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U1900 Series Unified Gateways

Huawei’s unified communication gateways offer rich IP-PBX telephony and conferencing capabilities for up to 20,000 users and support for analog equipment in hybrid environments.

U1900 Series Gateways provide upstream connections to the Public Switched Telephone Networks (PSTNs) or to voice switches in private networks. Downstream support for IP phones, analog phones, and soft terminals brings effective communications and collaboration to every user.

Intelligent routing, whitelist/blacklist features, instant messaging, and carrier-grade reliability deliver high-quality IP-based voice and communications services for enterprises at low TCO.

IP telephony services include Hi-Fi voice conferencing, One Number Link to You (ONLY), faxing, mailbox, custom messaging, and Interactive Voice Response (IVR). Comprehensive call controls support whitelisting and blacklisting by phone number, 32-level customizable call rights and passwords.


Specifications U1981 U1960 U1911
Maximum Number of Users (total number of terminals) 20,000 1,000 100
Maximum Number of Fax Mailbox Users 20,000 1,000 100
Maximum Number of Directly Connected Analog Users 160 192 64
Maximum Number of Concurrent Online Sessions 2,000 420 100
Maximum Number of E1 Ports 24 28 12
Maximum Number of Concurrent Participants 2,000 360 60
Maximum Number of Concurrent IVR Connections 240 240 100
Maximum Number of SoftConsole Groups 32 32 32
Maximum Number of Concurrent Online Calls Encrypted using SIP TLS 2,000 300 100
Busy Hour Call Completion (BHCC) 180k 36k 14.4k

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