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Humanizing technology at scale
Dial Zones was established with a clear vision: to empower outbound teams with world-class telecommunications technology. We specialize in high-performance AI predictive dialing, premium global carrier routes (SIP termination), and automated compliance solutions. Our mission is to provide the most reliable routes and smarter dialing tools that help businesses connect with more prospects and scale their operations globally.
Our Core Values
These principles guide every feature we build and every support ticket we answer.
Reliability above all
When sales are on the line, every second counts. We engineer for 99.99% uptime because downtime is not an option.
Global focus, local feel
We build tools that let teams scale internationally while maintaining the personalized touch of a local business.
Empowering human connection
We use AI and automation not to replace agents, but to remove friction so they can focus on what they do best: connecting.
Continuous innovation
The telecommunications landscape shifts rapidly. We invest heavily in R&D to ensure our clients are always ahead of the curve.
What is STIR/SHAKEN?
Confidence in the global telecommunications market is at an all-time low. Over 48% of calls go unanswered because recipients don't trust who is calling. STIR/SHAKEN is an industry framework implemented by the FCC to restore that trust.
It signs calls with a cryptographic digital signature that is verified by the terminating provider — proving the caller's identity and preventing spoofing.
STIR
Secure Telephony Identity Revisited
SHAKEN
Secure Handling of Asserted information using toKENs
Why it matters
Research suggests 40% of calls within the US are fraud-related. STIR/SHAKEN prevents illegal phone number spoofing and fraudulent robocalls — restoring trust across the entire industry.
- Stops illegal caller ID spoofing
- Reduces spam-labelled calls
- Increases answer rates by up to 20%
- Required by the FCC for all carriers
What Dial Zones is doing about STIR/SHAKEN
Relax. Dial Zones takes pride in running a progressive and fully secure network. We work closely with carriers to stay ahead of every industry change — so our clients are never affected.
- Fully compliant STIR/SHAKEN network
- A-level attestation for verified numbers
- Automatic DNC/TPS scrubbing built-in
- Real-time fraud detection on all calls
- PCI DSS Level 1 certified infrastructure
Call Attestation Grades
Full Attestation
The service provider fully knows the customer and their right to use that phone number.
Partial Attestation
The service provider knows the customer but cannot fully verify the source of the phone number.
Gateway Attestation
The provider has originated the call onto the network but cannot authenticate the call source.
STIR/SHAKEN Call Flow
How every outbound call from Dial Zones is authenticated and delivered as a trusted call.
Call Initiated
Your agent initiates an outbound call through Dial Zones.
SIP Invite Sent
A SIP INVITE is sent to the originating carrier provider.
Authentication Service
The call is digitally signed and graded by a STIR/SHAKEN authentication service.
Terminating Provider
The terminating carrier receives the signed call with its attestation token.
Verification
If the grade is A or B, the call is verified and passed through.
Recipient Receives Call
The prospect receives a trusted, verified call — no spam labels.
Leadership Team
Backed by decades of experience in telecommunications, distributed systems, and enterprise B2B support.
Sarah Jenkins
Chief Executive Officer
David Chen
Chief Technology Officer
Marcus Rowell
Head of Global Infrastructure
Elena Rodriguez
VP of Customer Success
Ready to join the dialing revolution?
Join 500+ businesses that trust Dial Zones to power their outbound operations.