1、 Overview of Wireless Requirements for Operators:

1). Shortage of line resources:
After the restructuring of the operator's organization, there was a shortage of line resources in certain areas. For example, both China Telecom Group and China Netcom Group face a shortage of line resources when conducting business in the north and south, respectively. Due to the competitive nature of telecommunications services, wireless access is the most convenient, efficient, and cost-effective way for operators.

2). Long wired construction period:
Due to the urgency of the customer's business requirements, laying wired connections cannot meet the schedule requirements. Wireless access is the most convenient emergency solution.

3). Minimize duplicate investments:
The types of services provided by operators are diverse, and different services require flexible configuration of access end devices; The flexibility of access system equipment can meet the mobile needs of operators as the number of users increases or decreases, and the use of wireless access methods can meet the operators' requirements for flexibility and mobility.

2、 Analysis of operator demand types:

1). IP Supermarket Business
A、 Operator data center: Provides bandwidth and export resources, provides core multimedia exchange gateway (IP/VoIP/multimedia) for remote IP supermarkets to exchange VOIP data, and provides billing systems for call settlement for various IP supermarkets.
B. IP Supermarket: Composed of media gateway devices (or VOIP gateways), multiple telephones, and storefront billing management computers. Implement IP telephone services and billing management through the core multimedia exchange gateway provided by the operator's data center.
C、 Wireless devices: provide transmission links between IP supermarkets and operator data centers.

2). Internet cafe access service
Use wireless devices to provide transmission links between operators and internet cafes.

3). Integrated business access for group users
Wireless devices are used to provide access services for group users. Group customers generally use simultaneous interpreting of data and calls.
A、 Data business: providing internet access for group users
B、 Voice service: providing voice services for group users, divided into VOIP telephone mode and wireless circuit switched mode (wireless E1 relay line)

4). GSM/CDMA Mobile Base Station Interconnection Service for Operators
Use wireless devices to provide an E1 transmission link between the operator's mobile phone base station and the operator's data center.

5). Networking of operator business departments
Using wireless devices to achieve network connectivity between local business outlets of the operator, mainly to complete the internal OA office system, billing system, and management data sharing and mutual exchange of the operator.