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Huawei eSpace U1980 Unified Gateway

Huawei eSpace U1980 unified gateway (U1980 for short) is a core voice gateway in the Huawei Unified Communications (UC) solution. It works with Huawei IP terminals and UC applications to provide professional IP telephony (IPT) and UC services.
U1980 uses a highly integrated SIP architecture to accommodate a large number of users, reaching 10,000 users per subrack. U1980 also provides powerful networking capabilities. In the downstream direction, it supports both narrowband and broadband access, allowing for hybrid networking of analog phones and IP phones. In the upstream direction, it can connect to the public switched telephone network (PSTN) or to voice switches in private networks using digital, analog, and broadband SIP trunks.

High integration and impressive array of functions

  • Extensive IPT services
  • Built-in hi-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 users prefer
  • UC application extension

  • High stability and high reliability

  • 99.999% carrier-class reliability
  • Redundancy backup for key modules

  • 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

  • GUI-based deployment tools for easy and quick installation
  • Unified network management system, helping improve management and maintenance efficiency

IP PBX

U1980 can function as an IP PBX. As shown in the following figure, a U1980 is deployed at the headquarters of an enterprise to provide call control services for users over the enterprise's network. The branches, according to their user capacities, can use different models of Huawei eSpace U1900 series unified gateways as local voice gateways. These local voice gateways support local regeneration. U1980 at the headquarters and the local voice gateways at the branches can connect to the PSTN using narrowband and broadband trunks. They can also connect to multiple types of terminals, including SIP phones, integrated access devices (IADs), analog phones, and fax machines, to provide a rich array of voice services for users.


U1980 supports two deployment modes to ensure a highly reliable IPT solution: local two-node clustering and remote disaster recovery.



UC core voice gateway

U1980 can serve as a UC core voice gateway. As shown in the following figure, a U1980 and UC application servers are deployed at the headquarters of an enterprise to provide basic telephony services and UC services, helping improve enterprise users' communication efficiency. The services supported include voice calling and voice conferencing among different types of terminals (SIP phones, analog phones, and soft terminals), presence, instant messaging (IM), and multimedia conferencing. The branches, according to their user capacities, can use different models of Huawei eSpace U1900 series unified gateways as local voice gateways. These local voice gateways support local regeneration.


Item Specifications
Maximum number of users 10,000
Terminal type Analog phones, IP phones, video phones and soft clients
Port 30 E1 ports or 20 T1 ports
Trunk protocol SS7, R2, PRI, QSIG, QSIG, SIP
Codec G.711A/μ, G.729a/b, and iLBC
Number of meeting participants A maximum of 960 meeting participants which can be allocated to 320 meeting halls (each hall can support up to 120 participants by maximum)
Power supply AC: 100 V to 240 V, 50 Hz/60 Hz
DC: –38 V to –75 V (Typical value: –48 V and –60V)
Redundancy: two modules work in load balance mode, the third one acts as a backup
Maximum power consumption 400 W (full configuration)
Dimensions (H * W * D) Standard 19-inch 6U subrack
264 mm * 436 mm * 420 mm
Weight 31 kg to 32 kg
Environment Temperature Storage temperature: –40° C to +70° C
Long-term operating temperature: 0° C to 45° C
Short-term operating temperature: –5° C to +55° C
Relative humidity 5% to 95% (without condensation)
Dustproof Less than 180 mg/m³ dust in the air (Dustproof measures should be taken in the work environment)
System reliability >=99.999%
Maintainability Remote maintenance, automatic configuration, log collection, and Daylight Saving Time (DST)
Manageability Centralized/remote equipment management, signaling tracing, resource management, and alarm management

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