IDM Wetalk SIP Phone Broadcast Intercom Badge

1. Product Overview

The IDM Wetalk SIP Phone Broadcast Intercom Badge is a portable internal telephone terminal designed for enterprises or administrative units. It functions both as an identification tool for face-to-face interaction and as a group intercom communication device for real-time, anytime communication. As a personal internal communication phone, it works in conjunction with a dedicated enterprise SIP phone dispatch console to provide an efficient means of internal communication. It can also be used with a broadcast dispatch console and broadcast switching server to support unicast, multicast, broadcast, real-time announcements, scheduled announcements, time-triggered announcements, hourly timekeeping, and one-touch emergency alarm functions.

Fig. 1 IDM WeTalk SIP WiFi Phone Intercom Terminal

2. Functional Design

2.1. Communication Modes

(1). One-to-one voice call;
(2). Full-duplex conference intercom;
(3). PTT (Push-to-Talk) key intercom;
(4). SIP communication protocol, compatible with SIP phones, SIP broadcast systems, and SIP apps;
(5). Interoperable with surveillance cameras and webRTC terminals;
(6). As an internal phone system terminal, enables cross-regional communication within the internet;
(7). Offers more calling modes than a standard phone, including regular calls and emergency calls. It can also coordinate with the central system to handle regular and emergency incoming calls, with priority-based response sequencing;
(8). Supports call transfer and external line dialing. The internal phone remains in a dispatchable state, enabling forced release, barge-in, monitoring, transfer, and hold functions.

2.2. Positioning

(1). The terminal sends received WiFi signal strength to the server for location determination (supported only within the local network); alternatively, the AP router proactively transmits terminal information to the server.

2.3. AI Features

(1). Enables voice interaction via server, including voice chat and IoT control;
(9). Multiple terminals can join an audio conference room to control AI assistants such as Xiao Ai, Tmall Genie, etc.;
(10). Capable of connecting to large language models such as ChatGPT.

2.4. User and Group Settings

(1). Pre-configured user call numbers or group numbers with associated names (or group names);
(11). Pre-set communication groups (similar to channel frequencies in cluster intercom systems);
(12). Group switching via physical buttons or by scanning the device’s QR code with a smartphone for configuration.

2.5. Intercom Badge Buttons

(1). Capacitive touch buttons with indicator lights;
(13). Four touch buttons: Call (for dialing, answering incoming calls, hanging up), Up (scroll up or volume +), Down (scroll down or volume -, long press mutes audio), Display (cycle through display content—each press switches to a new mode: showing incoming/outgoing number, or received message content);
(14). Three physical buttons: Power button on the back (long press to power on/off), PTT (Push-to-Talk) button on the top side, and SOS emergency button on the bottom side. The SOS button triggers audible and visual alarms and dials a pre-set emergency number. In point-to-point calls, a single press of the PTT button mutes the microphone.

2.6. Human Display

(1). Displays user photo, name, QR code, terminal information page, network configuration page, and WiFi AP name;
(15). Pressing the Display button once switches to the next interface;
(16). The system allows setting a maximum idle timeout (e.g., 5 minutes). After 5 minutes of inactivity, the terminal automatically reverts to the default human image display;
(17). The terminal information interface shows terminal status or configuration details;
(18). Displays local MAC address, IP address, and server IP;
(19). Shows several commonly used WiFi AP names and access passwords, with different colors indicating current connection status.

2.7. Contact List Display Interface

In non-point-to-point communication mode, pressing the Call button activates the contact list display. Use up/down arrows to scroll through numbers. Navigate to the top or bottom to page through. Select a number and press Call to initiate a point-to-point call. If a group number is selected and Call is pressed, a prompt confirms entry into the group, allowing PTT button use for speaking.

2.8. Point-to-Point Call Interface

During point-to-point communication, the display shows: local number, call number, caller name, call status (incoming/outgoing), call type (internal/external), and call duration. After the call ends, the display reverts to the default interface.

2.9. PTT Temporary Intercom Interface

During PTT intercom, a 3-second temporary display shows the group name, speaker number, and name. After 3 seconds, the display returns to the original state.

2.10. Text Message Display

Displays messages sent from the dispatch console. Reply is only possible after pressing the Display button.

2.11. Network Traffic Statistics Display

Displays real-time and total network traffic statistics, helping to monitor the device’s communication environment (TBD).

3. Performance Features

l "Wi-Fi sharing is my advantage! I never need to pay extra for communication";
l Unlike 4G communication, which requires payment to telecom operators;
l Unlike wireless cluster intercom, which uses high-power transmission and controlled frequency resources, requiring annual registration and frequency fees;
l Voice calls can be established wherever there is internet access—distance and space are no longer barriers.

3.1. Voice Interoperability

(1). Compatible with IP phones and mobile apps within the network;
(20). Through a voice gateway, interoperable with mobile phones and traditional telephones;
(21). Additional functions enabled via backend softswitch and dispatch servers.

3.2. IoT Information Interface

(1). Supports serial port and switch signal input/output, suitable for special environments;
(22). Bluetooth information access function for collecting data from wearables such as smart bands.

3.3. Badge Technical Advantages

Leveraging SIP audio technology, it is interoperable with all SIP-based audio terminals and compatible with any SIP softswitch environment.

3.4. System Security Advantages

Does not use Windows, Android, Linux, or HarmonyOS systems. Instead, it employs an embedded CPU to process protocols, significantly reducing the risk of virus infection.

3.5. Smart AI Reception Management Backend

Standardizes reception processes with supervision, converts voice to text in real time, monitors key keywords, tracks speaking order, records customer questions, enables backend intervention on difficult cases, classifies customer intent, logs prohibited words, and supports ranking of top sales personnel.

4. Structural Design Features

n Audio Interface: Uses a high-sensitivity electret microphone and an 8-ohm, 3W acoustic cavity speaker. Supports Type-C earphones; when detected, the system disables speaker output. Earphones are Type-C wired with shoulder strap for secure wear—more reliable than Bluetooth for broadcast functions;
n Power Design: Type-C charging port with a 3000mAh battery, supporting over 10 hours of communication. Includes battery level detection: indicator light flashes and increases in frequency as battery depletes, eventually becoming steady when critically low;
n Display Interface: 1.3-inch high-brightness LCD display, alternately showing photo, name, and QR code to meet face-to-face social needs, and displaying device status information;
n Button Design: Four capacitive touch buttons on the front panel for quick operation. Capacitive design increases lifespan and enhances aesthetics, with customizable surface finishes. Three physical buttons: "Power" (long press to power on/off), "PTT" (top side), and "SOS" (bottom side). Pressing SOS triggers voice distress, SOS Morse code flashing lights, and dials a pre-set emergency number. Combination of touch and physical buttons supports multi-function selection, one-touch emergency alarm, and PTT intercom habits. Buttons are placed in separate zones to prevent accidental activation;
n Badge Identification: Faceplate uses color printing, printable via standard printer, enabling user-customized appearance. Combined with the display, it meets face-to-face communication needs. Front and back panels can be customized with user-specific printed content;
n Device Configuration: Can be configured via smartphone by scanning the QR code on the screen and entering a password;
n Wearing Method: Wearable intercom badge, easy to carry. Can be worn with a lanyard or pinned to clothing;
n Housing Design: Multi-compartment structure reduces audio coupling and improves audio performance. Highly vibration-resistant.

5. Broadcast Service Functions

When paired with a broadcast server, cloud broadcasting enables the following functions:

(1) Scheduled Broadcasting: Plays audio or broadcast files at preset times;
(2) Zonal Broadcasting: Dispatch console can group any broadcast zone. Each group can play independent audio sources;
(3) Broadcast Paging: Supports multi-zone, single-zone, or all-zone broadcast calls with various message types;
(4) Terminal Broadcasting and Announcements: All SIP terminals (SIP phones or softphones) can initiate announcements or broadcasts by dialing the broadcast gateway number or group number, based on permission;
(5) Two-way Intercom / Emergency Intercom: Using a button on the broadcast dispatch console, a direct two-way intercom can be initiated with a designated duty extension, which automatically answers in speaker mode;
(6) Assistance Intercom: In emergencies, users can use terminal devices or intercom extensions at designated points to initiate one-touch two-way intercom with the monitoring center;
(7) Emergency Triggered Broadcast/Alarm: In case of fire or illegal intrusion in a specific area, sensors on the broadcast gateway automatically trigger emergency broadcasts or alarm signals to that zone;
(8) Hourly Timekeeping Function: Certain broadcast terminals can be configured for hourly timekeeping, with voice announcements or musical alerts.

6. Industry Applications

Ideal for environments where mobile phones are restricted or impractical, such as confidential workplaces, classrooms, hotel room maintenance, elderly care services, and any location requiring rapid, non-blocking communication or simultaneous multi-user communication.

6.1. Hotel Service Industry

(1). Provides staff with wearable badges for efficient customer service and coordination of housekeeping and other operations;
(23). Many hotel rooms are far apart—cluster intercoms lack sufficient range; traditional analog intercoms do not support location tracking;
(24). Requires a WiFi intercom that can be used upon entering a room, supports location tracking, and checks WiFi availability. Works wherever internet is available.

6.2. Elderly Care Facilities

(1). Equips elderly residents with badges for quick service calls, and enables joining chat groups, entertainment groups, or AI service groups;
(25). Care center staff can use this communication system for real-time medical team collaboration;
(26). Provides free intercom service indoors and in WiFi-covered outdoor areas;
(27). When traveling in groups, portable 4G wireless routers can provide service, managed via smartphone, with offline user management capabilities.

6.3. Scenic Area Tour Guide System

(1). Enables guided tours (tour guides carry 4G/WiFi routers, deliver commentary via mobile app or play audio, with real-time visitor count monitoring);
(28). Remote interactive guiding (one-to-many backend commentary with real-time visitor safety monitoring);
(29). Integrates with scenic area guide and service large language models for AI interactive commentary, asking and answering questions on topics of interest;
(30). Multi-language switching, especially useful for under-resourced minority languages via machine translation;
(31). Team management—real-time communication via intercom to coordinate meeting locations and times;
(32). Self-service AI tour guide—provides commentary based on current location reporting;
(33). SOS emergency button for immediate response by tour guides or park staff;
(34). Receives park announcements, such as event schedules and activity information;
(35). During travel, the portable WiFi communication terminal enables convenient wireless network access (e.g., via shared phone hotspot), allowing users to stay connected with family, access travel information, or share photos without tying up their phone line.

6.4. Scenic Area Management Applications

(1). Real-time communication between the scenic area, tour groups, guides, drivers, parking staff, and traffic management;
(36). Guide-based visitor location management and emergency call handling for safety;
(37). Receives park broadcasts, including event schedules, traffic updates, and weather alerts;
(38). Visitors access interactive services via tour guide robots.

6.5. Remote Workforce Badge for Distributed Teams

(1). Enables real-time intercom among team members, improving work efficiency;
(39). The intercom badge primarily replaces the gradually obsolete internal office phone. While smartphones are widespread, their calling functionality is diminishing due to feature overload. Instant calling is inconvenient. This badge restores the core phone function while freeing users from wired phones, offering enhanced capabilities.

6.6. Field Worker Badge

(1). When employees are on the move, they can share their phone’s WiFi hotspot—this ensures that phone calls or WeChat voice usage do not interfere with intercom communication;
(40). On-site guidance, live demonstration, service process recording with voice-to-text conversion, and accumulation of top-performing scripts for sales personnel.

6.7. Chain Service Industry

(1). Provides intercom badges for service staff;
(41). Many chain restaurants, merchants, and retailers require headquarters to monitor service conditions in real time and provide immediate guidance. Employees need wearable devices with location tracking, real-time intercom, and monitoring functions, all connected via the internet. The central system includes corresponding management software;
(42). On-site guidance, live demonstration, voice-to-text recording, and script accumulation for real estate sales;
(43). On-site guidance, live demonstration, voice-to-text recording, and script accumulation for automotive sales.

6.8. Community Care System

(1). Remote virtual bed call system;
(44). Temporary care call system;
(45). Community online chat group system;
(46). Community broadcast intercom system.

6.9. Service Quality Monitoring for Government Departments

(1). Government service departments;
(47). Inspection of guide speech standardization in reception halls;
(48). Key enterprise sales services;
(49). Sales demand collection, supervision of sales presentation standards, and real-time guidance;
(50). Tour guide systems in tourism and related industries;
(51). Standardization checks and collection of customer interaction content.

6.10. Visitor Badges for Key Organizations

(1). Visitors to key organizations need to know their location. If they take a wrong path, real-time intercom can correct them. In case of emergencies (e.g., lost, blocked), they can instantly call the duty room. The duty room features real-time location maps integrated with video surveillance;
(52). Business travelers can use the portable WiFi communication terminal to stay connected with the company, manage emails, and conduct video meetings during business trips.

6.11. Mobile Work

For personnel who frequently move, such as sales staff and field workers, the portable WiFi communication terminal provides convenient network access, enabling them to handle work tasks anytime, anywhere.

6.12. Emergency Communication

In disasters, emergencies, or temporary events, the portable WiFi communication terminal can establish a temporary communication network, helping people stay connected with the outside world.

6.13. Exhibitions and Event Organization

In exhibitions, trade shows, or other large-scale events, the portable WiFi communication terminal provides reliable communication access and coordination, ensuring smooth event execution.

6.14. Logistics Industry

(1). Dispatch management, transportation management;
(53). In warehouses and logistics centers, workers can use intercom badges for rapid communication to coordinate goods handling and delivery;
(54). Real-time communication between freight drivers and dispatch centers.

6.15. Transportation Sector

(1). Taxi industry—order grabbing and transportation management;
(55). Public transportation systems can use intercom badges to ensure smooth operations.

6.16. Security Industry

(1). In security and surveillance, intercom badges enable real-time incident response and coordination among security teams;
(56). Facilitates monitoring and command of multiple security zones by security companies;
(57). Enables backend collection of big data from security duty processes.

6.17. Emergency Calls in Unmanned Areas

(1). Voice monitoring, voice intercom, and call buttons installed in elevators, parking lots, and tourist areas;
(2). Requires a WiFi hotspot.