free trialSee the steps
Used by home services, dental offices, and law firms

Forwarding setup — pick the mode that fits your business

Grasshopper supports up to 3 forwarding modes. Most businesses pick "When Busy or No Answer" so the phone rings first and CallWise picks up when you miss it.

Always OnWhen Busy or No AnswerRecommendedOut of Coverage

Forward all calls to CallWise

Route every call to AI.

  1. Log in to app.grasshopper.com
  2. Click your phone number in the sidebar
  3. Click "Extensions"
  4. Click "Add Extension" → choose "Phone"
  5. Enter CallWise number as the extension phone
  6. Under "Call Handling" for this extension, set it as the primary destination
  7. Save

Forward after your other phones ring

Your personal or office numbers ring first; CallWise is the fallback.

  1. Log in to Grasshopper
  2. Open your number settings → Extensions
  3. Keep your current extensions, add CallWise as a new extension
  4. Set call sequencing: try existing extensions first, then CallWise
  5. Save

Not applicable

Cloud VoIP — always reachable.

Grasshopper is always online. Use "busy_no_answer" pattern instead.
Prefer to use the Grasshopper web portal? Open Grasshopper settings →
ROI Calculator

How much are missed calls costing you?

Drag the sliders below. See your lost revenue in real time.

Calls missed per week5
050
Average revenue per customer$300
$50$5,000
CallWise plan$199/mo
Switch plans to see the ROI difference

You lose

$6,450/month

That’s $77,400 per year.

CallWise pays for itself 32x over.

Your revenue saved$6,450/mo
Your CallWise cost$199/mo

Calculation: calls missed per week × 4.3 weeks × revenue per customer. Actual results vary based on industry conversion rates and closing efficiency.

Frequently asked questions

Does this work with Grasshopper?

Yes. Grasshopper uses a web portal for call forwarding, and CallWise AI works with every US carrier. The dial codes on this page are the exact sequences Grasshopper documents as their official call forwarding feature.

Will I lose my phone number?

No. Call forwarding does not change who owns the number — you keep it. Forwarding simply routes calls to CallWise AI when you can’t answer. You can turn it off any time and calls return to ringing your phone normally.

Can I turn forwarding off later?

Yes. One dial code turns it off: the cancel code for your carrier. Your phone returns to ringing normally within seconds.

How much does CallWise AI cost?

$199/month on the Essentials plan with 100 answered calls included. Every plan starts with a 7-day free trial — your first 10 calls are free. Cancel any time from the billing portal.

Ready to never miss another call?

7-day free trial. 10 calls on the house. Cancel anytime.

Start your 7-day free trial