CN114339641A - Method for arbitrary call intercommunication between PSTN telephone and equipment in wireless ad hoc network or PDT system - Google Patents

Method for arbitrary call intercommunication between PSTN telephone and equipment in wireless ad hoc network or PDT system Download PDF

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Publication number
CN114339641A
CN114339641A CN202111479924.0A CN202111479924A CN114339641A CN 114339641 A CN114339641 A CN 114339641A CN 202111479924 A CN202111479924 A CN 202111479924A CN 114339641 A CN114339641 A CN 114339641A
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call
hoc network
user
pdt system
equipment
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CN202111479924.0A
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左涛
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Abstract

The invention discloses a method for a PSTN telephone to randomly call equipment in a wireless ad hoc network or a PDT system, which belongs to the technical field of communication and comprises the following steps: s1: sending a call request; s2: calling instantly; s3: answering immediately; s4: sending a prompt tone for three times, hanging up the call if no input condition exists in any period of the three times, and automatically carrying out the next step if input exists in any period of the three times; s5: analyzing the dialing sequence, judging whether the dialing sequence is effective or not, if so, establishing a call with target equipment in the ad hoc network or the PDT system, if not, sending a prompt tone for three times, if no re-input condition exists in the three times, hanging up the call, if any input exists in any one of the three times, analyzing again, judging whether the dialing sequence is effective or not, if so, establishing a call with the target equipment in the ad hoc network or the PDT system, and if not, hanging up the call; the invention realizes the function of arbitrary call intercommunication between the PSTN telephone and the equipment in the wireless ad hoc network or PDT system and improves the application range of the method.

Description

Method for arbitrary call intercommunication between PSTN telephone and equipment in wireless ad hoc network or PDT system
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a method for arbitrary call intercommunication between a PSTN telephone and equipment in a wireless ad hoc network or PDT system.
Background
With the development of the multi-network converged communication market and the maturity of ad hoc networks and PDT technologies, the demand for establishing communication between PSTN fixed telephones and ad hoc networks or PDT systems is more and more strong.
However, at present, there is no research on any call intercommunication related technology between PSTN phone and wireless ad hoc network or device in PDT system, so it is necessary to design a method for any call intercommunication between PSTN phone and wireless ad hoc network or device in PDT system to fill the current blank.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a method for realizing arbitrary call intercommunication between a PSTN telephone and equipment in a wireless ad hoc network or a PDT system, which has the characteristics of realizing the arbitrary call intercommunication between the PSTN telephone and the equipment in the wireless ad hoc network or the PDT system and improving the application range of the method.
It is another object of the present invention to provide a method for devices within a wireless ad hoc network or PDT system to arbitrarily call a PSTN phone.
In order to achieve the purpose, the invention provides the following technical scheme: the method for the PSTN telephone to randomly call the equipment in the wireless ad hoc network or PDT system comprises the following steps:
s1: public network users send call requests to the Internet gateway equipment through PSTN fixed telephones;
s2: after receiving a call request sent by a public network user through a PSTN fixed telephone, the Internet gateway equipment immediately calls access equipment in an ad hoc network or a PDT system;
s3: after receiving a call request sent by an internet gateway device, access equipment in an ad hoc network or a PDT system answers immediately;
s4: after the access equipment in the ad-hoc network or PDT system answers, a prompt tone of a target number requiring the user to input a call is sent to the public network user for the first time, a number input timer is started, if the public network user has no input condition within ten seconds of sending the prompt tone of the target number requiring the user to input the call for the first time, the prompt tone of the target number requiring the user to input the call is sent to the public network user for the second time, if the public network user has no input condition within ten seconds of sending the prompt tone of the target number requiring the user to input the call for the second time, the prompt tone of the target number requiring the user to input the call is sent to the public network user for the third time, if the public network user has no input condition within ten seconds of sending the prompt tone of the target number requiring the user to input the call for the third time, the input is overtime, the call establishment fails, the access equipment in the ad-hoc network or PDT system hangs up the call with the public network user, during the period, the public network user inputs the number in turn as required within ten seconds of sending the prompt tone of the target number requiring the public network user to input the call at any time, and then the next step is automatically carried out;
s5: the access equipment in the ad hoc network or PDT system analyzes the dialing sequence from the DTMF signal and judges whether the input number is the equipment number in the effective ad hoc network or PDT system, if the input number is the equipment number in the effective ad hoc network or PDT system, the access equipment in the ad hoc network or PDT system establishes the call with the target equipment in the ad hoc network or PDT system, the call between the target equipment in the ad hoc network or PDT system and the public network user is continued, if the input number is the equipment number in the ineffective ad hoc network or PDT system, the access equipment in the ad hoc network or PDT system sends the prompt tone of the target number of the re-input call to the public network user, the step S4 is repeated for three times, if no re-input condition exists during the repeated three times, the input is overtime, the call establishment fails, and the access equipment in the ad hoc or PDT system hangs up the call with the public network user, if the public network user re-inputs the number according to the requirement in any period of repeating three times, the access equipment in the ad hoc network or PDT system analyzes the dialing sequence from the DTMF signal and judges whether the re-input number is the effective equipment number in the ad hoc network or PDT system, if the re-input number is the effective equipment number in the ad hoc network or PDT system, the access equipment in the ad hoc network or PDT system establishes the call with the target equipment in the ad hoc network or PDT system, so that the call between the target equipment in the ad hoc network or PDT system and the public network user is continued, if the re-input number is the ineffective equipment number in the ad hoc network or PDT system, the input is overtime, the call establishment fails, and the access equipment in the ad hoc network or PDT system hangs up the call with the public network user.
Further, in the present invention, in step S4, the sound of the alert tone of the destination number requested to be called by the user, which is transmitted three times, is gradually increased.
Further, in the present invention, in step S5, the tone of the destination number of the re-input call sent three times is gradually increased.
The method for the equipment in the wireless ad hoc network or the PDT system to randomly call the PSTN phone comprises the following steps:
and SA: a user inputs a target number in an ad hoc network or a PDT system to send a call request;
SB: after receiving a call request sent by a user in the ad hoc network or PDT system, the ad hoc network or PDT system checks whether the user in the ad hoc network or PDT system has the authority of calling a PSTN user, if the user does not have the authority of calling the PSTN user, the call establishment fails, a prompt tone without the authority of calling is sent to the user in the ad hoc network or PDT system, and if the user has the authority of calling the PSTN user, the ad hoc network or PDT system immediately sends the call request to access equipment in the ad hoc network or PDT system;
SC: after receiving a call request sent by the ad hoc network or the PDT system, access equipment in the ad hoc network or the PDT system immediately sends the call request to the Internet gateway equipment;
SD: after receiving a call request sent by access equipment in an ad hoc network or PDT system, the Internet gateway equipment initiates a call to a specified PSTN user.
Further, in the step SA, the destination number is composed of a public network number and a transfer code, and the transfer code needs to be added in front of the public network number.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention gives the public network user the ability of randomly dialing the equipment in the ad hoc network or PDT system by a secondary dialing mode, and simultaneously gives the user the ability of randomly dialing the PSTN user in the ad hoc network or PDT system by checking the user authority so as to meet the requirement of reducing the complexity of the routing rule of the internet gateway equipment.
2. The invention sends the prompt tone of the target number requiring the input call and the prompt tone of the target number requiring the input call again for three times, can give enough input time to the public network user, helps the public network user to better communicate with the self-networking or PDT system, and the sound of the three prompt tones is in the trend of gradually increasing, so that the method is well suitable for the old people with hearing loss or the people with hearing impairment, and the application range of the method is improved.
Drawings
FIG. 1 is a flow chart of a method of the present invention for a PSTN phone to arbitrarily call a device within a wireless ad hoc network or PDT system;
fig. 2 is a flow chart of the method for the device in the wireless ad hoc network or PDT system to arbitrarily call the PSTN phone according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides the following technical solutions: the method for the PSTN telephone to randomly call the equipment in the wireless ad hoc network or PDT system comprises the following steps:
s1: public network users send call requests to the Internet gateway equipment through PSTN fixed telephones;
s2: after receiving a call request sent by a public network user through a PSTN fixed telephone, the Internet gateway equipment immediately calls access equipment in an ad hoc network or a PDT system;
s3: after receiving a call request sent by an internet gateway device, access equipment in an ad hoc network or a PDT system answers immediately;
s4: after the access equipment in the ad-hoc network or PDT system answers, the access equipment in the ad-hoc network or PDT system firstly sends a prompt tone of a target number requiring the user to input a call to the public network user, and starts a number input timer, if the public network user has no input condition within ten seconds of the first time sending the prompt tone of the target number requiring the user to input the call, the public network user sends the prompt tone of the target number requiring the user to input the call to the public network user for the second time by using a sound larger than the first prompt tone, if the public network user has no input condition within ten seconds of the second time sending the prompt tone of the target number requiring the user to input the call, the public network user sends the prompt tone of the target number requiring the user to input the call for the third time by using a sound larger than the second prompt tone for the third time, the input is overtime, the call establishment is failed, and the access equipment in the ad-hoc network or PDT system hangs up the call with the user, during the period, the public network user inputs the numbers in turn as required within ten seconds of sending the prompt tone of the target number requiring the public network user to input the call at any time, and then the next step is automatically carried out;
s5: the access equipment in the ad hoc network or PDT system analyzes a dialing sequence from the DTMF signal and judges whether the input number is a valid equipment number in the ad hoc network or PDT system, if the input number is the valid equipment number in the ad hoc network or PDT system, the access equipment in the ad hoc network or PDT system establishes a call with a target equipment in the ad hoc network or PDT system, the call between the target equipment in the ad hoc network or PDT system and a public network user is continued, if the input number is the invalid equipment number in the ad hoc network or PDT system, the access equipment in the ad hoc network or PDT system sends a prompt tone of re-inputting the called target number to the public network user, the step S4 is repeated for three times, the repeated sound for three times is gradually increased, if no re-inputting condition exists during the repeated three times, the input is overtime, the call establishment fails, the access equipment in the ad hoc network or PDT system hangs up the call with the public network user, if the public network user re-inputs the number according to the requirement in any period of repeating three times, the access equipment in the ad hoc network or PDT system analyzes the dialing sequence from the DTMF signal and judges whether the re-input number is the effective equipment number in the ad hoc network or PDT system, if the re-input number is the effective equipment number in the ad hoc network or PDT system, the access equipment in the ad hoc network or PDT system establishes the call with the target equipment in the ad hoc network or PDT system, so that the call between the target equipment in the ad hoc network or PDT system and the public network user is continued, if the re-input number is the ineffective equipment number in the ad hoc network or PDT system, the input is overtime, the call establishment fails, and the access equipment in the ad hoc network or PDT system hangs up the call with the public network user.
Referring to fig. 2, the present invention provides the following technical solutions: the method for the equipment in the wireless ad hoc network or the PDT system to randomly call the PSTN phone comprises the following steps:
and SA: a user inputs a target number in the ad hoc network or the PDT system, the target number is composed of a public network number and a transfer code, the transfer code is added in front of the public network number, and a call request is sent;
SB: after receiving a call request sent by a user in the ad hoc network or PDT system, the ad hoc network or PDT system checks whether the user in the ad hoc network or PDT system has the authority of calling a PSTN user, if the user does not have the authority of calling the PSTN user, the call establishment fails, a prompt tone without the authority of calling is sent to the user in the ad hoc network or PDT system, and if the user has the authority of calling the PSTN user, the ad hoc network or PDT system immediately sends the call request to access equipment in the ad hoc network or PDT system;
SC: after receiving a call request sent by the ad hoc network or the PDT system, access equipment in the ad hoc network or the PDT system immediately sends the call request to the Internet gateway equipment;
SD: after receiving a call request sent by access equipment in an ad hoc network or PDT system, the Internet gateway equipment initiates a call to a specified PSTN user.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

  1. A method for a PSTN telephone to randomly call equipment in a wireless ad hoc network or a PDT system is characterized by comprising the following steps:
    s1: public network users send call requests to the Internet gateway equipment through PSTN fixed telephones;
    s2: after receiving a call request sent by a public network user through a PSTN fixed telephone, the Internet gateway equipment immediately calls access equipment in an ad hoc network or a PDT system;
    s3: after receiving a call request sent by an internet gateway device, access equipment in an ad hoc network or a PDT system answers immediately;
    s4: after the access equipment in the ad-hoc network or PDT system answers, a prompt tone of a target number requiring the user to input a call is sent to the public network user for the first time, a number input timer is started, if the public network user has no input condition within ten seconds of sending the prompt tone of the target number requiring the user to input the call for the first time, the prompt tone of the target number requiring the user to input the call is sent to the public network user for the second time, if the public network user has no input condition within ten seconds of sending the prompt tone of the target number requiring the user to input the call for the second time, the prompt tone of the target number requiring the user to input the call is sent to the public network user for the third time, if the public network user has no input condition within ten seconds of sending the prompt tone of the target number requiring the user to input the call for the third time, the input is overtime, the call establishment fails, the access equipment in the ad-hoc network or PDT system hangs up the call with the public network user, during the period, the public network user inputs the number in turn as required within ten seconds of sending the prompt tone of the target number requiring the public network user to input the call at any time, and then the next step is automatically carried out;
    s5: the access equipment in the ad hoc network or PDT system analyzes the dialing sequence from the DTMF signal and judges whether the input number is the equipment number in the effective ad hoc network or PDT system, if the input number is the equipment number in the effective ad hoc network or PDT system, the access equipment in the ad hoc network or PDT system establishes the call with the target equipment in the ad hoc network or PDT system, the call between the target equipment in the ad hoc network or PDT system and the public network user is continued, if the input number is the equipment number in the ineffective ad hoc network or PDT system, the access equipment in the ad hoc network or PDT system sends the prompt tone of the target number of the re-input call to the public network user, the step S4 is repeated for three times, if no re-input condition exists during the repeated three times, the input is overtime, the call establishment fails, and the access equipment in the ad hoc or PDT system hangs up the call with the public network user, if the public network user re-inputs the number according to the requirement in any period of repeating three times, the access equipment in the ad hoc network or PDT system analyzes the dialing sequence from the DTMF signal and judges whether the re-input number is the effective equipment number in the ad hoc network or PDT system, if the re-input number is the effective equipment number in the ad hoc network or PDT system, the access equipment in the ad hoc network or PDT system establishes the call with the target equipment in the ad hoc network or PDT system, so that the call between the target equipment in the ad hoc network or PDT system and the public network user is continued, if the re-input number is the ineffective equipment number in the ad hoc network or PDT system, the input is overtime, the call establishment fails, and the access equipment in the ad hoc network or PDT system hangs up the call with the public network user.
  2. 2. The method of any call interworking of a PSTN phone with a device within a wireless ad hoc network or PDT system as claimed in claim 1, wherein: in step S4, the tone of the destination number to which the incoming call is requested, which is transmitted three times, is gradually increased.
  3. 3. The method of any call interworking of a PSTN phone with a device within a wireless ad hoc network or PDT system as claimed in claim 1, wherein: in step S5, the tone of the destination number of the re-input call sent three times is gradually increased.
  4. 4. The method for randomly calling the PSTN telephone by the equipment in the wireless ad hoc network or PDT system is characterized by comprising the following steps:
    and SA: a user inputs a target number in an ad hoc network or a PDT system to send a call request;
    SB: after receiving a call request sent by a user in the ad hoc network or PDT system, the ad hoc network or PDT system checks whether the user in the ad hoc network or PDT system has the authority of calling a PSTN user, if the user does not have the authority of calling the PSTN user, the call establishment fails, a prompt tone without the authority of calling is sent to the user in the ad hoc network or PDT system, and if the user has the authority of calling the PSTN user, the ad hoc network or PDT system immediately sends the call request to access equipment in the ad hoc network or PDT system;
    SC: after receiving a call request sent by the ad hoc network or the PDT system, access equipment in the ad hoc network or the PDT system immediately sends the call request to the Internet gateway equipment;
    SD: after receiving a call request sent by access equipment in an ad hoc network or PDT system, the Internet gateway equipment initiates a call to a specified PSTN user.
  5. 5. A method for any call to a PSTN phone by a device within a wireless ad hoc network or PDT system as claimed in claim 4, wherein: in the step SA, the destination number is composed of a public network number and a transfer code, and the transfer code needs to be added in front of the public network number.
CN202111479924.0A 2021-12-06 2021-12-06 Method for arbitrary call intercommunication between PSTN telephone and equipment in wireless ad hoc network or PDT system Withdrawn CN114339641A (en)

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CN202111479924.0A CN114339641A (en) 2021-12-06 2021-12-06 Method for arbitrary call intercommunication between PSTN telephone and equipment in wireless ad hoc network or PDT system

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CN202111479924.0A CN114339641A (en) 2021-12-06 2021-12-06 Method for arbitrary call intercommunication between PSTN telephone and equipment in wireless ad hoc network or PDT system

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CN114339641A true CN114339641A (en) 2022-04-12

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Application publication date: 20220412