Your own number or a new one: SIP trunks and phone numbers for a voice agent
How to choose between buying a number from Wenzy or connecting your SIP trunk: countries, number types, rates from US$0.18/min and setup steps.
Published October 27, 2026Author: Wenzy Editorial Team2 min read
Two ways to give the agent a number
| Criterion | Number bought in Wenzy | Your SIP trunk |
|---|---|---|
| Countries | Colombia, Panama, Mexico, Peru, Chile, Argentina, Brazil and the US | Any country |
| Types | Local, mobile, national or toll-free | The number your business already uses |
| Paperwork | Regulatory forms pre-filled in the app | Trunk setup with your telephony provider |
| Per-minute rate | By country and direction, from US$0.18/min | US$0.18/min inbound and outbound |
| Number fee | Monthly fee in the subscription | What you already pay your provider |
When a new number makes sense
- You are opening a line just for bookings or appointments.
- You want a local number in another country where you serve customers.
- Your business has no phone system with a SIP trunk.
When your SIP trunk makes sense
- Customers already know your number from your ads, cards and profiles.
- Your business already works with a telephony provider and a phone system.
- You serve customers from a country where Wenzy doesn't sell numbers.
Steps to activate the number
- 1Pick the optionA new number from the app or your own SIP trunk.
- 2Complete the paperworkFor numbers bought in the app, the regulatory forms come pre-filled.
- 3Set contact hoursThe agent's outbound calls follow those hours.
- 4Test the lineHave the agent call your own phone and review the live transcript.
- 5Top up the balanceFrom US$10, with optional auto top-up.
Calls at once by plan
| Plan (hotels · appointments) | Calls at once |
|---|---|
| Free trial | 1 |
| Basic · Esencial | 2 |
| Standard · Profesional | 3 |
| Professional · Clínica | 5 |
Frequently asked questions
Does the agent use WhatsApp calls?
No. The voice agent places and receives phone calls, not WhatsApp calls; after the call it sends a WhatsApp summary with the person's permission.
How much does my own SIP trunk cost?
US$0.18/min inbound and outbound, in any country, from the prepaid voice balance.
Does Wenzy move my current number?
It doesn't port numbers. You keep your number by connecting your business's SIP trunk.
Which countries does the agent call?
15 Latin American countries, Puerto Rico and the United States. Outbound calls to Venezuela and Uruguay are disabled.
TRY WENZY
Try the voice agent on your own phone
Create your free account: a 14-day trial with US$1.80 of voice balance and no card. Have the agent call you before you go live.
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