Huawei mini IP PBX system eSpace U1911

U1911 Integrated Host,provide 1 SCU,1 MTU,1 power,including 16 concurrent voice conference participants license.

Number : G5ACC2A01F2E13


Huawei mini IP PBX system eSpace U1911

Product Description

The U1911 unified gateway uses a highly-integrated SIP softswitch as the core and supports both narrowband and broadband services, helping effectively improve communication efficiency and reducing operating expense (OPEX).

The U1911 unified gateway can connect to analog phones and IP phones at the same time:
  • Connect to local analog phones directly.
  • Use IP bearer networks to connect to analog phones through eSpace IADs.
  • Use IP bearer networks to connect to IP phones.

The U1911 unified gateway can connect to PSTN networks or dedicated network voice switches through digital, analog, and broadband SIP trunks.




Huawei — the expert in IPT and EC solutions

  • Maximum 100 users, or 64 FXS or 24 FXO analog ports, or 12 E1 / 12 T1 or 8 BRI ports per subrack
  • Built-in voice conferencing, with multiple conference access modes
  • One Number Link You (ONLY) service permits users to answer incoming calls anywhere, anytime, in the way they prefer
  • Built-in voice mailbox records messages from unanswered callers so users never miss important calls




The U1911 unified gateway provides rich services and ports. It is easy to deploy and maintain.

Rich Services and Ports

  • Provides high-quality, built-in voice conference resources and web conference management portal for easy use and management.
  • Provides built-in voice mailboxes to implement the voicemail function and prevent call loss.
  • Supports diverse supplementary services (including One Number Link You (ONLY), emergency call, secretary station, and call barring) to meet different service requirements.
  • Supports PRA, SS7, R2, QSIG, AT0, SIP and BRI signaling messages and protocols and integrates narrowband and broadband services.

High Reliability and Low Costs

  • Provides 99.995% system reliability.
  • Supports the local regeneration function at enterprise branches.
  • Adapts to requirements of small- and medium-sized enterprises and reduces the operation and maintenance costs for enterprises.
  • Can be expanded and upgraded to UC applications, protecting customers' investments.

Easy Deployment and Maintenance

  • Supports various networking modes, including the single-node network and centralized call management network. Both IPv4 and IPv6 networks are available, allowing for flexible deployment.
  • Supports unified network management, meeting requirements for centralized operation and maintenance (O&M) and highly efficient management.
  • Provides the local maintenance terminal (LMT) for routine maintenance.
  • Provides a built-in web management system for quick deployment and routine configuration.
  • Provides a built-in web self-service system for conference scheduling and personal service management.





Item Specifications
User Capacity per U1911‎ 100 (maximum of 100 SIP users or 64 FXS ports for analog users)
Terminals Supported Analog, IP, and video phones and soft clients
Trunk Ports Maximum of 24 FXO ports, 12E1/T1 ports, or 8 BRI ports
Trunk Protocols SS7, R2, PRI, QSIG, SIP, and BRI
Codecs G.711a/μ, G.729, G.729a, G.729b, G.729ab, iLBC, G.722, G.722.1, and G.722.2
Conference Capacity Maximum of 60 conference participants which can be allocated to 20 conference halls (each hall can support up to 60 participants)
Built-in Voicemail Box Maximum of 12 built-in, concurrent voicemail channels
Built-in 16G SD storage card
Power Supply AC: 100V to 240V, 50 Hz/60 Hz
DC: -38.4V to -60V (typical value: -48V)
Power Consumption 150W fully configured
Dimensions (H x W x D) Standard 19-inch 1U subrack
1.7 in. x 17.4 in. x 12.2 in. (44 mm x 442 mm x 310 mm)
Weight 3.6 lb. (8 kg) fully configured
Environment Temperature Storage temperature: -40oF to 158oF (-40oC to 70oC)
Long-term operating temperature: 32oF to 113oF (0oC to 45oC)
Short-term operating temperature: 23oF to 131oF (-5oC to 55oC)
Relative humidity 5% to 95% without condensation
Dust Less than 180 mg/m³ airborne dust (deploy air-filtration systems in the operating environment)
System Reliability > 99.995%
Maintainability Centralized/remote equipment management, signal tracing, resource management, alarm management, and quick deployment