CN1482821A

CN1482821A - Radio telephone system

Info

Publication number: CN1482821A
Application number: CNA031405932A
Authority: CN
Inventors: 秦宇海
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-04
Filing date: 2003-06-04
Publication date: 2004-03-17

Abstract

A wireless telephone system comprising one or a plurality of gateways for providing the public oriented telephone network (including but not limited to PSTN, PBX, GSM, GPRS, CDMA), one or multiple Wi-Fi Access Points for realizing the communication signal transmission in the network range, a plurality of wireless telephone equipment as the terminal of the communication system, which can provide sound, image, short message and other data communication function, and one or multiple data communication server.

Description

A kind of radio telephone system

Technical field

The present invention is a kind of radio telephone system, can utilize WLAN (wireless local area network) (Wi-Fi, perhaps IEEE802.11 series of canonical) technology, realizes wireless telephonic communication.

Background technology

At present, the telephone extension system of general unit has a lot of limitations: (1) phone is wired, can not move freely.Except the caller can not leave telephone set, unit brought a lot of troubles when moving.When office building is built, have to ask the professional to carry out the design of telephone line.(2) extension links to each other by the local stored-program control exchange and PSTN, the PBX system of telecommunications, and needing this locality to have to overlap independently, telephone network and the used local area network (LAN) of computer are separated from each other.(3) a this telephone extension system seating surface can not be integrated such as data-oriented application such as video, short message, incoming call track databases to the service of voice.(4) have only the IP gateway of renting by the outside, could calling IP phone.And IP phone can be saved the communication cost greatly.(5) both just extension set support functions such as caller identification, recording automatically, automatic-answering back device, telephone directory, cost is also very high, because these information must be kept in the internal storage device of extension, is a kind of " fat terminal ", has increased the cost of extension.

Utilize wireless local area network technology (WLAN perhaps is Wi-Fi, i.e. the IEEE802.11 series of canonical), the present invention can all address the above problem, and strengthens the function of WorkPhone subordinate machine system greatly, reduces its application cost simultaneously greatly.

Summary of the invention

The present invention adopts architecture as shown in Figure 1, realizes the wireless telephonic communication in the unit scope.This system is made up of following 4 parts:

(1) (or a plurality of) gateway system

Be used to provide towards public telephone network (including but not limited to PSTN, PBX, GSM, GPRS, CDMA), the perhaps conversion of the telephone signal of Internet or transmission (route).Its hardware aspect, (but being not limited to) is a computer server usually, provides towards the hardware interface of public telephone network, Internet and internal lan.The software aspect is the system that a cover is supported IP phone (upper-layer protocol is as H.323, SIP, MGCP etc., underlying protocol is TCP/IP, AppleTalk etc.).

(2) one or more wireless base stations (Wi-Fi Access Point)

Realize the telephone signal transmission in the WLAN (wireless local area network) scope.Be equivalent to a wireless hub or switch.Sometimes this wireless base station may integrated IP routing function.

(3) a plurality of radio telephone terminals

These radio telephone terminals can provide Data-phone functions such as sound, image, short message.On the hardware formation, it is made up of a charger base and a cell-phone.Cell-phone places on the charging base usually, is in charged state.When using, cell-phone can be picked up from charging base, carries out wireless telecommunications.Cell-phone has an antenna, links to each other with inner Wi-Fi media access controller (MAC), changes into the digital signal on the internal bus after wireless lan signal is handled.The CPU of cell-phone inside and auxiliary circuit thereof will be handled these signals, be converted into the speech in last displaying contents of display (for example LCD) and the receiver.From software, H.323 this radio telephone terminal passes through, SIP, and IP phone agreements such as MGCP are handled phone information.Bottom is such as TCP/IP, this class LAN protocol of AppleTalk.

In the time of the outside communication of caller, send communication request by WLAN (wireless local area network) to data communication server earlier, pass through the processed of data communication server then, feed back or send (passing through gateway system).Based on this " client/server " structure, a lot of processing of radio telephone terminal can be put into the data communication server end and carry out.Such as the personalized the tinkle of bells that the caller likes needn't be stored in the internal storage device of radio telephone terminal, but is stored in the middle of the database of data communication server, when needing, downloads to radio telephone terminal by WLAN (wireless local area network) and plays.The structure of this " thin client " has strengthened the function of telephone terminal greatly, has simplified its software and hardware structure simultaneously, has reduced its Costco Wholesale.

(4) (or a plurality of) data communication server

Be used to (3) described radio telephone terminal that the support of server software is provided.About this point, narration to some extent in (3).What need replenish is, such as instant messaging (Yahoo Messenger for example, MSN, AOL, ICQ, QQ, Netmeeting etc.), call center, personalized the tinkle of bells database, calling customer database, phonebook database, personalization reply intermediate application systems such as recording database, caller identification database, historical recording database, all on data communication server, realize.

Data communication server after certain processing, is forwarded to gateway system to the data flow from radio telephone terminal by WLAN (wireless local area network), sends on public telephone system or the Internet.

The present invention for the function that strengthens extension telephone system of unit, improve its ease for use, reduce its application cost, a lot of breakthroughs are all arranged.In background technology, the limitation of past WorkPhone subordinate machine system, improvement of the present invention is:

(1) realizes the radio extension telephony feature, strengthened ease for use.

(2) realize " the two net unifications " of extension net and computer local network, reduced the expense of networking.

(3) can the integrated video phone, short message, instant messaging (Yahoo Messenger for example, MSN, AOL, ICQ, QQ, Netmeeting etc.), call center, personalized the tinkle of bells database, calling customer database, phonebook database, personalization reply intermediate application systems such as recording database, caller identification database, historical recording database, strengthened the function of telephone extension system greatly.

(4) local Internet gateway calling IP phone can be passed through, the gateway of IP phone company needn't be rented.Freedom is calling IP phone in the world, greatly reduces the communication cost.

(5) adopt the radio telephone terminal of " thin client " pattern, can strengthen the function of telephone terminal greatly, simplify its software and hardware structure simultaneously, reduce its Costco Wholesale.And be positioned at the data of server end, and can also send on the Internet, download from the outside.

Description of drawings

Fig. 1: the architecture of this radio telephone system (for the sake of clarity, only drawn the simplest a kind of structure)

Embodiment

In the concrete enforcement of native system a variety of schemes are arranged, the simplest implementation is: at a PC server (gateway) a multi-path voice card go up to be installed, to be linked to each other with multiplex telephony line from telecommunications company.Dispatch service program on this gateway, by H.323, SIP, MGCP contour level agreement and underlying protocols such as TCP/IP, AppleTalk, from the signal of sound card by wireless LAN card, it is online to be forwarded to wireless local.

Through the transmission of wireless base station (Wi-Fi Access Point), communication signal arrives radio telephone terminal, is presented on its LCD display or in receiver after processed.

Increase a PC server on the net again at wireless local, be used to provide visual telephone, short message, instant messaging (Yahoo Messenger for example, MSN, AOL, ICQ, QQ, Netmeeting etc.), intermediate application services such as recording database, caller identification database, historical recording database are replied in call center, personalized the tinkle of bells database, calling customer database, phonebook database, personalization.

It below only is the simplest a kind of implementation.Can also further expand more hardware on this basis, realize more powerful, rich functions more.Such as, when a wireless base station reaches fully loaded, can replenish more cascade wireless base station, increase wireless bandwidth.And so on.

Claims

1, a kind of radio telephone terminal equipment based on WLAN (wireless local area network), provide and include but not limited to sound, video, short message, instant messaging (Yahoo Messenger for example, MSN, AOL, ICQ, QQ, Netmeeting etc.), data communication facilities such as recording database, caller identification database, historical recording database are replied in call center, personalized the tinkle of bells database, calling customer database, phonebook database, personalization.This equipment carries out wireless data transmission by the wireless network of Wi-Fi (IEEE 802.11 series of canonical) framework, and and shared this network of (or a plurality of) network equipment.

2, a kind of radio telephone system based on Wi-Fi, utilizing with Wi-Fi (IEEE 802.11 series of canonical) is the network realization mobile communication of bottom medium.This system is made up of 4 parts: (1) (or a plurality of) gateway system, be used to provide towards public telephone network (including but not limited to PSTN, PBX, GSM, GPRS, CDMA), the perhaps conversion of the communication signal of Internet or transmission (such as route).(2) one or more wireless base stations (Wi-Fi Access Point) realizes the communication signal transmission in this network range.(3) a plurality of radio telephone terminal equipment as the terminal of communication system, can provide sound, image, short message or other data communication facilities.(4) (or a plurality of) data communication server are used to claim 1 described, or (3) described radio telephone terminal equipment provides the support of server software system in this claim.These softwares comprise visual telephone, short message, instant messaging (Yahoo Messenger for example, MSN, AOL, ICQ, QQ, Netmeeting etc.), intermediate application systems such as recording database, caller identification database, historical recording database are replied in call center, personalized the tinkle of bells database, calling customer database, phonebook database, personalization.

3, based on a kind of " thin client " communication modes of claim 1 and 2.In other words, personalized the tinkle of bells database, calling customer database, phonebook database, personalization are replied communication datas such as recording database, caller identification database, historical recording database, be kept in the data communication server, rather than be kept in the internal storage device of radio telephone terminal.When radio telephone terminal needed these information, these information downloaded to terminal automatically by WLAN (wireless local area network), are presented on the terminal display or in receiver then.