
High Capacity Enterprise Internal Business IP Phone System VoIP Gateway. High Capacity Support: Supports 600 to 5000 IP phones and 100 to 1000 simultaneous call channels. Built-in VPN Security: Enables secure remote office and multi-branch interconnection with VPN. Standard TCP/IP Protocol: Ensures excellent compatibility and seamless deployment for enterprises. Stable Wired Connection: Wired design delivers stable and uninterrupted high-quality voice transmission. Highly Scalable Architecture: Perfectly adapts to enterprise business growth and expansion needs. 1-Year Warranty Coverage: Includes 100% factory inspection and 12-month full unit warranty. Free Usage Guides: Provides free manual and installation videos for user guidance. Flexible Customization: Offers full customization, customization from samples, designs, and minor customization.