CN201499315U

CN201499315U - Router with cordless telephone functions

Info

Publication number: CN201499315U
Application number: CN2009203060070U
Authority: CN
Inventors: 张卫海; 占国忠; 李智勇
Original assignee: Xiamen Stelcom Information & Technology Co Ltd
Current assignee: Xiamen Stelcom Information & Technology Co Ltd
Priority date: 2009-07-10
Filing date: 2009-07-10
Publication date: 2010-06-02
Anticipated expiration: 2019-07-10

Abstract

The utility model discloses a router with cordless telephone functions, which comprises a CPU processor, a 3 G module, a CODEC module, a DECT module, a WIFI network card, an exchanger module, a memory and a power supply module, wherein the CPU processor comprises a PCM transmission bus, a PCI interface and an MII interface. The 3 G module and the CPU processor are connected through signals, and the 3 G module is connected with an SIM card seat through signals. The CODEC module is connected between the PCM transmission bus and the 3 G module through signals. The DECT module is connected on the PCM transmission bus through signals. The WIFI network card is connected with the PCI interface through signals. The exchanger module is connected on the MII interface through signals. The memory is connected with the CPU processor through signals. The power supply module is connected with the CPU processor.

Description

A kind of router with cordless telephone function

Affiliated technical field

The utility model relates to a kind of router with cordless telephone function.

Background technology

The product form major function of 3G wireless router is at present: online, phone (connecting by telephone wire) and fax are integrated.Because the telephone function is received the telephone wire restriction, so user's use is restricted.

The utility model content

The utility model provides a kind of router with cordless telephone function, and it has overcome existing telephone wire restriction, the awkward deficiency of being subjected to of router of background technology.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of router with cordless telephone function, it comprises:

One CPU processor, it has a PCM transfer bus, a pci interface and a MII interface;

One 3G module, it is connected with the CPU processor signal, and this 3G module by signal is connected with the SIM card seat;

One CODEC module, its signal are connected between PCM transfer bus and the 3G module;

One DECT module, its signal is connected the PCM transfer bus;

One WIFI network interface card, its signal is connected pci interface;

One switch module, its signal is connected the MII interface;

One memory, its signal connects the CPU processor; And

One power module, it connects the CPU processor.

In one preferred embodiment, this switch module comprises that a signal is connected the switch control chip of MII interface, a signal is connected the Network Isolation voltage chip of switch control chip and the network interface that a plurality of signal connects Network Isolation voltage chip.

In one preferred embodiment, this CPU processor also has a GPIO interface, and its signal is connected with indicator light.

The technical program is compared with background technology: this patent is that DECT (cordless telephone) is integrated with the 3G wireless router, solve family or SOHO user, can not be subjected to the constraint of telephone wire, can freely walk about in the room and answer, be the firmly weapon that mobile operator strives for the domestic consumer.Since shared CPU such as this cordless telephone function, functionality, network interface the 3G module, so cost is low.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the block diagram of the router of a preferred embodiment of the present utility model.

Embodiment

A kind of router with cordless telephone function is please referred to Fig. 1, and it comprises a CPU processor, a 3G module, a CODEC module, a DECT module, a WIFI network interface card, a switch module, a memory, a power module and an indicator light.

This CPU processor has PCM (Highway) transfer bus, a pci interface, a MII interface, a USB interface and a GPIO interface that possesses the time gas exchange function.Wherein, the inner integrated DSP function (possessing the encoding and decoding speech function) of this CPU processor, it has radio facsimile T30 coding, and incoming call record is play the incoming call individual character and is welcome functions such as sound.

The USB interface signal of this 3G module and CPU processor is connected, and this 3G module by signal is connected with the SIM card seat.Wherein, this 3G wireless module support voice and data-transformation facility, it can support UART and two kinds of communication interfaces of USB.This CODEC module by signal is connected between PCM transfer bus and the 3G module.This CODEC module is exactly a codec, main be responsible for numeral-＞analog signal conversion (DAC) and simulating-＞conversion (ADC) of digital signal.

This switch module comprises that a signal is connected the switch control chip of MII interface, a signal is connected the Network Isolation voltage chip of switch control chip and the network interface that a plurality of signal connects the RJ45 interface network interface of Network Isolation voltage chip.This switch processes chip is connected with the MII interface of CPU, four or more a plurality of 10/100M auto-negotiation network interface externally are provided, for example, RTL8306SD RTL8306S RTL8306SD RTL8306SDM, it be one 6 mouthfuls Fast Ethernet chip integrated 6 MAC and 5 Phy Transceiver, can 10Base-T, the 100Base-TX transmission; All support outside MAC MII interface for the 6th mouthful and the 5th mouthful, outside MAC interface can be set to PHY pattern MII, MAC pattern MII, RMII pattern MII and CPU butt joint.This Network Isolation chip is the magnet assembly between a kind of contact exchange chip and the LAN mouth (RJ-45 network interface).The Network Isolation chip mainly acts on: the one, and the transmission data, the coil that the differential signal that it sends out PHY is coupled with differential mode is coupled filtering with enhancing signal, and is coupled to an other end of the connection netting twine of varying level by the conversion of electromagnetic field; The 2nd, the varying level of the heterogeneous networks equipment room that the isolation netting twine connects transmits damage equipment to prevent different voltages by netting twine.In addition, network isolation transformer also has functions such as impedance matching, waveform reparation, clutter inhibition and high voltage isolation, equipment is played certain lightning protection effect, with the safety of protection exchange chip.

This DECT module by signal connects the PCM transfer bus, and it can carry out all audio frequency, signal and the data processing of 2.4GHz number tape handheld device or base station at the 2.4GHz frequency range.Complete protocol stack and application interface are integrated with the ROM code form.The DECT module comprises RF (radio transceiver) function.This DECT module can be connected with DECT digital cord-less mobile communication terminal signal, is used to dial, answer phonetic function.This DECT (Digital Enhanced Cordless Telecommunication) module is meant the abbreviation of Digital Enhanced Cordless Telecommunications standard.

This WIFI network interface card signal is connected pci interface.The WIFI wireless network card possesses the MINI pci interface.Meet IEEE802.11g, IEEE 802.11b standard, transmission range: 100 meters of indoor coverages; 300 meters of outdoor coverages (because of environment different).So-called WiFi (being commonly called as WiMAX), be exactly the another name of IEEE 802.11b in fact, be by " the compatible alliance of wireless ethernet " (Wireless Ethernet Compatibility Alliance by name, WECA) the industry term that tissue is issued, Chinese are translated into " wireless compatible authentication ".

This memory signals connects the CPU processor.This memory, but extended address pattern maximum address arrives 1M * 16bit external program space, ROM in 4K * 16bit sheet, the two visit of 16K * 16bit ram in slice.It comprises storage chip and FLASH chip, is used for stored program and relevant configuration file.

This power module connects the CPU processor.Power module provides 5V, 3.3V, and 2V organizes working power more, thinks that the wireless wireless module of CPU, 3G, WIFI wireless network card, DECT module provide electric energy.

This indicator light signal connects the GPIO interface, and it comprises several light-emitting diodes, is controlled by the GPI of CPU.Be used for indication: the LAN mouth that network exchanging chip connects, the operating state of WAN mouth; The operating state of 3G wireless module, the operating state of WIFI wireless network card, system power supply operating state.

Among the present embodiment: can realize phonetic function on the router; On the wireless network router, realize that by 3G network wireless speech and data insert; On the wireless network router, realize the DECT digital cordless phone.

This router dial outside number process:

The dialing of DECT receiver off-book is sent by the 2.4G frequency band signals, the logical DECT antenna of DECT module receives the dialing request of DECT, the DECT module is by URT interface notice CPU, CPU distributes time slot SLOT 1 to give the DECT module by internal processes voice call control device notice PCM Highway transfer bus, the 3G module that CPU notifies the TTY of USB interface to connect by internal processes voice call control device simultaneously, and the TTY passage by USB sends the number that AT COMMAND transfers to the user to dial to module, and the 3G wireless communication module is sent instruction.

The called signal of answering is by the TTY passage notice CPU of wireless communication module by USB, CPU receives connection signal (connect) by internal processes voice call control device, notify PCM Highway transfer bus to distribute time slot SLOT 2 to give the CODEC module simultaneously, and the notice of the TTY passage by USB 3G wireless communication module is opened the pcm audio interface, called voice signal outputs to the CODEC module by the SPK (output) of 3G module, by outputing to behind the CODEC module coding on the time slot SLOT 2, the signal of the time slot SLOT 1 on the CPU control PCMHighway transfer bus and the signal of time slot SLOT 2 exchange.Just realize that the calling subscriber carries out voice call by DECT phone and far-end called.

Called Onhook, the 3G wireless communication module is notified CPU with Called Onhook signal (disconnect) by USB interface TTY passage, CPU removes voice channel by internal processes voice call control device notice DECT module, and the exchange of the signal of the signal of notice PCM Highway transfer bus dismounting time slot SLOT 1 and time slot SLOT 2, and discharge distributed time slot SLOT 1, time slot SLOT 2 resources, DECT module notice DECT phone is sent out busy tone, and discharges the voice channel resource.

Electric process is come in the outside of this router:

The number of this equipment of external call, the 3G wireless communication module is notified CPU with incoming telephone signal (incoming) by USB interface TTY passage, CPU sets up voice channel by internal processes voice call control device notice DECT module, allow the ring of DECT phone, the user uses the DECT phone to answer key, the DECT phone is answered signal (OFFHOOK) with the user and is sent to the DECT module, the DECT module is by URT interface notice CPU, CPU distributes time slot SLOT 1 to give the DECT module by internal processes voice call control device notice PCM Highway transfer bus, notify PCM Highway transfer bus to distribute time slot SLOT 2 to give the CODEC module simultaneously, CPU internal processes voice call control device is opened the pcm audio interface by the TTY passage notice 3G wireless communication module of USB, the voice signal of caller outputs to the CODEC module by the SPK (output) of 3G module, by outputing to behind the CODEC module coding on the time slot SLOT2, the signal of the time slot SLOT 1 on the CPU control PCM Highway transfer bus and the signal of time slot SLOT 2 exchange.Called audio signal receives logical at the DECT phone, give DECT module by 2.4GDECT digital cord-less passage, the DECT module is reduced to the time slot SLOT1 that the pcm audio coding outputs to PCM Highway transfer bus with audio signal, CPU control time slot SLOT 1 and time slot SLOT 2 swap datas, the voice signal of quilt is transferred to the CODEC module, the CODEC module is by decoding, with the pcm audio conversion of signals is the MIC interface that analog voice signal is given the 3G wireless module, and the 3G wireless module is given the far-end calling subscriber by mobile machine station.Just realize the caller of far-end and use the called subscriber of DECT phone to carry out voice call.

The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1. router with cordless telephone function, it is characterized in that: it comprises:

One DECT module, its signal is connected the PCM transfer bus;

One WIFI network interface card, its signal is connected pci interface;

One switch module, its signal is connected the MII interface;

One memory, its signal connects the CPU processor; And

One power module, it connects the CPU processor.

2. a kind of router with cordless telephone function according to claim 1 is characterized in that: this switch module comprises that a signal is connected the switch control chip of MII interface, a signal is connected the Network Isolation voltage chip of switch control chip and the network interface that a plurality of signal connects Network Isolation voltage chip.

3. a kind of router with cordless telephone function according to claim 1 and 2 is characterized in that: this CPU processor also has a GPIO interface, and its signal is connected with indicator light.