Overview
Grandstream offers robust IP PBX systems combined with professional VoIP hardware, delivering a complete telephony solution for businesses that require reliability, scalability, and full infrastructure control.
Why Choose Grandstream?
Complete VoIP solution (PBX + IP phones + gateways)
Suitable for small, medium, and large enterprises
High performance with on-site system control
Excellent choice for businesses with existing PSTN lines


Key Features
IP PBX & Call Handling
UCM Series IP PBX systems supporting hundreds to thousands of users.
Multi-level IVR with flexible call routing.
Advanced Call Queues for efficient call distribution.
Automatic and on-demand call recording.
Call Center Features
Automatic Call Distribution (ACD).
Skill-based routing.
Supervisor monitoring tools.
Queue performance reports and agent statistics.
Callback and virtual queue options.
Hardware & Software Integration
Wide range of IP Phones for different user roles.
VoIP gateways for SIP, FXO, and FXS connections.
Wave softphone app for desktop and mobile users.
API and CTI integration with CRM and business systems.
Network & Infrastructure Support
Supports VoIP and traditional PSTN lines.
Multi-site connectivity and branch linking.
Secure communication with encryption and firewall support.
Ideal for on-premise deployments.
Ideal Use Cases
On-site Call Centers
Enterprises with multiple branches
Organizations needing full control over telephony infrastructure
Businesses combining legacy phone systems with VoIP