Spam blocking

Block spam calls before they waste your time

Use AI to identify spam calls and block them automatically—so you can filter them out, avoid distractions, and never pay for them.

Visual example of a spam call from a toll-free number blocked by Upfirst AI receptionist with a red spam label and blocked status.
  • Save money

    Spam calls are not billed, so you’re not charged for calls that don’t matter.

  • Block unwanted callers

    Block toll-free numbers or specific contacts that you don't want to connect with.

  • Reduce noise

    Filter out spam summaries so you only get notified about real customer calls.

How it works

How to block spam automatically

Spam calls are a waste of time. Upfirst makes it easy to block them.

  1. Step 01

    Turn on spam blocking

    Spam blocking is included with every plan. You can choose to block all spam calls, specific contacts, or just toll-free numbers.

    Upfirst AI receptionist setup screen showing how a real estate agent can add info about showing availability and buyer/seller services.
  2. Step 02

    AI analyzes your calls

    If a call is marked as spam, you won’t be charged for it—and you can choose to mute notifications so spam calls don’t waste your time.

    Call transfer rule setup for a real estate agent, showing how to forward tour requests or property inquiries to a mobile number.
  3. Step 03

    Enjoy spam-free life

    Your Upfirst dashboard shows exactly how many spam calls your receptionist blocked, so you know how much time you saved.

    AI receptionist greeting an incoming call for Lemon Tree Real Estate, demonstrating 24/7 answering service for realtors.

FAQs about our spam calling feature

Have a question that isn't answered here? Get in touch with our team.

  • Upfirst analyzes the conversation content using AI to identify spam calls automatically. If we ever get it wrong, and spam calls send you into overages, just email support@upfirst.ai and we'll make things wring.

  • No. You are not billed for calls identified as spam. You can easily see from your call log which calls were counted as spam.

  • Yes. Spam calls are labeled and visible in your call history, but you can filter them out.

  • That's up to you. You can choose whether or not you want to get email and text notifications about calls your receptionist detected as spam.

Get started for free

Put your credit card away. You can try our AI answering service without entering any payment info. It's risk-free.