Future-Proof Your Phone System

Switch from costly, outdated phone lines to cloud-based SIP trunking that scales with your needs.

With Signalmash, you get carrier-grade call quality, faster onboarding, and white-glove support so your communications just work.

Future-Proof Your Phone System
What is SIP Trunking?

What is SIP Trunking?

SIP (Session Initiation Protocol) trunking connects your phone system to the Public Switched Telephone Network (PSTN) using your internet connection instead of physical lines.

With SIP trunking from Signalmash, you can:

  • Cut Costs: Replace expensive on-premises equipment with flexible, internet-based voice infrastructure.

  • Scale on Demand: Instantly add or remove phone lines—no hardware required.

  • Expand Globally: Call and connect from anywhere, with local presence in every U.S. market.

What Is a Local Number?

A local number is a geographically assigned phone number in the U.S. or Canada that helps your business establish a local identity. Even if your team operates remotely, customers feel they’re calling a nearby business building trust, familiarity, and stronger engagement.

SMS/MMS

Global messaging

AI Agents

Smart automation

Voice API

Crystal clear calls

RCS

Rich messaging

SIP Trunking Services

Local Termination: Cost-Effective Outbound Voice

Deliver clear, affordable outbound calls across the U.S. with direct Tier-1 carrier connections and transparent pricing.

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Local Origination: Seamless Inbound Voice

Establish a local presence and receive inbound calls anywhere in the U.S. with high-quality, reliable service.

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Toll-Free Origination: Nationwide Reach

Offer customers a professional, easy-to-remember toll-free number for inbound calls, engineered for reliability and competitive cost.

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How to Get Started with Local Numbers

Setting up a local number with SignalMash is simple and fast:

Sign Up

Create your account at portal.signalmash.com

Choose a Plan

Select and fund the plan that fits your needs.

Register & Buy Numbers

Submit business details and purchase your numbers.

Route & Go Live

Configure routing via SIP or call forwarding and start connecting with customers.

Why Choose Signalmash
SIP Trunking?

Unlike “big-box” CPaaS providers, Signalmash combines enterprise-grade reliability with a partnership-first approach:

Direct Carrier Access

AT&T, Verizon, T-Mobile, and Bandwidth for crystal-clear calls and fewer hops.

Elastic Infrastructure

Scale automatically with your business needs, pay only for what you use.

Transparent Pricing

Simple, predictable rates with no hidden fees.

Unmatched Support

Real-time help from experts through your own Slack channel.


FAQs

What is a trunk group?

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A trunk group is a collection of SIP trunks that manage call traffic. With Signalmash, you can organize and optimize trunk groups for better reliability and cost control.

Why do my calls show as ‘Scam Likely’?

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 Caller ID reputation matters. Signalmash helps you register and authenticate calls with STIR/SHAKEN and branded caller ID to ensure your business calls get answered.

What if my internet goes down?

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We provide automatic failover and call forwarding to keep your business reachable at all times.

Need Help?

Whether you’re replacing legacy phone lines or scaling a contact center, we’ll guide you every step of the way.