NEC Display VoIP-lisäkortti - 16 kanavaa - laajennusmoduuli

Expand your NEC UNIVERGE communication server with a 16-channel VoIP daughter board, delivering hardware-based echo cancellation and adaptive jitter buffering for crystal-clear IP telephony. This internal module supports SIP, G.711/G.729 codecs, and T.38 fax over IP, making it an essential upgrade for growing businesses.

Overview

The NEC Display VoIP Daughter Board (BE116500) is a slot-in expansion module designed for NEC UNIVERGE SV9100, SV9300, and SV9500 communication servers. It adds 16 VoIP channels, enabling seamless integration of IP phones and SIP trunks into your existing PBX infrastructure. With advanced voice processing features, it ensures reliable, high-quality voice communications over IP networks.

What stands out

• 16 VoIP channels for scalable IP telephony
• Hardware-based echo cancellation eliminates acoustic feedback
• Adaptive jitter buffer smooths packet delay variation
• Packet loss concealment maintains call quality under network congestion
• Supports SIP, G.711, G.729a/b, and T.38 fax over IP
• LED indicators for power and activity status

Technical details

• Product Type: VoIP Daughter Board
• Form Factor: Internal Expansion Module
• Compatibility: NEC UNIVERGE SV9100, SV9300, SV9500
• VoIP Protocol: SIP (Session Initiation Protocol)
• Voice Codecs: G.711, G.729a/b
• Fax over IP: T.38 Support
• Echo Cancellation: Hardware-based
• Jitter Buffer: Adaptive
• Packet Loss Concealment: Yes
• Quality of Service: Differentiated Services (DiffServ)
• Installation: Slot-in (on main CPU board or dedicated slot)
• Power Source: Supplied by host system
• Status Indicators: LED (Power, Activity)

Our verdict

For businesses relying on NEC UNIVERGE platforms, this VoIP daughter board is a straightforward way to add IP telephony capacity without replacing existing hardware. Its robust voice processing features ensure consistent call quality, making it a smart investment for expanding communication needs.