Background of the Proposal:
As our business expands, traditional telephone exchange systems are no longer sufficient to meet the office communication needs of our existing enterprises. We urgently require deploying a highly integrated IP-based unified communication system that offers efficient, convenient, feature-rich, and intelligent voice, video, and conference capabilities.

Solution:
The core data center is equipped with high-capacity integrated programmable switches, which support both analog extension lines and IP phone connections. In addition to its robust traditional voice capabilities, it also features interactive functions with security surveillance, fire alarm, and public address systems.
Multiple Office/Branch Locations: Each remote site can deploy a high-capacity IAD voice gateway, connected to analog phones, fax machines, and other devices within the office. IP phones and other applications register directly to the PBX in the server room over the network.

Detailed Features:
Multilevel Voice Navigation | Circular (Priority) Substation Selection Feature |
User-defined Ratio of User Relay Function | Automatic Queueing |
Full-Channel Recording Feature | Hybrid Signal Routing Feature |
All Substation Coding | Zihou Management |
Define Routing | Call Display |
Inbound and outbound call information | Dial Preprocessing |
Repeating Numbers on Inner and Outer Lines | Call Recordings Throughout |
PCB Fault Detection | Detour Relay Routing |
Relay Group | Listen |
Number Transformation | Computer Operator |
Call Restriction Feature | Narrowband dial-up |
Day/Night Shift Feature | Hold the line. |
Group Call, Conference Call, All Call | One-Click Alert Feature |
Data Backup | Virtual PBX |
Intelligent Voice Service | Dual Number Feature |
Extension Phone Ringer | Inbound and outbound line ring differentiation |
External Coding | Insider Group |
Charging Function | Message Box |
Malicious Phone Inquiries | Multi-level restrictions |
Junction Planning Withdrawn | Call Forwarding Feature |
Please call back when busy. | Please take the incoming call. |
Extension Hotline Feature | Do Not Disturb |
Inbound and Outbound Teleconference | Internal/External Line Transfer |
Force Insert/Force Remove Function | Wake-up Service (Alarm Service) |
The long-ignored phone has finally been answered by the operator. | Self-recorded voice |
Integrated Voice Mailbox | Ringtones |
Call and Billing Inquiry | Trilateral Call |
Smart Relay | Emergency Call Feature |
Blacklist Feature | Secretarial Function |
Fax Service | Number Sharing |
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