Mobile terminal with the function of wired communication

• US 8,744,517 B2
• Filed: 02/22/2011
• Issued: 06/03/2014
• Est. Priority Date: 09/06/2010
• Status: Active Grant

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: Liang, Xiguang
• Primary Examiner(s): Jackson, Blane J
• Application Number:
  US13/574,924
• Publication Number:
  US 20120295659A1
• Time in Patent Office: 1,197 Days
• Field of Search: 455/556.1, 455/550.1, 455/552.1, 455/567, 455/566, 455/574
• US Class Current: 455/552.1
• CPC Class Codes: H04M 1/725 Cordless telephones user interfaces specially adapted therefor H04M1/724
• CPC Class Codes: H04M 1/738 Interface circuits for coupling substations to external telephone lines H04M1/78 takes precedence
• CPC Class Codes: H04W 74/00 Wireless channel access
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: H04W 88/02 Terminal devices

Abstract

A mobile terminal is provided including: a fixed network access control module for connecting the terminal with an analog user line and notifying the central processor that the mobile terminal is connected with the fixed telephone network in the situation where the analog user line is connected to the analog user line interface; a dual-tone multi-frequency processing module for identifying a selecting signal from analog user line and sending it to central processor; a call processing module for extracting a voice signal on the analog user line, sending it to an audio output device, and sending a voice signal from user to the analog user line; a mobile communication module for achieving communication between the mobile terminal and the exterior; and the central processor for processing the signaling from dual-tone multi-frequency processing module and sending the signaling to be transmitted via network to the dual-tone multi-frequency processing module.

Claims

1. A mobile terminal, comprising a central processor, a fixed network access control module, a dual-tone multi-frequency processing module, a call processing module, a mobile communication module and an electronic switch module, wherein

the fixed network access control module connected to the central processor comprises an analog user line interface, configured to connect the mobile terminal with an analog user line and notify the central processor that the mobile terminal is connected with a fixed telephone network in a situation where the analog user line is connected to the analog user line interface;

the dual-tone multi-frequency processing module connected to the central processor is configured to identify a selecting signal from the analog user line, send the selecting signal to the central processor and send a selecting signal from the central processor to the analog user line;

the call processing module is configured to extract a voice signal on the analog user line, send the voice signal to an audio output device of the mobile terminal for playing and send a voice signal from a user to the analog user line;

the mobile communication module is configured to achieve communication between the mobile terminal and an exterior based on a wireless network;

the central processor is configured to process a signaling from the dual-tone multi-frequency processing module, and send a signaling which needs to pass through a user line to the dual-tone multi-frequency processing module, and control the electronic switch module to close a radio frequency function of the mobile communication module in a situation where the fixed network access control module notifies that the mobile terminal is connected with the fixed telephone network.

2. The mobile terminal according to claim 1, further comprising:

a ringing current processing module, which is connected to the central processor and is configured to identify a ringing current signal from the analog user line and send a ringing corresponding to the ringing current signal to the central processor.

3. The mobile terminal according to claim 2, wherein the central processor is further configured to determine whether or not a called terminal of a call corresponding to the ringing current signal is the mobile terminal according to a called terminal identifier of an incoming call received by the dual-tone multi-frequency processing module and control the mobile terminal to carry out call prompt in a situation where a result is determined to be yes.

4. The mobile terminal according to claim 3, further comprising an audio input module and an audio output module, wherein

the call processing module is configured to send a voice signal which is generated by a user through the audio input module to the analog user line, and send a voice signal from the analog user line to the audio output module.

5. The mobile terminal according to claim 4, wherein the electronic switch module is further configured to connect the audio input module and audio output module to the call processing module or the central processor under control of the central processor.

6. The mobile terminal according to claim 2, further comprising an audio input module and an audio output module, wherein

the call processing module is configured to send a voice signal which is generated by a user through the audio input module to the analog user line, and send a voice signal from the analog user line to the audio output module.

7. The mobile terminal according to claim 6, wherein the electronic switch module is further configured to connect the audio input module and audio output module to the call processing module or the central processor under control of the central processor.

8. The mobile terminal according to claim 1, further comprising:

a signal tone processing module, which is connected to the central processor and is configured to identify a signal tone from the analog user line and send information of the signal tone to the central processor.

9. The mobile terminal according to claim 8, further comprising an audio input module and an audio output module, wherein

the call processing module is configured to send a voice signal which is generated by a user through the audio input module to the analog user line, and send a voice signal from the analog user line to the audio output module.

10. The mobile terminal according to claim 9, wherein the electronic switch module is further configured to connect the audio input module and audio output module to the call processing module or the central processor under control of the central processor.

11. The mobile terminal according to claim 1, wherein the electronic switch module is further configured to connect at least one of the dual-tone multi-frequency processing module, the call processing module and a ringing current processing module to the analog user line under control of the central processor.

12. The mobile terminal according to claim 11, wherein

the central processor is further configured to control the electronic switch module to connect the ringing current processing module to the analog user line in a situation where the mobile terminal accesses the fixed telephone network.

13. The mobile terminal according to claim 11, further comprising an audio input module and an audio output module, wherein

the call processing module is configured to send a voice signal which is generated by a user through the audio input module to the analog user line, and send a voice signal from the analog user line to the audio output module.

14. The mobile terminal according to claim 13, wherein the electronic switch module is further configured to connect the audio input module and audio output module to the call processing module or the central processor under control of the central processor.

15. The mobile terminal according to claim 12, further comprising an audio input module and an audio output module, wherein

the call processing module is configured to send a voice signal which is generated by a user through the audio input module to the analog user line, and send a voice signal from the analog user line to the audio output module.

16. The mobile terminal according to claim 11, wherein

the central processor is further configured to control the electronic switch module to connect the call processing module to the analog user line in a situation where the mobile terminal needs to carry out a call.

17. The mobile terminal according to claim 16, further comprising an audio input module and an audio output module, wherein

the call processing module is configured to send a voice signal which is generated by a user through the audio input module to the analog user line, and send a voice signal from the analog user line to the audio output module.

18. The mobile terminal according to claim 1, further comprising an audio input module and an audio output module, wherein

the call processing module is configured to send a voice signal which is generated by a user through the audio input module to the analog user line, and send a voice signal from the analog user line to the audio output module.

19. The mobile terminal according to claim 18, wherein the electronic switch module is further configured to connect the audio input module and audio output module to the call processing module or the central processor under control of the central processor.

20. The mobile terminal according to claim 1, wherein the central processor is a baseband processor or a central processing unit.