Global software from Yeastar
Maintained and updated directly by Yeastar, with a Cloud PBX trusted against global standards.
Yeastar P-Series Cloud PBX
Enterprise cloud telephony with Yeastar P-Series Cloud PBX
Answer and make calls from anywhere using your business 02 number on mobile, desktop, or browser. Hosted on AWS Bangkok with Thailand data residency and PDPA-aware controls, backed by a 99.9% SLA.
Need technical details? Download Data Sheet · Download Catalog
- businesses trust us
- 4,500+
- Thailand data residency
- AWS Bangkok
- privacy-ready operations
- PDPA
- SLA with high availability
- 99.9%
What is Yeastar P-Series Cloud PBX?
A cloud phone system that brings PBX, contact center, and work-from-anywhere tools into one platform. Call On Cloud operates it on AWS Bangkok and connects your 02 number, IP phones, mobiles, and browsers.
HD softphone included
Make clear HD calls from mobile, desktop, or web while using your company number without extra hardware.
Ready CRM connections
Connect leading CRM and helpdesk platforms with ready connectors instead of custom development.
No PBX hardware to maintain
Avoid new PBX hardware, receive ongoing updates, and keep communication costs predictable.
Cloud PBX features for everyday operations
Everything your organization needs, from core business calling to a complete contact center.
Complete business telephony
IVR, call flows, ring groups, transfers, and recording in one business phone system.
Contact center ready
Manage inbound and outbound calls, monitor teams in real time, and measure performance instantly.
Work from any device
Use desktop, iOS/Android mobile, and browser clients while keeping your company number everywhere.
Ready CRM integrations
Connect Salesforce, Zoho, HubSpot, Microsoft, and more while logging calls into team workflows.
Open API and webhooks
Connect internal systems freely and receive call events in real time.
Admin control center
Manage users, configure calling, and review CDR reports from a secure web console.
Linkus App
Linkus — one app for every conversation
Call, answer, video chat, and meet from any device. Linkus connects seamlessly to Yeastar with a modern, simple, and secure experience.
- Mobile Client
- Desktop Client
- Web Client
- Chrome Extension
Why Call On Cloud
A local team, reliable infrastructure, and a practical rollout path for business communications.
PDPA
Complete business telephony
IVR, call flows, ring groups, transfers, and recording in one platform.
SLA 99.9%
High Availability
Automatic redundancy keeps your business connected when unexpected events occur.
Local Support 24/7
Thai support, 24/7
Local specialists are available every day through phone, LINE OA, and email.
4,500+ customers
Proven experience
Trusted by Thai businesses from SMBs to large enterprises and public organizations.
AI Ready
Ready for AI
Extend the same platform with Voice AI agents, call summaries, and transcription.
No Lock-in Cost
Transparent pricing
Clear per-user pricing that can scale with your actual usage.
Real-world business use cases
Healthcare
Multi-branch clinics
Route appointment calls from one 02 number to each branch with IVR, overflow handling, and PDPA-aware recording.
Retail / Wholesale
Mobile sales teams
Salespeople call from mobile using the company number, log every conversation in CRM, and give managers real-time visibility.
Logistics
Logistics contact centers
Queue parcel-status calls, distribute them automatically, and let supervisors monitor SLA during peak periods.
Connect Cloud PBX to your business systems
Ready connectors for popular platforms and an Open API for developers keep call data moving across your business tools.
Salesforce
CRM
HubSpot
CRM
Zoho CRM
CRM
Dynamics 365
CRM
Zendesk
Helpdesk
Odoo
ERP
Microsoft Teams
Collaboration
Microsoft Entra ID
SSO
Active Directory
Directory
LDAP
Directory
RESTful API
Developer
Webhooks
Developer
Cloud PBX plans and pricing
Choose the plan that fits your team and pay by user with transparent pricing.
Enterprise
Core business calling and contact center capabilities for growing organizations.
[XXX]THB / month / user
Minimum 5 users · billed annually
- IVR, queues, and ring groups
- Call recording and CDR reports
- Ready CRM connectors
- Inbound and outbound contact center
- iOS and Android apps
Ultimate
Adds video collaboration and disaster recovery for organizations that need maximum continuity.
[XXX]THB / month / user
Minimum 5 users · billed annually
- Everything in Enterprise
- Video conferences and calls
- Windows Active Directory integration
- Disaster recovery
Dedicated
A dedicated instance for large organizations and teams that need maximum control.
Contact sales
Designed around your organization
- Everything in Ultimate
- Dedicated organization instance
- Dedicated-only capabilities — details pending
Compare all features
A complete comparison of every plan feature.
Enterprise
Most popularUltimate
Dedicated
Core telephony
Admin Panel
Web administration console
IVR
Interactive voice response
Queue
Call queue management
Ring Group
Internal ring groups
Call Forwarding / Transfer
Call forwarding and transfer
Call Recording
Conversation recording
Auto CLIP
Central callback number
CDR Report
Call detail reports
Integrations
API / AMI
Data connectivity
CRM Connector
CRM connection
Microsoft 365 Integration
Google SSO Integration
Windows Active Directory Integration
–
Communications and contact center
Native Mobile Application
Mobile application
Omnichannel Messaging
Multichannel messaging
Inbound Call Center
Inbound contact center
Outbound Call Center
Outbound contact center
Video Conference
Video meetings
–
Video Calls
รองรับการโทรแบบวิดีโอ
–
Continuity and enterprise
Disaster Recovery
Disaster recovery
–
Dedicated Instance
Dedicated instance
–
–
Optional add-ons
Extend the platform around your real business usage.
DID Number
02 number: THB 1,200 / year
Call concurrency is THB 960 / year. Outbound calls are billed separately by destination and actual usage.
Voice Record
1,000 minutes: THB 2,400 / year
Conversation recording with an API for external storage.
Backup Voice Record
5GB (5,000 minutes): THB 1,500 / year
Nightly backup with online downloads and automatic cleanup when storage is full.
Voice AI — IVR voices
Choose from 6 voices
Professional greetings with Boss, Mac, Ken, Ploy, May, and Mind voices.
*Outbound calls are billed monthly by usage · prices exclude VAT.
Frequently asked questions
Where are call data and recordings stored?+-
The service is hosted on AWS Bangkok (ap-southeast-7), keeping data in Thailand with PDPA-aware controls. Organizations can define retention policies.
How long does setup or migration take?+-
Timing depends on users, numbers, and call-flow complexity. Our team reviews the current system and plans a low-impact migration.
How is the service billed?+-
The core service is billed annually by plan and user. Add-ons and calls are billed by item or actual usage.
What is call concurrency?+-
It is the number of inbound or outbound calls an organization can handle at the same time. Users can outnumber concurrent lines.
How is Cloud PBX different from IP PBX?+-
Cloud PBX runs in the cloud, so there is no office PBX hardware to maintain. It is easier to update, scale across branches, and use from anywhere.
What support is included?+-
Thai support specialists help with design, setup, number migration, user training, and troubleshooting throughout the service.
Ready to improve your business phone system?
Talk with our specialists at no obligation. We can assess your needs and design a system that fits your business.