CN2862529Y

CN2862529Y - Multifunctional gateway for VOIP telephone

Info

Publication number: CN2862529Y
Application number: CN 200520035088
Authority: CN
Inventors: 李荣华
Original assignee: SHUANG JIHONG
Current assignee: SHUANG JIHONG
Priority date: 2005-08-12
Filing date: 2005-08-12
Publication date: 2007-01-24
Anticipated expiration: 2015-08-12

Abstract

The utility model discloses a multi-functional gateway for VOIP telephones, i.e. a multi-functional gateway with both of a fixed telephone access port and a mobile telephone access port for VOIP telephones, characterized in that added a mobile telephone access port connected with the audio-encoding compressed/decompressed decoding processing unit/IVR service module, a wireless outer-access exchanger(i.e. WFXO port) for receiving the calls from non-VOIP customers, and with all the functions of the prior equipment reserved, increases GSM, CDMA, PHS and other wireless access methods. In this way, the utility model can be used more flexible and safety, and with increased optional plans and redundancy saves the communication cost effectively.

Description

The multi-functional gateway of VOIP phone

Technical field

The utility model relates to a kind of gateway, the multi-functional gateway of the definite a kind of VOIP of being used for phone of saying so.

Background technology

The VOIP phone claims IP phone or IP network phone, by voice signal is carried out encode digitalized, compression is processed into condensed frame, being converted to the IP packet then transmits on IP network, thereby reached purpose in the enterprising lang sound communication of IP network, the main realistic meaning of VOIP phone is to reduce communications cost, comprise speech business and facsimile service, yet existing product only is applicable to that fixedly telephone inserts, incompatible mobile phone, that is to say at present and can't pass through GSM, CDMA, wireless networks such as PHS are realized the bridge joint with the Internet, to reach the purpose that reduces communications cost.Its reason is: existing VOIP telephony gateway has telephone and inserts interchanger (wired landline telephone incoming end), and promptly fxo port is answered the calling from non-VOIP user, is the bridge of PSTN and VOIP.The access of phone can only be passed through wired fixation phone line, and can not pass through wireless mode.If use the function of the fxo port of gateway, then can be subjected to the restriction that landline telephone inserts, if the user does not have condition to insert landline telephone or is unwilling to insert fixedly telephone, the use of then original VOIP telephony gateway will be restricted.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned technological deficiency, and a kind of multi-functional gateway that had not only had the landline telephone access interface but also had the VOIP phone of mobile phone access interface is provided.Adopt the utility model access way flexibly, improved redundancy and fail safe, saved communications cost.

For achieving the above object, the technical solution adopted in the utility model is as follows:

A kind of multi-functional gateway of VOIP phone, comprise: answering the fxo port that the wired landline telephone from non-VOIP user's calling inserts is that the VOIP phone inserts interchanger, with common analog telephone, facsimile machines etc. link to each other, the FXS port of the access point of internet usage is provided for these equipment, and audio coding compression/decompression codec processing unit/IVR service module, it is characterized in that: also comprise the mobile phone incoming end that is connected with audio coding compression/decompression codec processing unit/IVR service module, the wireless peripheral access interchanger of promptly answering from non-VOIP customer call is the WFXO port.

Described WFXO port inserts change-over circuit, CDMA phone by the GSM phone and inserts change-over circuit, PHS phone and insert in the change-over circuit one or more and form, and is connected with the FXS port with control unit by interface conversion.

Described WFXO port does not have the junction block or the port of physics, is a kind of air interface of GSM telephone network, CDMA telephone network or PHS telephone network.

Described WFXO port, FXS ports physical junction block also can be connected with built-in FXS port by circuit switch/switch.

In the circuit of described WFXO port, insert power supply,, be the radio access module power supply, constitute the power supply circuits of radio access module by inductance L 1, capacitor C 1, C2, diode D1 by power conversion chip U2 from the VOIP mainboard; Control unit U1 adopts C8051F310 type microcontroller, also can adopt the microcontroller device of other models, and control unit U1 adopts AT commands for controlling wireless module; Power conversion chip U3 is the microcontroller power supply; J6 writes a yard interface for radio access module PHS provides, and the PHS radio access module is connected with computer by J6, and the number that operator is distributed is written among the radio access module PHS; Microcontroller is imported a high level on the HANG_UP label point connect radio access module and built-in FXS port, built-in FXS port imports audio signal into radio access module by the SPK_IN label point, the audio signal of radio access module is imported built-in FXS port by the SPK_OUT label point into after triode Q3 and the pre-amplification of Q5, realize the audio frequency intercommunication of radio access module and built-in FXS port, realize the access of WFXO port.

Advantage of the present utility model is:

The utility model is supported the multi-modulation scheme wireless access, and the wireless access of compatible non-VOIP phone is given full play to the complementation that telephone inserts and radio telephone inserts, and remedies the shortcoming that telephone inserts, and strengthens the applicability of VOIP telephony gateway.The utility model has kept all functions of existing equipment and has increased wireless access means such as GSM, CDMA, PHS, and occupation mode is flexible more, fail safe also is further enhanced.The utility model has increased the WFXO port, access way is flexible, possibility increases, redundancy improves, save communications cost.

Description of drawings

Fig. 1 is the utility model structural representation

Fig. 2 is the schematic diagram of the utility model different structure

Fig. 3 realizes the structural representation of function for the utility model

Fig. 4 is the utility model circuit diagram

The structural representation that Fig. 5 uses in system for the utility model

Be labeled as among the figure: 1, fxo port, 2, the FXS port, 3, audio coding compression/decompression codec processing unit/IVR service module, 4, WFXO port, 5, circuit switch/switch, 6, built-in FXS port, 7, interface conversion and control unit, 8, FXS ports physical junction block.

Embodiment

A kind of multi-functional gateway of VOIP phone, comprise: wired landline telephone incoming end, answering VOIP phone from non-VOIP user's calling, to insert interchanger be fxo port 1 and common analog telephone, facsimile machines etc. link to each other, the FXS port 2 of the access point of internet usage is provided for these equipment, it is characterized in that: also comprise the mobile phone incoming end that is connected with audio coding compression/decompression codec processing unit/IVR service module 3, the wireless peripheral access interchanger of answering from non-VOIP customer call is a WFXO port 4.Described WFXO port 4 inserts change-over circuit, CDMA phone by the GSM phone and inserts change-over circuit, PHS phone and insert in the change-over circuit one or more and form.Described WFXO port 4 does not have the junction block or the port of physics, is a kind of air interface of GSM telephone network, CDMA telephone network or PHS telephone network.Described WFXO port 4, FXS port one physics junction block also can be connected with built-in FXS port 6 by circuit switch/switch 5.The radio access module that described WFXO port 4 comprises the interface conversion that is connected with built-in FXS port 6 and control unit 7, is connected with control unit 7 with interface conversion.Described radio access module is GSM access module, CDMA access module, PHS access module.

As shown in Figure 1, the utility model is that WFXO port 4 and fxo port 1 are become one, and makes it in the function with basic fxo port 1, also has the function of WFXO port 4.Give full play to the complementation that telephone inserts and radio telephone inserts, remedy the shortcoming that the words phone inserts, strengthen the applicability of VOIP telephony gateway.

As shown in Figure 2, for every function of the clever use VOIP telephony gateway of talking about of energy, WFXO port 4, FXS ports physical junction block 8 can also be connected with built-in FXS port 6 by circuit switch/switch 5.The VOIP telephony gateway of the type can switch between FXS port 2 and WFXO port 4, and finishing between WFXO port 4 and FXS ports physical junction block 8 of circuit switch/switch 5 switched.After switching to WFXO port 4, FXS ports physical junction block 8 will disconnect with the VOIP telephony gateway and being connected.In like manner, after switching to FXS port 2, this corresponding WFXO port 4 just can't use.The wireless access of the also compatible non-VOIP phone of the utility model.

As shown in Figure 3, when control unit detected the wireless module ring, the control wireless module was answered, and controls built-in FXS port 6 simultaneously and enters off hook state, and the audio signal of built-in FXS port 6 inserted wireless module, equally also the audio frequency input with wireless module inserts built-in FXS port 6.Wireless module is delivered to this audio signal and is pulled out hitter end, pulls out the hitter this moment and has just set up with the VOIP gateway and be connected.

As shown in Figure 4, this system uses 12V direct current supply, inserts power supply from the VOIP mainboard.U2 is the power conversion chip that 12V changes 5V, is the radio access module power supply, and the power supply circuits of inductance L 1, capacitor C 1, C2, diode D1 formation radio access module (3.2V～4.3V).Micro-control unit U1 adopts the microcontroller of C8051F310 type, also can adopt other microcontroller devices, and control unit U1 adopts AT commands for controlling wireless module.U3 is the power conversion chip that 12V changes 3.3V, is the microcontroller power supply.J1, J2, J3 are respectively the radio access module sockets.J7 is the SIM/UIM deck of gsm wireless access module and cdma wireless connection module.J6 writes a yard interface for the PHS radio access module provides, and is connected with computer by J6, and the number that operator is distributed is written in the PHS radio access module.Frame of broken lines is the interface circuit of built-in FXS port, and microcontroller is imported a high level on the HANG_UP label point connect radio access module and built-in FXS port.After connecting foundation, built-in FXS port imports audio signal into radio access module by the SPK_IN label point, the audio signal of radio access module is imported FXS port 2 by the SPK_OUT label point into after triode Q3 and the pre-amplification of Q5, realize the audio frequency intercommunication of radio access module and built-in FXS port 6, reach the purpose that WFXO port 4 inserts.

Micro-control unit is monitored the bell signal of radio access module always, in case ring occurs, then read caller ID and connect radio access module, connect built-in FXS port 6 simultaneously, just finish being connected of radio access module and built-in FXS port 6 this moment, realized the function of WFXO port 4.When hang-up signal appears in radio access module, then disconnect the connection of built-in FXS port 6, finish the access and the disconnection of a WFXO port 4.

The structural representation that Fig. 5 uses in system for the utility model.WFXO port 4 connects gateway and wireless network (GSM/CDMA/PHS) by air interface, when the user uses number on the making call WFXO port 4, gateway prompting user secondary dial tone-subscriber dialing-the other side answers-end of conversation, so just the WFXO port 4 that passes through of success uses the VOIP networking telephone, reduces communications cost; This equipment provides complete access scheme for the user, no longer is confined to the access and the break-even potential safety hazard thereof of analog of telephone line; The user opens the practical approach-WFXO port 4 or the FXS port 2 that can pass through circuit switch/switch 5 option interfaces as required.According to the operating environment of current wireless phone, WFXO port 4 can be supported GSM phone standard, CDMA phone standard, PHS phone standard.

Claims

1, a kind of multi-functional gateway of VOIP phone, comprise: answering the fxo port (1) that the wired landline telephone from non-VOIP user's calling inserts is that the VOIP phone inserts interchanger, with common analog telephone, facsimile machines etc. link to each other, the FXS port (2) of the access point of internet usage is provided for these equipment, and audio coding compression/decompression codec processing unit/IVR service module (3), it is characterized in that: comprise also and the mobile phone incoming end that audio coding compression/decompression codec processing unit/IVR service module (3) is connected that the wireless peripheral access interchanger of promptly answering from non-VOIP customer call is WFXO port (4).

2, the multi-functional gateway of VOIP phone according to claim 1, it is characterized in that: described WFXO port (4) inserts change-over circuit, CDMA phone by the GSM phone and inserts change-over circuit, PHS phone and insert in the change-over circuit one or more and form, and is connected with FXS port (2) with control unit (7) by interface conversion.

3, the multi-functional gateway of VOIP phone according to claim 1 and 2 is characterized in that: described WFXO port (4) does not have the junction block or the port of physics, is a kind of air interface of GSM telephone network, CDMA telephone network or PHS telephone network.

4, the multi-functional gateway of VOIP phone according to claim 1 and 2 is characterized in that: described WFXO port (4), FXS ports physical junction block (8) are connected with built-in FXS port (6) by circuit switch/switch (5).

5, the multi-functional gateway of VOIP phone according to claim 1 and 2, it is characterized in that: in the circuit of described WFXO port (4), insert power supply from the VOIP mainboard, by power conversion chip U2, be the radio access module power supply, constitute the power supply circuits of radio access module by inductance L 1, capacitor C 1, C2, diode D1; Control unit U1 adopts C8051F310 type microcontroller, by AT commands for controlling wireless module; Power conversion chip U3 is the microcontroller power supply; J6 writes a yard interface for radio access module PHS provides, and radio access module PHS is connected with computer by J6, and the number that operator is distributed is written in the PHS radio access module; Microcontroller is imported a high level on the HANG_UP label point connect radio access module and FXS port (2), FXS port (2) imports audio signal into radio access module by the SPK_IN label point, the audio signal of radio access module is imported FXS port (2) by the SPK_OUT label point into after triode Q3 and the pre-amplification of Q5, realize the audio frequency intercommunication of radio access module and built-in FXS port (6), realize the access of WFXO port (4).