Who used Motorola's MTP850 walkie-talkie? Teach me how to use group calling and paging.

Large optical trunking cloud intercom system

You can talk with one button, which is the unique feature of the one-button service of the large optical trunking intercom system. Compared with mobile phone calls, push-to-talk saves the trouble of finding and dialing, and can be connected immediately in a shorter time; Compared with the high cost and limited coverage of professional walkie-talkies, push-to-talk service is cheaper and can be used anywhere covered by mobile communication networks. Because there is no roaming fee for uploading and downloading network data, the fee will not increase. For example, the PTT call in beijing beijing is the same as that in Beijing and Shenzhen. Moreover, due to the technical characteristics of PTT's one-to-one, one-to-many single call and group call, the cost of calling, whether calling one person or calling one thousand people at the same time, is charged according to the flow of calling one person.

Free experience = = global response with one click.

At first, the service was widely used by industry customers, such as the service named DirectConnect launched by American trunking communication operator Nextel, which attracted much attention because of its extremely high ARPU value and low user churn rate. With the popularity of 3G, the push-to-talk service based on 3G network is welcomed by more and more ordinary consumers. According to a survey by Yankee Group, 24% of American mobile consumers are very interested in this service, while a similar survey by Strategy Analytics shows that 45% of users are ready to use this technology. Push-to-talk service based on 3G network has many advantages. On the one hand, there is no need to deploy a new network, and the existing investment of operators can be fully utilized; On the other hand, this service can be effectively combined with other mobile value-added services to create a bundled service experience. For example, the large optical intercom system based on the three major mobile communication networks of China Mobile, China Telecom and China Unicom can not only achieve the push-to-talk effect, but also add special functions such as status presentation (that is, knowing whether the other party is online) and one-to-many group calling. Because of the group characteristics of push-to-talk, users can invite their relatives and friends to join the group, so that family friendship is everywhere; For industry users, the use of large-scale cluster intercom will save enterprise management time and cost, reduce work mistakes, and create more profits for enterprises through more efficient, faster and closer communication.

Characteristics of large optical trunking intercom system;

The characteristics of "big optical intercom" terminal-it integrates the functions of mobile phone and intercom. It has the functions of ordinary mobile phone and walkie-talkie. The functions of walkie-talkie and mobile phone can be easily switched at any time with one button.

"Wide-to-wide intercom" call mode-one-to-one, one-to-one call, one-to-one answer.

"Broadcom intercom" call range-there is no distance limit, and it can be used anywhere with cell phone signal.

"Broadcom intercom" call quality-digital transmission, clear voice, no interference during the call.

The call efficiency of "wide intercom"-no matter how far away, the time between speaking and listening should not exceed 1 second.

"Broadcom intercom" call charge-10 yuan monthly, unlimited call duration.

"Broadcom intercom" call security-data encryption transmission, no eavesdropping outside the group.

The walkie-talkie and mobile phone are all in place, providing you with a more relaxed, simpler, more efficient, faster, more intimate and more enjoyable way of communication.

Large-width cluster intercom practical crowd: including students, workers and retirees.

Daguang trunking intercom practical industries: including logistics, electric power, public security, fire fighting, armed police, army, frontier defense, national security, security, campus, water conservancy and flood prevention, forest fire prevention, water rescue, shipping and fishing boats, public transportation, car rental, petrochemical, greening, petroleum construction, railway construction, building construction, road construction, iron and steel enterprises, dairy enterprises, insurance, commerce, and so on.