How Phone Numbers Work — VoiceForge Pro Help Center

Phone numbers are the gateway between your callers and your AI agent. This article explains how VoiceForge Pro provisions numbers, what happens when a call arrives, how billing works, and how to manage your numbers.

What a VoiceForge Pro phone number is

When you provision a phone number through VoiceForge Pro, you're renting a real, local telephone number in your chosen country. The number is indistinguishable from any other local number — callers dial it exactly as they would any other business number.

The number is assigned to your account until you cancel it, and is linked to one agent at a time. Every inbound call routes directly to the agent you've assigned.

📍

Real local numbers

Numbers have genuine local area codes. Callers trust local numbers and are far more likely to answer callbacks from a recognisable prefix.

🤖

Linked to one agent

Each number is assigned to exactly one AI agent. Every call to that number goes to that agent. You can reassign at any time from the agent's Telephone tab.

💳

Monthly rental

Numbers are billed monthly as part of your plan. Your plan specifies how many numbers you can hold — for example, AMPLIFY allows 3 numbers.

⚡

Instant provisioning

Numbers are live within seconds of selection. No waiting, no paperwork. Select from the available pool and it's immediately ready to receive calls.

How a call flows through the system

When someone dials your VoiceForge number, here's what happens — in under one second:

Call arrives at your number
The inbound call is received and routed to your VoiceForge account.
Number is matched to an agent
The system identifies which agent is assigned to the called number and loads its full configuration — system prompt, voice, training material, and call behaviour settings.
Agent answers
Your AI agent picks up and delivers the opening greeting. The call is now live and the agent handles the conversation using its training.
Call ends and is logged
A complete record is created in your dashboard — transcript, summary, caller details, urgency level, and duration. Credits are deducted from your plan allowance.

Credit consumption

Phone calls consume credits at 1 credit per minute, rounded up to the nearest minute. A 3 min 45 sec call uses 4 credits.

Credit consumption — phone calls

Call duration	Credits used	% of LIVE plan (85 cr)	% of AMPLIFY (180 cr)
1 min	1 credit	1.2%	0.6%
3 min (avg)	3 credits	3.5%	1.7%
5 min	5 credits	5.9%	2.8%
10 min	30 credits	11.8%	5.6%

Credits reset at the start of each billing cycle. Unused credits do not roll over.

Numbers vs agents

Your plan's number allowance and agent allowance are the same limit — each active agent needs exactly one phone number. On AMPLIFY (3 numbers), you can have up to 3 agents each receiving calls.

ℹ️

Agents without numbers can still be tested

You can configure and draft agents without assigning a phone number. Unassigned agents can still be tested via Test Mode using your browser microphone — they just can't receive real inbound calls until a number is assigned.

Managing your numbers

Go to Phone Numbers in the main navigation to see all active rentals. Each row shows the number, country, assigned agent, and status. From here you can buy new numbers, reassign agents, or cancel rentals.

Buy a new number — see Searching and selecting a number
Reassign a number to a different agent at any time
Cancel a number — it stays active until end of the billing period

⚠️

Cancelled numbers cannot be recovered

Once cancelled and the billing period ends, the number returns to the available pool and may be assigned to another account. If you need to keep a number long-term, don't cancel it even between agent reassignments.