Push-to-Talk for Ambulance, NEMT, Critical Care Transport & Medical Services | PeakPTT
Ambulance & Medical Services Communication
In Emergency Medical Services, the Communication System Isn't Support Infrastructure — It's Clinical Infrastructure.
From private ambulance companies and non-emergency medical transport to critical care transport, event medical services, and healthcare logistics — PeakPTT delivers the instant, nationwide push-to-talk communication that keeps crews connected, dispatchers informed, and patients moving toward care without delay.
Every minute in emergency medicine has a name. The golden hour. The platinum ten minutes. Time to first defibrillation. The clinical literature documenting the relationship between time and patient outcome in emergency medical services is among the most robust in all of medicine — and at the center of every one of those time intervals is a communication event. The call that reaches the closest unit. The update from the field crew to the receiving hospital. The coordination between the paramedic and the medical director. The dispatch instruction that gets the right resource to the right patient in the shortest possible time.
When communication fails in EMS, patients wait. When patients wait in emergencies, outcomes change. The communication platform an EMS operation runs is not a back-office decision — it is a patient care decision.
PeakPTT Push-to-Talk over Cellular is the EMS communication platform built for this standard. Instant transmission. Nationwide LTE coverage that follows crews wherever they respond. Live GPS positioning of every unit on the dispatch map. Emergency SOS on every device. And the flexibility to serve private ambulance companies, non-emergency medical transport fleets, critical care transport services, hospital-based EMS systems, and every other medical services operation that moves patients and coordinates care across communities, regions, and states.
What's Covered
- Why EMS communication demands are unique
- Every medical services sector PeakPTT serves
- Key operational and patient care benefits
- Real-world use cases by service type
- Recommended devices for medical operations
- Compliance, safety, and ROI
Why EMS and Medical Transport Communication Is Different From Every Other Industry
Most industries measure the cost of communication failure in dollars — missed deliveries, delayed service calls, overtime charges. In emergency medical services, the cost of a communication failure is measured in something else entirely. A crew that can't reach dispatch to confirm a receiving hospital. A BLS unit with a deteriorating patient that can't get medical direction online. A non-emergency transport that gets rerouted to a closer facility because the original hospital couldn't be reached before the crew was already en route.
Private EMS companies and medical transport operations occupy a unique operational space — they must meet the response reliability standards of emergency medical services while operating under the cost and efficiency pressures of a private business. That combination demands a communication platform that is simultaneously fast enough for genuine emergencies, reliable enough for regulatory compliance, and cost-effective enough to scale across a fleet without the infrastructure investment that legacy radio systems require.
Coverage Gaps at the Worst Possible Moments
EMS calls don't respect repeater range. Rural responses, basement patient locations, interior hospital corridors, and the geographic extremes of wide service territories all create dead zones where traditional radio systems lose contact with crews at exactly the moments when communication is most critical.
Dispatch Without Real-Time Unit Visibility
A dispatcher who doesn't know where units are in real time is making call assignments based on the last check-in — which may be 10 to 20 minutes out of date. In a system managing simultaneous calls across a wide area, that lag leads to suboptimal assignments, longer response times, and preventable delays in patient care.
Multi-Agency Coordination During Mass Casualty Events
MCI responses require instant communication across fire, EMS, law enforcement, hospital coordination, and incident command — simultaneously, across a chaotic scene with rapidly evolving information. Systems that can't support multi-channel, multi-agency coordination create confusion at exactly the moment clarity matters most.
NEMT Fleets Operating Without Effective Dispatch Communication
Non-emergency medical transport fleets running dozens of vehicles across wide service territories share many of the same dispatch challenges as emergency operations — without the legacy radio infrastructure that municipal EMS systems often have. Cell phones and consumer radios don't match the coordination demands of a professional NEMT operation.
Every Medical Services Sector PeakPTT Serves
The EMS and medical services industry spans a wide range of operational models — from high-acuity emergency response to scheduled patient transport, critical care interfacility transfer, and specialized medical event coverage. Each has its own communication demands, crew structure, and geographic footprint. PeakPTT serves all of them on one nationwide, infrastructure-free platform.
Private Ambulance — Emergency Response
- Instant dispatch-to-crew communication for 911 and emergency contract calls
- GPS fleet tracking for nearest-unit dispatch and response time optimization
- Real-time hospital notification and diversion status coordination
- Multi-unit scene coordination for multi-patient and high-acuity emergencies
- Emergency SOS with GPS for crew members in threatening patient care situations
Non-Emergency Medical Transport (NEMT)
- GPS fleet visibility for accurate patient pickup and appointment scheduling
- Real-time schedule changes and route adjustments communicated to drivers instantly
- Coordinate wheelchair van and stretcher car fleets across wide geographic territories
- On-demand dispatch for same-day bookings and urgent transport requests
- Document all transport activity with GPS timestamped records for billing verification
Critical Care & Interfacility Transport
- Maintain contact with critical care crews during long-distance interfacility transfers
- Coordinate with sending and receiving facilities throughout the transport chain
- GPS tracking of transport units across wide geographic and multi-state corridors
- Real-time medical direction contact for crews managing high-acuity patients en route
- Nationwide LTE coverage maintains contact through rural and remote transport routes
Event Medical Services
- Coordinate medical teams across large venue footprints — stadiums, festivals, marathons
- Deploy talk groups by zone, unit type, and command level for organized response
- GPS visibility of all medical units across event areas for rapid deployment
- Coordinate with event security, fire, and local EMS on shared or adjacent channels
- All-call broadcast to all medical personnel during mass casualty activations
Industrial & Occupational Medical Response
- Connect on-site medical personnel with emergency response teams at industrial facilities
- Coordinate medical response across large plant, refinery, and mining site footprints
- Integrate EMS communication with safety, security, and operations during incidents
- GPS tracking of medical response teams across large industrial properties
- Maintain contact in remote and underground facility areas where radios fail
Wilderness & Remote Medical Services
- LTE + Starlink WiFi extends coverage to wilderness and remote terrain response areas
- GPS tracking of wilderness medical teams across terrain where visual contact is impossible
- Coordinate search and rescue integration with medical response teams
- Emergency SOS with GPS for solo medical responders in remote environments
- Maintain contact with rescue coordinators during extended wilderness medical operations
Hospital-Based & Healthcare Campus EMS
- Connect hospital EMS units, rapid response teams, and campus security on one platform
- Coordinate response across multi-building hospital campuses and medical centers
- GPS visibility of all campus medical response units for incident command
- Integrate with ground ambulance crews for seamless in-hospital to field handoff
- All-call broadcasts for hospital mass casualty activations and emergency codes
Home Health & Mobile Medical Teams
- Connect mobile health clinicians with dispatch and supervisory medical staff
- GPS tracking of home health visit teams across wide urban and rural service areas
- Coordinate same-day urgent care dispatch to patient homes
- Emergency SOS for clinicians working alone in patient home environments
- Real-time communication between field teams and coordinating physicians or nurses
LTE-Powered Communication That Goes Where Your Crews Go
PeakPTT runs on AT&T's nationwide 4G LTE network — the same infrastructure that covers the roads your ambulances run, the communities your NEMT drivers serve, and the rural corridors where critical care transport units travel between facilities. One button press connects a paramedic on scene with dispatch, a crew chief with the receiving hospital's charge nurse, and an MCI commander with every unit on scene simultaneously — in under 300 milliseconds, anywhere in the country.
No repeaters to build. No FCC licensing to manage. No infrastructure investment to budget for. And no dead zones on the routes and in the locations where your crews actually work. For private EMS companies and medical transport operations managing costs and resources, this isn't just a communication upgrade — it's an operational and financial advantage over the legacy radio systems that require ongoing infrastructure investment to maintain coverage that still has gaps.
How PeakPTT Improves EMS Operations From Dispatch to Patient Handoff
Faster Dispatch — GPS Routes the Right Unit to Every Call
Response time is the most tracked metric in EMS performance measurement — and the most direct lever available to an EMS dispatcher is getting the right unit assigned to the right call as fast as possible. PeakPTT's integrated GPS tracking shows every unit's position on a live dispatch map, updated every 60 seconds. When a call comes in, the nearest available unit is immediately identifiable — without a round of radio calls to determine who's closest and when they'll be clear.
For private EMS companies with response time contractual obligations, NEMT operators managing appointment-based transport schedules, and critical care services coordinating time-sensitive interfacility transfers, this dispatch efficiency is a direct patient care and contract performance advantage.
Nationwide Coverage — Rural Responses, Long Transfers, Remote Terrain
Private EMS and medical transport services frequently operate across large geographic territories — including rural areas, remote highways, and the long corridors between regional hospitals and tertiary care centers where critical care transport units travel. These are exactly the environments where traditional radio systems lose contact with crews at the moments when communication matters most.
PeakPTT's AT&T LTE backbone maintains reliable contact across rural service territories, interstate corridors, and the geographic extremes of NEMT and critical care transport routes. For crews managing high-acuity patients during long interfacility transfers, maintaining contact with medical direction throughout the transport is a clinical capability — not just an operational convenience.
Multi-Channel Operations — Emergency, Transport, and Command on One Platform
A private EMS operation running both emergency and non-emergency services simultaneously needs communication channels that keep those operations organized without cross-contamination of radio traffic. PeakPTT's talk group structure puts emergency crews, NEMT drivers, supervisors, and command staff on their own channels — with operations supervisors able to monitor all channels and broadcast to any or all groups with a single transmission. When a mass casualty event requires all available units, the all-call broadcast reaches every crew regardless of what channel they're working on.
Hospital Coordination and Pre-Arrival Notification
Effective hospital pre-notification — alerting the receiving facility to an incoming critical patient with enough time to have the team, the room, and the resources ready — is one of the most evidence-supported interventions in emergency cardiac and stroke care. PeakPTT allows crews to communicate patient status, vital signs, and ETA to hospital coordinators who are on the same platform, without requiring the paramedic to manage a separate radio channel or phone call while also managing a critical patient.
For private ambulance companies serving hospital contracts, the ability to integrate seamlessly with hospital communication is a clinical and contractual differentiator that traditional radio systems with limited inter-agency capability cannot match.
Crew Safety and Emergency SOS — When the Patient Isn't the Only One at Risk
EMS providers work in environments that carry genuine personal risk — violent patients, unsafe scenes, hazardous materials exposures, and the physical demands of patient care in uncontrolled environments. Every PeakPTT device includes a dedicated Emergency SOS button that transmits an immediate alert to dispatch with the crew member's exact GPS coordinates. When a crew is confronted by a violent patient or bystander, when a crew member is injured on scene, or when a solo home health clinician encounters a threatening situation, the SOS response begins in seconds rather than waiting for a missed check-in to trigger a welfare check.
NEMT Fleet Management — Coordinate Schedules, Routes, and Exceptions in Real Time
Non-emergency medical transport operations run on schedules — appointments at dialysis centers, oncology clinics, skilled nursing facilities, and specialty practices that have no clinical margin for the kind of schedule disruption that communication failures create. When a NEMT driver encounters a schedule conflict, a vehicle breakdown, or a patient who isn't ready for pickup, the ability to communicate that exception instantly and get a real-time dispatch response is the difference between a managed delay and a missed appointment that affects a patient's care.
PeakPTT's GPS fleet visibility allows NEMT dispatchers to manage route exceptions proactively — reassigning pickup sequences, dispatching the nearest available vehicle to a cancelled slot, and coordinating patient transport schedules in real time rather than through the call-and-callback cycle that delays resolution and frustrates drivers, patients, and facilities alike.
Event Medical — Coordinated Response Across Any Venue
Medical coverage at large events — marathons, music festivals, stadium events, air shows, mass gatherings — requires medical teams positioned across wide and often complex venues, responding to incidents reported from any point in the crowd, and coordinating with event security, local EMS, and hospital resources simultaneously. PeakPTT's talk group structure allows event medical commanders to deploy teams by zone, maintain communication across the full venue, and trigger all-call broadcasts when a mass casualty situation develops — all on the same platform that the rest of the operation uses for routine medical responses throughout the event.
Documentation and Compliance — GPS Records for Every Unit, Every Response
EMS operations are among the most heavily documented in any industry. Response times, unit locations at key points in each call, crew activity records, and vehicle positioning data are all subject to contractual review, regulatory audit, and legal discovery. PeakPTT's continuous GPS tracking creates a timestamped record of every unit's position throughout every shift — documenting response time accuracy, arrival verification, and transport routing in a format that supports compliance reporting, contract performance documentation, and incident investigation.
For private EMS companies with municipal service contracts, NEMT operators billing Medicaid transport services, and critical care programs with institutional accountability requirements, this documentation capability is a compliance asset that reduces administrative burden and protects against dispute and audit risk.
Recommended Devices for EMS and Medical Transport Operations
PeakPTT offers two devices ideally suited to EMS and medical transport operations: a hardwired vehicle-mounted radio for the ambulance cab and a rugged IP67 handheld for field crews. Both run on the same platform, communicate on the same talk groups, and appear on the same GPS dispatch map. Both ship pre-programmed and ready to use. Both are backed by PeakPTT's lifetime hardware warranty with active service.
PTT-M14G hardwired in the cab — PTT-324G for field crews. Both on the same platform.
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Form Factor: Hardwired cab installation — mounts permanently in the ambulance or transport vehicle, wired to 12V power
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Network: 4G LTE primary on AT&T nationwide + WiFi expansion port for station and facility coverage
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Hands-Free: Compatible with optional Bluetooth one-touch PTT wrist button — fully hands-free operation for drivers and crew in the cab
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GPS Tracking: Built-in GPS — 60-second live fleet updates on the dispatch map
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SOS Button: Dedicated emergency alert with exact GPS coordinates to dispatch
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Audio: Built-in microphone — clear cab voice transmission, no shoulder mic required
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Certifications: FCC, PTCRB, AT&T carrier certified
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Setup: Ships pre-programmed — mount, connect to 12V power, turn on, and communicate
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Best For: Ambulance cab installations, NEMT wheelchair vans and stretcher cars, critical care transport vehicles, and any medical transport unit where the driver needs always-on hands-free communication without managing a separate handheld device
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IP Rating: IP67 — fully waterproof to 3.3 ft; survives blood, fluids, rain, and decontamination rinse
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Drop Rating: 5-foot drop tested — handles falls from ambulance cots, trauma bags, and vehicle steps
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Audio: 3-watt speaker + dual mics with noise cancellation — heard clearly over sirens, traffic, and scene noise
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Battery: 4,000 mAh Li-Ion — full shift capacity through extended calls and transfers
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Network: 4G LTE + WiFi (2.4G/5G) + Bluetooth 4.2
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GPS: GPS / GLONASS / BEIDOU / AGPS — 60-second tracking for dispatch visibility
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SOS Button: Dedicated emergency alert with exact GPS location
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Certifications: FCC, PTCRB & AT&T Carrier Certified
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Best For: Paramedics, EMTs, critical care transport nurses, event medical teams, wilderness responders, and any field medical personnel who need IP67 waterproofing, full ruggedness, and crystal-clear audio in chaotic emergency environments
The PTT-M14G in the cab and the PTT-324G in the hands of field crews creates a complete communication system for the ambulance — the driver stays connected hands-free through the vehicle-mounted unit while the paramedic or EMT carries a rugged, waterproof handheld that survives everything active patient care throws at it. The PTT-324G's IP67 waterproofing deserves specific emphasis for EMS applications: field medical personnel work in environments where body fluids, blood, IV solutions, and decontamination rinse are routine — and the PTT-324G is rated for full submersion to 3.3 feet, making it cleanable and compliant with the decontamination protocols that EMS equipment requires. For field crews, waterproof isn't a nice-to-have — it's a clinical hygiene requirement.
PeakPTT in Action: EMS and Medical Services Use Cases
Emergency Dispatch — Nearest Unit Assignment
A priority stroke call arrives during peak hours with three units in the field. Dispatch sees all three positions on the GPS map and identifies the closest unit clearing a BLS call 0.9 miles away. PTT broadcast reaches the crew in under a second. Unit acknowledges and is en route within 90 seconds of call receipt — meeting the stroke response time benchmark that directly affects patient outcome.
Critical Care Transport — Long Transfer
A critical care crew is transporting a post-STEMI patient 180 miles between facilities on a rural corridor well outside repeater range. They maintain continuous PeakPTT contact with the operations center and the receiving cardiologist throughout the 2.5-hour transfer — adjusting medications based on real-time medical direction without any loss of communication.
NEMT Fleet — Schedule Exception
A dialysis patient is not ready at pickup time, creating a domino effect on the following three appointments. The driver broadcasts the delay via PTT instantly. Dispatch reroutes the next available vehicle to the subsequent pickup, adjusts the schedule in real time, and contacts the dialysis center before the original appointment time — managing the exception before it becomes a missed appointment.
MCI Activation — Mass Casualty
A multi-vehicle accident with eight patients activates an MCI response. The operations supervisor broadcasts to all available units via PeakPTT all-call simultaneously. Four additional units acknowledge and are assigned to triage, treatment, and transport roles within 90 seconds. Hospital notifications go out on a separate channel. The entire activation is coordinated on one platform without a secondary communication system.
Event Medical — Stadium Response
A cardiac arrest occurs in the upper deck of a 60,000-seat stadium. The zone medical team broadcasts the code to all event medical units and the event commander. The nearest AED team reaches the patient in 3 minutes. The on-call ambulance is staged at the closest entrance with the stretcher ready. The patient achieves ROSC before leaving the venue.
Home Health — Solo Clinician Safety
A home health nurse conducting a complex wound care visit in a rural patient home activates SOS when the situation becomes unsafe. Dispatch receives her exact GPS coordinates immediately, dispatches law enforcement with the precise address, and attempts contact via PTT. Response is coordinated in under two minutes from SOS activation — time that would have been lost finding her location with a phone-based response.
Communication, Compliance, and the Healthcare Environment
EMS and medical transport operations operate in a compliance environment that requires attention to how communication tools interact with patient privacy and regulatory standards. PeakPTT's push-to-talk platform transmits voice communications — not patient data — and operates as a dispatch and coordination tool rather than as a clinical documentation system. The GPS tracking data generated by PeakPTT devices records vehicle and personnel locations, not patient information, making it a dispatch operations record rather than a protected health information concern under HIPAA.
For EMS operations subject to HIPAA and state EMS regulations: PeakPTT's communication platform handles dispatch coordination and crew communication — the same function that traditional radio systems perform. As with any radio communication in EMS operations, crews should follow their agency's standard operating procedures regarding what patient information is transmitted over radio channels. PeakPTT recommends consulting with your compliance officer when integrating any new communication system into clinical operations. The GPS and dispatch management data PeakPTT generates is operational data, not patient health information.
The Operational and Financial Case for PeakPTT in Medical Services
Private EMS and medical transport companies operate under simultaneous pressure from response time performance requirements, clinical quality standards, cost management expectations, and the regulatory compliance demands of the healthcare environment. Every communication improvement that reduces response times, improves dispatch efficiency, or reduces the administrative burden of documentation creates measurable downstream value — clinically, operationally, and financially.
Where PeakPTT Delivers Value in EMS and Medical Transport
Faster response times — GPS dispatch routes the right unit faster
GPS documentation supports contract compliance and response time reporting
More calls per shift — reduced dispatch friction increases operational throughput
Crew safety SOS protects field personnel in unpredictable patient environments
Hospital coordination — pre-arrival notification improves patient handoff quality
No infrastructure investment — nationwide LTE with zero tower or repeater cost
For private EMS and medical transport companies, even modest improvements in dispatch response time and unit utilization translate directly into more calls completed per shift, better contract performance scores, and the clinical outcomes that justify the investment in every review, every audit, and every contract renewal.
Why EMS and Medical Services Operations Are Choosing PeakPTT
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Nationwide LTE — no dead zones on the calls that matter most — Rural highways, hospital corridors, remote interfacility routes, and the geographic extremes of wide service territories all stay connected on AT&T LTE. Coverage follows your crews wherever the call takes them.
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GPS dispatch included — no separate fleet tracking system required — Every PTT-M14G and PTT-324G is a live GPS tracker. Dispatch sees every unit on a single map with 60-second updates, 90-day movement history, and geofencing alerts — all included in the standard service subscription.
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IP67 waterproofing on the PTT-324G — clinical hygiene matters — Full waterproofing to 3.3 feet protects against the fluid exposures that are routine in active patient care environments. The PTT-324G is cleanable and resistant to the decontamination protocols that EMS equipment requires.
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Emergency SOS on every device — crew safety in every environment — Dedicated SOS button on every radio transmits immediate alert with exact GPS coordinates. Standard protection for every paramedic, EMT, NEMT driver, and medical transport crew member at no additional cost.
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Talk groups for every operational layer — Emergency, NEMT, critical care, event medical, command, and hospital coordination all on their own channels. The right people hear the right information without cross-channel noise compromising response quality.
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Pre-programmed and ready on day one — No radio technician. No infrastructure. No programming delay. Devices arrive configured for your talk groups and operational structure. Your crews are communicating on the new platform the day the devices arrive.
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Scales instantly — add units as volume grows or contracts expand — Activate a new device, assign it to the right talk group through the management portal, and a new crew member is on-platform immediately. No frequency coordination, no FCC licensing, no infrastructure changes required.
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No long-term contracts — aligns with how EMS contracts work — Flat monthly per-device pricing. Add units when you add crews. Deactivate when contracts end or staffing changes. The communication platform scales with your operation without locking you into commitments that outlast the contracts they support.
Every Second of Communication Is a Second of Patient Care
In emergency medical services, the quality of the outcome doesn't begin when the paramedic reaches the patient — it begins when the dispatch call goes out. The communication system that gets the right crew to the right patient in the shortest possible time, keeps that crew in contact with medical direction throughout the call, coordinates the receiving hospital before the unit arrives, and documents everything for compliance and quality review is not background infrastructure. It is the operational backbone of everything an EMS system exists to do.
PeakPTT is built for this standard — for the private ambulance company serving a municipal contract, for the NEMT operator moving dialysis patients across three counties, for the critical care transport service connecting regional hospitals with tertiary centers, for the event medical team covering a 50,000-person venue, and for the home health clinician working alone in a patient's home at the end of a long day. Every one of them deserves a communication system that works as hard and as reliably as they do.
From the first dispatch of the morning shift to the last unit back at the station, PeakPTT keeps your crews connected, your patients moving, and your operation performing at the standard that EMS demands.
Ready to Upgrade Your EMS Operation's Communication?
Request a demo or get a custom quote for your medical services operation. Tell us your fleet size, your service type, and your current communication challenges — and we'll show you exactly how PeakPTT delivers for ambulance and medical transport operations.