Unlock instant, AI-driven research and patent intelligence for your innovation.

Telephone voice service interface testing method and telephone voice interface device

A voice interface and voice service technology, applied in the field of communications, can solve the problems of reducing test accuracy, increasing the number of analog-to-digital/digital-to-analog conversions of voice signals, and increasing the complexity of POTS single-board testing, achieving simple design and improving test accuracy. Effect

Inactive Publication Date: 2011-03-23
HUAWEI TECH CO LTD
View PDF1 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] During the research and practice of the prior art, the inventor of the present invention found that the existing fault diagnosis method is to connect the POTS port with an external device, and analyze the analog voice signal of the POTS port to realize the POTS For the detection of the single board, because the analysis of the analog voice signal needs to be digitized, the quantitative analysis can be realized, so the POTS instrument needs to have an analog-to-digital conversion function, which increases the complexity of the POTS single board test, and the POTS instrument needs to be tested during the test. , increasing the number of voice signal analog-to-digital / digital-to-analog conversions, which reduces the test accuracy

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Telephone voice service interface testing method and telephone voice interface device
  • Telephone voice service interface testing method and telephone voice interface device
  • Telephone voice service interface testing method and telephone voice interface device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Embodiment 1. A method for testing a telephone voice service interface, the flow chart of which is as follows figure 2 shown, including:

[0048]S1, the codec receiving signal detection device of the POTS port of the POTS single board sends the first digital voice signal;

[0049] S2, the codec converts the digital voice signal into an analog voice signal and sends the analog voice signal to a DC loop maintainer;

[0050] S3, the codec receives the analog voice signal reflected by the DC loop holder, converts the analog voice signal into a second digital signal and sends it to the signal detection device, so that the signal detection device converts the first digital signal The voice signal is compared with the second digital voice signal to obtain a test result of the POTS single board.

[0051] In Embodiment 1 of the present invention, the signal detection device can perform signal detection under the remote control of the network management system. Specifically, t...

Embodiment 2

[0052] Embodiment 2, a method for testing a telephone voice service interface, the flow process is as shown in Figure 3, including:

[0053] A1, the signal detection device sends the first digital voice signal to the codec of the POTS port of the POTS single board;

[0054] Codec (CODEC) is a commonly used audio signal processing chip, which is used in telephone systems and computer audio processing fields. It is mainly responsible for digital->analog signal conversion (DAC) and analog->digital signal conversion (ADC).

[0055] The signal detection device in this embodiment can be a built-in self-test (Build-In SelfTest, BIST) module, can use modules such as existing or proprietary DSP, micro control unit (MicroControllerUnit, MCU) on the speech system to realize processing Voice processing. The signal detection device may be on the POTS board itself, or outside the POTS board. When the signal detection device is integrated inside the POTS board, it can share resources with ...

Embodiment 3

[0086] Embodiment 3, a kind of telephone voice service interface testing method, the flow chart is as follows Figure 8 shown, including:

[0087] T1, the first codec of the first POTS port of the POTS single board receives the first digital voice signal sent by the signal detection device;

[0088] T2, the codec converts the first digital voice signal into an analog voice signal and sends the analog voice signal to a signal loopback module;

[0089] T3, the signal loopback module couples the analog voice signal to the second codec of the second POTS port;

[0090] T4, the second codec converts the analog voice signal into a second digital signal and sends it to the signal detection device, so that the signal detection device converts the first digital voice signal and the second digital voice signal The test results of the POTS single board are obtained by comparison.

[0091] In the telephone voice service interface testing method of this embodiment, by adding a simple si...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a telephone voice service interface testing method and a telephone voice interface device. The embodiment of the invention is as follows: a signal detection device is connected with the encoding-decoding module of a POTS board, the encoding-decoding module is used to convert the digital voice signals of the signal detection device to analog voice signals, after the analog voice signals pass through a direct current loop retainer or returned by a signal loopback module, the analog voice signals are converted to digital voice signals by the encoding-decoding module and transmitted to the signal detection device; and the signal detection device compares the transmitted digital voice signals with the received digital voice signals to realize the detection of the POTS board. Compared with the prior art, the signal detection device does not need to convert the analog signals to the digital signals for comparison; the device of the invention has simple design; and in the signal detection process, the time of analog-to-digital convertions is reduced and the testing precision is increased.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a telephone voice service interface testing method and a telephone voice interface device. Background technique [0002] Public Switch Telephone Network (PSTN-Public Switch Telephone Network), that is, the telephone network commonly used in our daily life. As we all know, PSTN is a circuit switching network based on analog technology. In the current telephone network network, the voice of the user end phone passes through the user line (cable), the distribution frame of the central office, and finally connects to the access device of the central office. Multiplexing (Time Division Multiplexing, TDM) data is uplinked to the PSTN network. [0003] The uplink of the earlier traditional telephone service (Plain Old Telephone Service, POTS) is TDM data. With the development of technology, voice data is transmitted through the Internet Protocol (Internet Protocol, IP), and the ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04M3/30H04M11/06
Inventor 唐能权张双王伟
Owner HUAWEI TECH CO LTD