
September 2023 Releases
Every call is a chance to either connect with a customer–or lose them forever. If your phone numbers are getting flagged, mislabeled, or ignored, you’re not just missing connections, you’re missing revenue.
Too many contact centers operate with outdated, manual number management strategies, leading to low answer rates, compliance risks, and wasted budget.
By optimizing phone number inventory management and proactively protecting phone number reputation, you can boost answer rates, reduce spam labeling, and ensure every dial leads to a real conversation, not a dead end.
In this guide, we’ll break down exactly how to:
It’s time to stop throwing numbers at the wall and hoping they stick. Let’s get into it.
If your calls aren’t getting answered, it’s not just bad luck—it’s bad number management.
Manually rotating numbers? Guessing which ones are “healthy”? That’s the old way. It’s time to take a data-driven approach that automatically maximizes contact rates while keeping your numbers clean and trusted.
For brands making over 100K calls per month, automation isn’t optional—it’s essential. High-volume dialing requires a structured approach to prevent spam flags and maintain compliance. If you're dialing more than 5K calls per week, you need a strategic number rotation and reputation management plan to sustain high answer rates.
Let’s break it down.
Phone carriers and spam algorithms are constantly tracking your phone number activity—and if your numbers look suspicious, they’ll get flagged, leading to:
According to industry research, 20-30% of business calls are mislabeled or blocked. That means 1 in 3 of your calls may never reach a customer.
And here’s the kicker: manually swapping numbers doesn’t fix the problem. In fact, overloading your dialer with too many numbers can actually increase the likelihood of spam flags.
So what’s the solution?
Regal’s Automated Phone Number Inventory Management, powered by OutboundANI, flips the script. Instead of waiting for numbers to get flagged, this system proactively manages and optimizes every call.
Best practice: To keep your calls from getting flagged, make sure you supply enough numbers so that outboundANI can limit each to 50 calls per day. We recommend maintaining at least three numbers per area code, and large-scale teams should plan for around 1,000 numbers to ensure proper rotation and strong connect rates. Numbers are automatically refreshed every 30 days or after 100,000 dials to prevent overuse and protect number reputation.
With automated number management, you’re not guessing—you’re optimizing.
One high-volume home services brand came to Regal struggling with low answer rates and high spam labeling. Their contact center team had been manually rotating thousands of phone numbers, but it wasn’t working—calls still 🚀 weren’t connecting.
🚀 The Regal Fix:
📈 The Results:
The difference? Automation + data. Instead of playing whack-a-mole with spam-labeled numbers, they let Regal do the heavy lifting—ensuring every call had the best possible chance of connecting.
Some call centers think the answer is buying more numbers and swapping them frequently. Here’s why that doesn’t work:
What to do instead:
Instead of cycling numbers manually, OutboundANI automates FROM number selection using real-time analytics. This ensures calls are spread across a larger pool, selecting the best-performing number to avoid spam flags and increase connections. Brands making over 100K calls per month and managing 100+ FROM numbers will see the greatest impact.
Regal’s integrated approach ensures that you’re always dialing from the best possible number, every time.
At the end of the day, higher contact rates = higher revenue. If your calls don’t connect, your team can’t close deals.
With Regal’s Automated Phone Number Inventory Management, you get:
Stop losing calls. Start optimizing every dial.
Next up: We’ll break down how to maintain and improve your phone number reputation—so your calls don’t just connect, they get answered.
Even with a solid phone number inventory strategy, your numbers are only as good as their reputation. If customers don’t trust your calls—or worse, if they see “Spam Likely” on their screen—you’ve already lost the battle.
Here’s the reality: Phone number reputation is everything in calling. It directly impacts contact rates, brand trust, and revenue.
Calls from local area codes have significantly higher answer rates compared to toll-free or out-of-state numbers. Using a balanced mix of local and toll-free numbers based on your target audience can improve engagement and trust.
So how do you keep your numbers clean, trusted, and optimized for long-term success? Let’s break it down.
Your phone numbers are constantly monitored by carriers, spam filters, and analytics providers like T-Mobile's Scam Shield, AT&T’s Call Protect, and Hiya. These systems analyze your calling patterns to determine whether your numbers are legitimate or potential spam.
If your numbers get flagged, expect:
Fact: Studies show that approximately 94% of customers won’t answer calls from unknown numbers or spam likely numbers.
The good news? You can actively manage your reputation and avoid these issues.
The best way to improve answer rates? Let customers know it’s you.
Branded Caller ID (BCID) displays your business name instead of a random number, reducing the likelihood of being ignored or flagged. Regal’s integrated Branded Caller ID & Spam Remediation ensures that:
Unregistered numbers are more likely to be flagged as spam. Ensure that all your phone numbers are registered and verified with:
Your phone number reputation can change daily, depending on call volume, dialing patterns, and consumer complaints.
What to do:
Best practice: If a number’s answer rate drops significantly, rest it for 2-3 weeks instead of replacing it immediately.
High call volume + short time frames = spam flag risk.
Carriers flag numbers that:
Instead, follow a structured cadence:
Using Branded Caller ID? Excessive calls from the same number can create a negative association—so maintaining the right balance is key.
If a number gets flagged as spam, continuing to use it makes things worse.
Instead of cycling in new numbers, identify and remove problem numbers before they damage your overall reputation. Regal’s automated phone number inventory management does this in real-time by:
The result? More calls answered, fewer flagged numbers, and higher ROI.
If a number gets flagged, don’t just swap it out—rest it for 2-3 weeks before reintroducing it. Identifying underperforming numbers early and removing them before they impact your answer rates is key to keeping your call center strategy efficient.
If a call goes unanswered, don’t let the lead go cold—send an SMS follow-up. Customers are more likely to respond when contacted through multiple channels, and SMS after a missed call can significantly increase response rates.
SoFi, a leading consumer fintech brand, was struggling with low answer rates and missed connections. Without a branded, data-driven approach, too many high-intent prospects ignored calls or failed to complete their loan applications.
🚀 The Regal Fix:
📈 The Results:
More customers picked up, more loans were funded, and SoFi maximized revenue—all without increasing call volume.
Every call you make either builds or destroys trust. If your numbers aren’t managed correctly, you’re losing revenue before the conversation even starts.
Regal’s AI-powered phone number inventory management ensures that every dial:
No more wasted calls. No more guesswork. Just better results.
Ready to take control of your call center strategy? Let’s make it happen.
Ready to see Regal in action?
Book a personalized demo.