Voice is sexy again.

Embedded Phone System and VoiceAI for Platforms.

Or read the docs first. We get it.

Spineline practice management app on a laptop with a Screen Pop for an incoming call from Steve Morales, next to a smartphone dialer and a desk phone

Screen Pop inside a platform. Illustrative product mockup.

From the telco veterans that integrated voice into 100+ platforms serving 100,000+ small businesses.

Communications, Simplified

Phone System features your users will actually love.

Voice that lives where the work happens. Every call arrives with context, gets handled in one click, and writes itself into the record.

  • Screen Pop. The matched customer record appears the moment the phone rings.
  • Click-to-Call. Any phone number in your app becomes a button.
  • Activity Logging. Calls log themselves automatically. No sticky notes, no gaps.
  • AI Scheduling. Calls turn into booked appointments on the calendar.
Explore the feature guides
app.spineline.com/patients/margaret-chen
MC
Margaret ChenPatient since 2021, La Mesa, CA
(619) 555-0186
Recent activity
Outbound call, 6 min 12 secLogged automaticallyToday, 9:42 AM, by Dana R.
Appointment booked by AI SchedulingYesterday, 4:15 PM, adjustment Jun 17 at 10:30
Call summary: Margaret confirmed her Jun 17 adjustment and asked about moving to a morning slot. Flagged for front desk.

Click-to-Call and Activity Logging. Illustrative product mockup.

White label, all the way down

Your brand. Your experience. Our engine.

Most partners launch with our white-label admin portal: the complete telephony stack, dial plans, devices, numbers, and call analytics, wearing your brand from day one. No front-end build required. Your customers manage their phone system without ever leaving your world.

  • Visual call routing your customers build and edit themselves.
  • Users, devices, numbers, and analytics in one admin surface.
  • Your logo and colors on every screen. Ours on none.
Explore White Label
admin.spineline.com/telephony/dial-plans/ai-line
Account Jones Family Chiropractic
Platform Admin MSMike Sharp
AI Line Extension: 801
Schedule Ring All Internal Extension External Number Voice App Voicemail IVR Menu Audio Clip Hang Up
Auto LayoutSave
+−
Start
SCHEDULEBusiness Hours
Open
Closed
INTERNAL EXTENSION (5s)Amy Rodriguez (Ext. 100)
Timeout
VOICE APPControl mode
Timeout

The white-label admin portal: Spineline's customers build call routing visually, under Spineline's brand. Illustrative.

Platform management

One dashboard. Every account. Total visibility.

Onboard a new customer in minutes, not weeks. Watch provisioning, porting, and service health across your whole base from a single pane of glass.

  • Fast onboarding. Numbers, users, and devices provisioned in realtime.
  • Provisioning status for every account, at a glance.
  • Service health monitoring across your entire customer base.
Explore the admin guide
admin.spineline.com/voice
Voice operations
SL
248Accounts
1,312Numbers
All clearService health
AccountNumbersStatusHealth
Jones Family Chiro4 numbersActiveHealthy
Harborview Spine7 numbersActiveHealthy
Peak Motion Clinic2 numbersProvisioningSetting up
Cedar Chiropractic5 numbersPorting inHealthy
Align Wellness Group11 numbersActiveHealthy

The operator view for your team. Illustrative product mockup.

VoiceAI, built in

Your AI or ours. Calls flow seamlessly either way.

VoiceAI is more powerful when it is native to the phone system: your agent answers as a true extension, with full system privileges over calls, routing, and schedules from the first ring.

Incoming call Live user AI agent

Bring your own agent.

Already built a voice agent? Connect it through our API and it answers on real phone lines, with handoff to live users when the conversation needs one.

Explore BYO agent

Or start with the one built in.

Don't have an agent yet? One's included. It answers, schedules, and summarizes out of the box, so your platform ships AI calling without building an agent first.

Explore the built-in agent
Built for your vertical

Voice that speaks your industry.

Healthcare

HIPAA-ready voice inside practice management platforms. Calls match to patient records, and scheduling stays inside the chart.

HIPAA-ready Explore Healthcare

Home Services

Dispatch-ready Screen Pop inside FSM platforms. The job, the address, and the history surface the moment a customer calls in.

Explore Home Services

Automotive

Screen Pop and scheduling inside CRM and DMS platforms, so service advisors greet every caller by name with the vehicle on screen.

Explore Automotive
For developers

Ship voice like you ship features.

A clean REST API and TypeScript SDK, plus a webhook firehose that streams every call event to your backend in real time. VoiceAI drops into the same dial plans as your human users. And the docs ship with llms.txt and an OpenAPI spec, so your AI tools read them as easily as your engineers do.

Read the docs
webhook-event.jsonIllustrative
# Delivered to your backend the moment the call ends
POST https://api.spineline.app/webhooks/dialstack

{
  "event": "call.completed",
  "account_id": "acct_jones_chiro",
  "direction": "inbound",
  "from": "+16195550134",
  "matched_contact": "crm_8821",
  "duration_secs": 374,
  "answered_by": "ext_104"
}

200 OK # logged to Margaret Chen's record
Platform Foundation

We handle the hard stuff.

Your engineers see a clean API. Underneath it sits the compliance, carrier, and hardware machinery of running a regulated voice offering at scale. That part is our job, permanently.

You launch in days, not years. None of it ever lands on your roadmap.

POST api.dialstack.ai/v1/numbers 201 Created THE API LINE Platform operations DevOps, failover, admin portal Numbers and carrier networks Porting, CallerID, DA/DL, SIP trunks, call rating, load balancing Emergency E911, Kari's Law, RAY BAUM'S Act Regulatory FCC compliance, state-level licensing, STIR/SHAKEN, robocall mitigation Taxes and fees Universal Service Fund (USF), federal, state and local

Below the API line: platform operations, numbers and carrier networks, emergency, regulatory, and taxes and fees, all carried by DialStack.

See it inside your platform.

Bring an engineer. We'll walk your architecture, your vertical, and exactly how voice drops into your product. Launch in days, not years.