Global Communications & Connectivity Platform

Communications
Without Complexity.

CELLCO brings messaging, voice, mobile connectivity, wireless networks and artificial intelligence together through one global communications platform. One account. One integration. One communications ecosystem.

Talk to CELLCO ↗ Explore APIs
MessagingVoiceAIWirelessMobile
✦
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Accreditations & Certifications

Trust, independently verified.
GSMA™ Member. ISO 9001 and ISO 27001 certified.

Communications infrastructure built on recognised global standards for quality management and information security.

Industry membership

GSMA™ Member

Member of the global mobile industry association.

Certified

ISO 9001

Quality Management System.

Certified

ISO 27001

Information Security Management System.

✓ Encryption ✓ Role-based access ✓ Audit logs ✓ Fraud monitoring ✓ Data protection ✓ Business continuity
Communications Without Complexity

One Platform.
Multiple Possibilities.

Managing separate telecom operators, messaging providers, voice carriers, eSIM suppliers, Wi-Fi systems and AI platforms creates unnecessary complexity. CELLCO brings these capabilities together.

↗
Messages
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Programmable messaging

Messaging

Reach customers through SMS, OTP, A2P messaging, WhatsApp, RCS, Email and Push.

SMSRCSWhatsApp
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Live call
● Connected
Global voice infrastructure

Voice

Connect businesses and telephone networks through wholesale voice, SIP trunks, DIDs, programmable Voice APIs, PBX and contact-centre services.

SIPDIDCloud PBX
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Conversational automation

AI

Deploy intelligent voice and digital agents that can answer questions, qualify leads, manage bookings, support customers and automate conversations.

Voice agentsTranscription
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📶💻📱🖥️
Intelligent Wi-Fi

Wireless

Build and manage intelligent Wi-Fi networks across hotels, campuses, accommodation, retail, healthcare and enterprise environments.

Managed Wi-FiOpenRoaming
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Profile installed ✓
Connectivity that travels

Mobile

Connect people and devices through eSIM, travel connectivity, IoT connectivity, roaming and emerging mobile-network APIs.

eSIMRoamingNetwork APIs
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✉ /messaging 200 OK
☎ /voice 200 OK
▣ /esim 200 OK
✦ /ai 200 OK
One technology layer

Communications API

Integrate once. Communicate everywhere. The technology layer connecting the entire ecosystem.

RESTSMPPWebhooks
Omnichannel engagement

Reach Every Customer.
On Every Channel.

Communicate with customers through the channels they already use. Combine Email with SMS, WhatsApp and Push to create coordinated omnichannel experiences.

CELLCO
✉SMS ✆WhatsApp ◆RCS ☎Voice @Email 🔔Push
Every channel, one integration
✓SMS
✓OTP & Authentication
✓A2P Messaging
✓RCS Business Messaging
✓WhatsApp Business
✓Email
✓Push Notifications
Explore Messaging ↗
CELLCO Communications API

One API.
A World of Connectivity.

Instead of integrating separately with multiple carriers, messaging platforms and technology vendors, integrate once with CELLCO. Build communications into applications, automate customer journeys and manage global connectivity from one environment.

Explore CELLCO API ↗
✉ SMS
◆ RCS
✆ WhatsApp
☎ Voice
# Numbers
@ Email
▣ eSIM
✦ AI
eSIM
Profile installed ✓
TravelRemote teamsIoT deployments
CELLCO Mobile · eSIM

Provision connectivity digitally.
No physical SIM required.

Provision digital connectivity without relying on physical SIM distribution. Manage activation and usage through a digital platform and API.

Use eSIM for
✓Travel
✓Corporate connectivity
✓Connected devices
✓Remote teams
✓IoT deployments
✓Digital products
Explore eSIM ↗
CELLCO Orchestrate

Businesses define the outcome.
CELLCO manages the complexity.

Instead of asking businesses to decide which channel or network should deliver every interaction, CELLCO Orchestrate can intelligently select the appropriate communications path.

You define

What the interaction needs to achieve.
01
Customer preferencesHow each customer prefers to be reached
02
Business rulesThe logic your business operates on
03
Delivery requirementsWhat must arrive, and how reliably
04
The outcomeThe result you need
+

CELLCO manages

The communications complexity behind it.
◆
Channel availabilityWhatsApp → RCS → SMS
◆
CostCommercial optimisation across routes
◆
Intelligent routingPush → WhatsApp → SMS → Voice
◆
Network selectionAcross suppliers, channels and networks
Businesses define the outcome. CELLCO manages the communications complexity. See Orchestrate ↗
Built for Global Scale

Five million messages.
Or a single eSIM.

Send five million SMS, terminate millions of voice minutes, provision hundreds of numbers, deploy enterprise SIP trunks or activate thousands of eSIMs — CELLCO orchestrates the infrastructure behind it.

Design my solution ↗
✉
✉Messaging
5M
SMS messages sent
☎
☎Voice
2M
Voice minutes terminated
#
#Numbers
500
Telephone numbers provisioned
🔌
🔌SIP
100
Enterprise SIP trunks deployed
▣
▣eSIM
20K
eSIMs activated
📶
📶Wireless
Wi-Fi
Users connected across venues
✦
✦AI
AI
Voice agents deployed
Why CELLCO?

One relationship. Global possibilities. Communications, AI and connectivity under one ecosystem⁠—⁠designed to work individually or together.

Communications, AI and connectivity under one ecosystem

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One Platform — messaging, voice, AI, wireless and mobile, operated together.

✉
MessagingSMS · RCS · WhatsApp
☎
VoiceSIP · DID · PBX
✦
AIAgents · Transcription
📶
Wireless & MobileWi-Fi · eSIM

Reduce technical complexity through unified integrations

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One API — integrate once, activate the services you need.

✉ /messaging 200 OK
☎ /voice 200 OK
▣ /esim 200 OK
✦ /ai 200 OK

Intelligent Routing

↗

Optimize communications across suppliers, channels and networks.

1WhatsApp
2RCS
3SMS
4Voice

One Account

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Manage services, users and commercial relationships centrally.

⚙AccountActive
Users24
API keys6
BudgetsSet

Transparent Reporting

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Understand usage, performance and spending.

📊Delivery rate

Global Connectivity

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Build on relationships with carriers, MNOs, technology providers and connectivity partners.

Enterprise Support

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Commercial, technical and operational support for business-critical communications.

💼
CommercialAccount team
🛠️
TechnicalIntegration
🛰️
Operational24/7 network

Built for What's Next

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From SMS and voice today to AI, eSIM, Wi-Fi roaming and programmable mobile networks tomorrow.

AI agentseSIMWi-Fi roamingNetwork APIsOpenRoaming
Developers

Start with one service.
Add more as your application grows.

Build communications and connectivity into your applications without rebuilding telecommunications infrastructure. The integration remains within the CELLCO ecosystem.

cURL
Node.js
Python
✉
StartSMS today.

Send high-volume business SMS globally through enterprise APIs and carrier connectivity.

/messaging
☎
NextVoice tomorrow.

Build click-to-call, voice authentication and automated calling into your application.

/voice
✦
ThenAI next month.

Deploy AI agents that answer calls, qualify leads and book appointments.

/ai
▣
ScaleeSIM in your next product.

Provision digital connectivity without physical SIM distribution.

/esim
🧩
ExtendNetwork APIs when you need them.

Number verification, SIM-swap information and device intelligence.

/network
View Documentation ↗Get API Key
Industries

Communications infrastructure
for every industry.

See all industries ↗
Enterprise

Tell Us What You Need.
CELLCO Orchestrates the Rest.

One CELLCO relationship
One enterprise account
One communications API
One consolidated reporting environment
One support structure
Design My Solution ↗
Start building

Your business has a communication requirement.
CELLCO has a way to connect it.

Messaging. Voice. AI. Mobile. Wireless. One communications and connectivity ecosystem designed for modern global businesses. Start with one service. Scale to the entire platform.

Talk to CELLCO ↗ Start Building Explore APIs