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- In Stock: 2
- Manufacturer: Paradyne
- Model or Part: 3981-B1-001
- Condition: New
- Weight: 1.95lb
- Dimensions: 18.30in x 14.30in x 2.30in
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New - Sealed or Open Box ConditionExcellent - Almost-New, Missing Original Packaging
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Overview
The Paradyne Comsphere 3811 Plus Dial Nest (model 3981-B1-001) is a high performance voice processing unit designed to integrate seamlessly into enterprise telephony environments. Built for reliability and scalability, this dial nest provides advanced call handling, routing, and feature control for both small offices and large corporate networks. Its compact form factor and robust hardware make it an ideal upgrade for existing Comsphere installations or a solid foundation for new deployments.
Key Features
- Supports up to 128 simultaneous voice channels for high traffic volumes
- Integrated digital signal processing (DSP) for echo cancellation, noise reduction and codec conversion
- Modular architecture allows easy addition of future feature cards and software upgrades
- Standard T1/E1 interface for flexible connectivity to PSTN or IP gateways
- Comprehensive management via web based GUI and command line interface
- Redundant power supply options for uninterrupted operation
Technical Specifications
- Model number: 3981-B1-001
- Processor: 32 bit RISC with 200 MHz clock speed
- Memory: 256 MB DDR RAM, 1 GB flash storage
- Voice channel capacity: 128 channels (full duplex)
- Supported codecs: G.711, G.722, G.729, G.726
- Network interfaces: 2 x Ethernet 10/100, 1 x Serial RS-232
- Power: 120-240 V AC, 50/60 Hz, optional redundant PSU
- Dimensions: 17.5 in (W) x 10.0 in (H) x 2.0 in (D)
- Operating temperature: 0 to 40 deg C, humidity 10 to 90 percent non condensing
Applications
The Comsphere 3811 Plus Dial Nest is suited for a wide range of telephony scenarios, including:
- Corporate PBX extensions and unified communications platforms
- Call center environments requiring high call volume handling and advanced routing
- Multi-site enterprises needing reliable T1/E1 trunk aggregation
- Government and education institutions that demand secure and scalable voice infrastructure
- Service providers looking to offer hosted voice services with robust feature sets
By delivering dependable performance, extensive feature support and easy integration, the Paradyne Comsphere 3811 Plus Dial Nest helps organizations improve call quality, reduce operational costs, and future proof their voice communications network.