| Usage: | Telephone, Computer, Workstation, Mobile phone |
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| Type: | Wired |
| Support Network: | Ethernet |
| Samples: |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier Product overview
Product Highlights
High integration and impressive array of functions
• Extensive IPT services
• built-in hign-fidelity audio conferencing, with multiple conferencing modes available
• One Number Link You (ONLY), allowing users to answer incoming calls from anywhere, at any time, in the way that lisers prefer
• Built-in voice mailbox, recording messages from unanswered callers so users never miss any important calls
• UC application extension
Effective cost control
• Number analysis and whitelist/blacklist
• 32-level customized call rights
• Password-based call barring
• Intelligent routing, saving communications costs
Quick deployment and easy maintenance
• GUl-based deployment tools for easy and quick installation
• Unified network management system, helping improve management and maintenance efficiency
• Built-in web management system for convenient operations
| ESpace U1981 Unified Gateway Specifications | |||
| Parameter | Functions and features | ||
| Single set of user capacity | 20,000(Maximum 20,000 IP users /160 local analog users) | ||
| Terminal type | Analog phones, IP phones, video phones, and soft terminals | ||
| Trunk interface | A maximum of 60 FXO ports, 24E1/T1 ports, and 20BRI ports are available | ||
| Signaling protocol | PRI,QSIG,SS7,R2,SIP,BRI | ||
| Codec format | G.711a /μ,G.729a b / ab,iLBC,G. 722 / G . 722.1/G.722.2,Opus | ||
| Number of conference channels | Supports a maximum of 2,000 participants and 660 conferences. A single conference supports a maximum of 360 parties. | ||
| Voice mail | Supports a maximum of 30 concurrent internal voice mailboxes Built-in 16G SD memory card |
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| Power supply | AC: 100V-240V; 50Hz/60Hz DC:-38.4V--60V, typical value -48V Supports two power modules and 1+1 backup |
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| Power consumption | 220W(full match) | ||
| Size (width x depth x height) | Standard 19-inch 2U subrack 442mm x 310mm x 86.1mm |
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| weight | 10kg(full match) | ||
| Environmental index | Temperature: Storage temperature: -40 ° C to 70 ° C Long-term operating temperature: 0ºC-45ºC Short-term operating temperature: -5ºC~55ºC Humidity: Operating humidity: 5%-95% RH, without condensation Dust proof: The working environment should be dust proof, the concentration of particulates in the air is less than 180mg/m³ |
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| System reliability | ≥99.995%, the mean time between failures is 30 years | ||
| Maintainability | Supports centralized or remote device management, log management, resource management, and alarm management | ||
The U1981 can be configured with dual power modules. By default, there is a single power supply module, which is located in slot 2 of the power supply. When configured with dual power modules, the following functions are available:
•Supports current sharing and backup
During normal operation, multiple power modules can share the load with their own output current; When a power module stops working, other power modules play a backup role and assume their normal power supply tasks.
• Support hot swapping
Without turning off the power supply of the whole machine, the power module can be directly added at the empty slot of the distribution box; In the case of redundant backup of the power supply, a power supply module can be unplugged directly without affecting the normal operation of the device
Suppliers with verified business licenses
Audited Supplier 
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