CallDefender
Verified Business Number
Protect your Brand Image!
Pricing starts from USD$15 per month per number.



According to statistics,
more than 60% of the public chose to ignore
or
decline unfamiliar calls.
Show Your Brand Image.
Display company logo, name and purpose of the call clearly. Achieve 2x higher answer rates. Never be an unknown caller again!
*Due to system limitations, logos and call purposes are only applicable to Android users.


*The illustration shown is for reference only. The actual product may differ.
Register Company's Phone Number
Not only demonstrates positive brand images, but also allows customers to easily identify your company.
Creates Opportunities for Callbacks
Even if you're not in your customer's contact list, your company's information can still be clearly displayed in call history.


Cross-App Protection with Over Two Million Users
Call Defender, Whoscall, and more, we safeguard 2M+ users with clear company verification across apps and sites.
Call Defender Verified Business,
Protect Your Business’s Image!

Real-Name Verification
Call Defender’s rigorous real-name verification means verified phone numbers can really be trusted.

Both Operating Systems
Caller ID is supported on both iOS and Android, and communicates seamlessly with 2+ million users in Hong Kong.

Efficient Corporate Communication
Strengthen brand identity by making incoming calls instantly recognizable, improving customer communication rates.
Industry Use Case

Strengthen User Trust, Enhance Service Quality
With Whoscall’s Verified Business Number, we protect customers from scams and deliver better service experiences.

Boost Answer Rates, Improve Collaboration
After adopting Whoscall’s Verified Business Number, our e-commerce clients’ answer rates rose significantly. Conversations are smoother, and we can offer timely advice.
