UC350 is a new-generation large-capacity converged communication system developed based on the latest technologies. Adopting a 1U rack-mounted structure, it supports up to 1,000 extensions and 200 concurrent calls at maximum. It integrates rich service functions such as voice, video, broadcasting, fax, conferencing, and recording. Additionally, it provides 4 service slots supporting E1/T1, FXS, and FXO interfaces. The service board slots are universal, allowing flexible configuration and combination according to actual usage scenarios.

Suitable for both single-site office communication in medium and large enterprises, and multi-point telephone networking needs of large group enterprises, government agencies, etc., it helps enterprise and industry customers establish a convenient and efficient IP telephone system. The device offers an intuitive and easy-to-use graphical operation interface for convenient user management and maintenance, provides recording services, and offers open API interfaces to connect with third-party systems such as CRM and dispatching platforms, delivering convenient, intelligent, and integrated communication solutions for enterprises.

Enhanced Security

Main Features

2 SCUs, main control board and backup control board
Provides 4 SLOT user board interfaces, which can be mixed with FXS, FXO and E1/T1 user boards
Distributed multi-core CPU processing, greatly improving service processing capabilities
Flexible and efficient routing strategies based on time/number prefix and other multiple strategies
Supports multi-level IVR voice to help enterprises build personalized voice navigation
Can access traditional PSTN networks and VoIP networks
Flexible dialing plans with routing strategies based on time, number, source, IP, etc.
Supports ringing groups, paging groups, call queues, conferences, etc.
Supports voice mail and voice recording
Friendly Web user management interface provides multiple management methods

Physical Specifications

Capacity: 2 SCU main control board slots, 4 SLOT user board slots, supporting FXS, FXO, E1/T1
USB interfaces: 2 USB2.0/USB3.0 (one for each main and backup SCU)
Ethernet interfaces: 2 GE interfaces (100/1000 Base-T RJ45)
Serial port: 1*RS232, 115200bps
FXS: 2*RJ45, 8 FXS voice interfaces
FXO: 2*RJ45, 8 FXO voice interfaces
E1/T1: 2*RJ45, 4 E1/T1 voice interfaces
1 display screen
Dual power supplies

Voice Features

VoIP protocols: SIP over UDP/TCP/TLS, SDP, RTP/RTCP/SRTP/ZRTP
Voice codecs: PCMU/PCMA/G723/G729/G722/OPUS/G726-16/G726-24/G726-32/G726-40
Video codecs: VP8/H264/H263/H263-1998/H263-2000/H261
Voice interruption protection
Comfort noise generation (CNG)
Voice activity detection (VAD)
Echo cancellation (G.168), maximum 128ms adaptive dynamic buffer
Call progress tones: dial tone, ringback tone, busy tone
Private network penetration: STUN/DDNS
DTMF modes: RFC2833/Signal/Inband

1. Supports up to 1000 user registration extensions and 200 concurrent calls
2. Provides 4 service board slots, which can be mixed with FXS, FXO and E1/T1 service boards
3. Flexible and efficient routing strategies based on time/number prefix and other 多种 strategies
4. Supports multi-level IVR voice to help enterprises build personalized voice navigation
5. Supports telephone conferences/video calls/voice mail/recording/monitoring, etc.
6. Friendly Web user management interface provides multiple management methods