CN105450820B - A kind of method and system for establishing push to talk hand-free call - Google Patents
A kind of method and system for establishing push to talk hand-free call Download PDFInfo
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- CN105450820B CN105450820B CN201410424266.9A CN201410424266A CN105450820B CN 105450820 B CN105450820 B CN 105450820B CN 201410424266 A CN201410424266 A CN 201410424266A CN 105450820 B CN105450820 B CN 105450820B
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Abstract
The present invention provides a kind of method and system for establishing push to talk hand-free call, this method comprises: increasing " push to talk " key on caller device newly, and by the triggering calling of " push to talk " key, establish call request to switching equipment transmission；Switching equipment receives establish call request after, detect this and establish in call request whether comprising " push to talk " function to indicate information；If indicating information comprising " push to talk " function, switching equipment sends the off-hook instruction that information is indicated comprising " push to talk " function to called equipment；When called equipment receives this and includes the off-hook instruction that " push to talk " function indicates information, which instructs according to the off-hook carries out automatic off-hook operation, and establishes the call with the caller device.The present invention increases " push to talk " function newly on the basis of conventional telephone set, realizes called phone automatic off-hook and main dialing telephone quickly establishes the function of call, especially suitable for some callees can not off-hook particular surroundings and occasion.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method and system for establishing push to talk hand-free call.
Background technique
Existing pstn telephone operating mode is that called terminal ringing waits manual off-hook later, when calling is urgent or great thing
When feelings, the waiting time can be wasted, and seriously, be likely to result in irremediable consequence, such as fire；In addition it is not required to
When being called and wait the scheme of off-hook to use wireless PPT talk back equipment, but using PPT talk back equipment, signal transmission can be by
To various interference, such as indoor wall, weather, wireless signal, cause speech range closer, speech quality it is not high it is fatal lack
Point.
Summary of the invention
The purpose of the present invention is to provide a kind of method and system for establishing push to talk hand-free call, in conventional PSTN phone
On the basis of machine, " push to talk " function has been increased newly, to realize that the called off-hook that is not necessarily to can establish call automatically.
In order to achieve the above object, the present invention provides a kind of method for establishing push to talk hand-free call, comprising: caller device
Upper newly-increased " push to talk " key, caller device are sent out by the triggering calling of " push to talk " key, the caller device to switching equipment
It send and establishes call request；The switching equipment receives described after establishing call request, and detecting described establish in call request is
It is no to indicate information comprising " push to talk " function；If described establish in call request indicates information comprising " push to talk " function,
The switching equipment sends the off-hook instruction that information is indicated comprising " push to talk " function to the called equipment；In the quilt
When equipment being made to receive the off-hook instruction for indicating information comprising " push to talk " function, the called equipment is according to the off-hook
Instruction carries out automatic off-hook operation, and establishes the call with the caller device.
Further, the trigger action of " push to talk " key of the caller device is that user is not lifting handle, is only pressed
Under a completion on " push to talk " customized call in one group of key, the letter that operation triggering caller device is sent to switching equipment
It include the information that " push to talk " function indicates information and keypad numerals in order.
Further, the switching equipment detects that described establish in call request indicates comprising " push to talk " function
Information finds out the master by good " push to talk " the calling and called database of inquiry configured in advance according to calling number and key number
It calls out the numbers code and the corresponding one or more called numbers of key number, sends to one or more of called equipment comprising described " one
Key is logical " function indicates the off-hook instruction of information.
Further, the switching equipment is sent to the called equipment indicates information comprising " push to talk " function
Off-hook instruction, specifically: the switching equipment only sends a bell signal to the called equipment, and after bell signal
Information is indicated comprising " push to talk " function in incoming call identification signaling.
According to one aspect of the present invention, a kind of system for establishing push to talk hand-free call is additionally provided, comprising: caller is set
Standby, switching equipment and called equipment, wherein " push to talk " key is increased on the caller device newly, for passing through " a key
It is logical " key triggering calling, and call request is established to switching equipment transmission；The switching equipment leads to for detecting described establish
Whether include " push to talk " function expression information in words request；If described establish in call request comprising described " push to talk " function
It indicates information, the off-hook instruction for indicating information comprising " push to talk " function is sent to the called equipment；Described be called sets
It is standby, for instructing the call for carrying out automatic off-hook operation and establishing with the caller device according to the off-hook.
Further, the trigger action of " push to talk " key of the caller device is that user is not lifting handle, is only pressed
Under one on " push to talk " customized call in one group of key, callee does not need to carry out any operation, it will be able to turn on automatically
And the call of realization and calling party.
It further, include " push to talk " in the signaling that the trigger action triggering caller device is sent to switching equipment
The information of function expression information and keypad numerals.
Further, the switching equipment is further used for detecting described establish in call request comprising " a key
It is logical " function indicates information, and according to calling number and key number, passes through good " push to talk " the calling and called data of inquiry configured in advance
Library finds out the calling number and the corresponding one or more called numbers of key number, to one or more of called equipment
Send the off-hook instruction that information is indicated comprising " push to talk " function.
Further, the switching equipment is further used for only sending a bell signal to the called equipment, and
Information is indicated comprising " push to talk " function in incoming call identification signaling after bell signal.
Beneficial effects of the present invention: the present invention increases " push to talk " key, caller device newly on the basis of conventional telephone set
Any one " push to talk " key is pressed, establishes call request to switching equipment transmission, switching equipment receives foundation call and asks
After asking, detects this and whether establish in call request comprising " push to talk " function expression information；If including " push to talk " menu
Show information, then sends the off-hook instruction for indicating information comprising " push to talk " function to called equipment；Called equipment, which receives, includes
It is automatic to execute off-hook operation when " push to talk " function indicates the off-hook instruction of information, to establish the Instant Messenger with caller device
Words.In the present invention, called equipment automatic off-hook may be implemented, establish the quick conversation between caller device, it is particularly suitable
In some special environment and occasion, and the invention speech quality is high, is not influenced by weather, environment etc., strong interference immunity.
Detailed description of the invention
Fig. 1 is the flow chart of the method for establishing push to talk hand-free call of the embodiment of the present invention one；And
Fig. 2 is the structural schematic diagram of the system for establishing push to talk hand-free call of the embodiment of the present invention two.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one
As shown in Figure 1, the embodiment provides a kind of methods for establishing push to talk hand-free call, comprising:
Step 101, " push to talk " key is increased on caller device newly, caller device is called by the triggering of " push to talk " key,
The caller device establishes call request to switching equipment transmission；
Specifically, one or more " push to talk " keys are provided on the caller device；It specifically, should " push to talk " key
Trigger action be user in the case where not lifting handle, only need to be pressed on the caller device for having " push to talk " function
Any one " push to talk " key therein, it includes " a key which, which triggers in the signaling that caller device is sent to switching equipment,
It is logical " function indicates the information of information and keypad numerals；Specifically, the information of the keypad numerals can be " 3 ", mean corresponding the
Three " push to talk " keys " M3 ".
Further, this is established call request and is transmitted in the form of touch-tone signal (DTMF).
Step 102, the switching equipment receive it is described establish call request after, detect described establish in call request be
It is no to indicate information comprising " push to talk " function；If the call request of establishing includes that " push to talk " function indicates information, institute
It states switching equipment and sends the off-hook instruction for indicating information comprising " push to talk " function to the called equipment；
Specifically, switching equipment detect establish in call request comprising " push to talk " function indicate information when, according to master
It calls out the numbers code and key number, by good " push to talk " the calling and called database of inquiry configured in advance, finds out the calling number and key number
Corresponding one or more called number, sending to the called equipment of one or more indicates information comprising " push to talk " function
Off-hook instruction；The specific key number is meant that: as being provided with 5 " push to talk " keys, such as M1- on caller device
M5, then corresponding keys value is exactly 1-5.
Further, switching equipment sends the off-hook instruction that information is indicated comprising " push to talk " function, tool to called equipment
Body are as follows: switching equipment only sends a bell signal to called equipment, and in incoming call identification signaling (CID) after bell signal
Information is indicated comprising " push to talk " function, and specifically, off-hook instruction is transmitted in the form of frequency shift keyed signals (FSK).
Step 103, it when called equipment receives the off-hook instruction for indicating information comprising " push to talk " function, is called
Equipment is instructed according to the off-hook carries out automatic off-hook operation, and establishes the call with the caller device.
In an embodiment of the present invention, by increasing " push to talk " function newly on the basis of legacy telephony equipment, quilt is realized
It makes equipment automatic off-hook and caller device establish to converse, establishes the quick conversation between caller device and called equipment, especially
Suitable for some special environment and occasion, and anti-interference is good.
Further, switching equipment includes Calling Side switching equipment and callee side switching equipment, which will receive
To call request of establishing be sent to the step 102 of called equipment and include:
Firstly, the subscriber line interface controller of Calling Side switching equipment detects and establishes call request from caller device
When, which is established into the DSP driver that call request is sent to Calling Side switching equipment；Specifically, DSP driver category
In the APP application layer of Calling Side switching equipment, which is the core process of switching equipment, for sending signaling
To realize that various businesses are dispatched.
Then, DSP driver sends the service control module for establishing call request to Calling Side switching equipment；
Then, the service control module transmitting of Calling Side switching equipment establishes call request to Calling Side switching equipment
SIP module；
Then, the SIP module of Calling Side switching equipment establishes call request construction sip message according to this, and will be after construction
Sip message be sent to callee side switching equipment；Specifically, which is constructed by internal processes, which includes:
The IP address of called equipment, port information, the audio coding formats used.
Then, after the SIP module of callee side switching equipment receives the sip message from Calling Side switching equipment, from reception
To sip message in extract required information, and the information of extraction is sent to the service control module of callee side switching equipment；
Specifically, the IP address, port information and the audio coding formats used that required SIP information includes: caller device are extracted.
Then, the service control module of callee side switching equipment modifies callee side switching equipment according to the information of extraction
The parameter of ring duration in DSP driver；Specifically, in being drawn into information, there is the special field identification calling
For " push to talk " calling, after detecting the field, service control module modifies the parameter of the ring duration in DSP driver.
Then, DSP driver is raw by the subscriber line interface controller for calling ioctl function to control callee side switching equipment
It is instructed at off-hook；
Finally, subscriber line interface controller is sent to called equipment indicates that the off-hook of information refers to comprising " push to talk " function
It enables.
The present invention increases " push to talk " key newly on the basis of conventional telephone set, and caller device presses any one " key
It is logical " key, call request is established to the transmission of Calling Side switching equipment, Calling Side switching equipment establishes call request for what is received
Be sent to callee side switching equipment, callee side switching equipment receives establish call request after, detect this and establish in call request
Whether " push to talk " function expression information is included；If comprising " push to talk " function indicate information, callee side switching equipment to
Called equipment sends the off-hook instruction that information is indicated comprising " push to talk " function；Called equipment is received comprising " push to talk " function
It is automatic to execute off-hook operation when indicating the off-hook instruction of information, to establish the immediate communication with caller device.In the present invention
In, called equipment automatic off-hook may be implemented, the quick conversation between caller device is established, especially suitable for some special
Environment and occasion, and the invention speech quality is high, is not influenced by weather, environment etc., strong interference immunity.
Embodiment two
Corresponding to the method that one of above-described embodiment one establishes push to talk hand-free call, the present invention also provides one kind
The system for establishing push to talk hand-free call, as shown in Fig. 2, the system includes: caller device 201, switching equipment 202 and called sets
Standby 203,
Wherein, " push to talk " key is increased on caller device 201 newly, for being called by the triggering of " push to talk " key, and to
Call request is established in the transmission of switching equipment 202；
Specifically, the trigger action of caller device 201 " push to talk " key is that user is not lifting handle, is only pressed
A completion on " push to talk " customized call in one group of key, the operation trigger caller device 201 and send to switching equipment 202
Signaling in only include " push to talk " function indicate information and keypad numerals information.
The switching equipment 202, for receive it is described establish call request after, and detect this and establish in call request and be
It is no to indicate information comprising " push to talk " function；If it includes that " push to talk " function indicates information that this, which establishes call request, which is set
Standby 202 send the off-hook instruction that information is indicated comprising " push to talk " function to called equipment 203；
Further, which indicates for detecting that this is established in call request comprising " push to talk " function
When information, which is found out by good " push to talk " the calling and called database of inquiry configured in advance according to calling number and key number
It calls out the numbers code and the corresponding one or more called numbers of key number, sending to corresponding one or more called equipment 203 includes " one
Key is logical " function indicates the off-hook instruction of information.
Further, switching equipment 202 is sent to called equipment 203 indicates that the off-hook of information refers to comprising " push to talk " function
It enables, specifically: the switching equipment 202 is to bell signal of called equipment 203 transmissions, and the incoming call after bell signal is known
Information is indicated comprising " push to talk " function in other signaling (CID).
Called equipment 203, for instructing progress automatic off-hook operation according to off-hook and establishing logical with caller device 201
Words.
Further, with continued reference to Fig. 2, which includes: Calling Side switching equipment 2021 and callee side exchange
Equipment 2022, wherein
Calling Side switching equipment 2021 includes: the first subscriber line interface controller, the first DSP driver, first service control
Molding block, the first SIP module, wherein the first subscriber line interface controller is used to receive the foundation call from caller device 201
Request, and this is established into call request and is sent to the first DSP driver；First DSP driver, for this to be established call request
It is sent to first service control module；First service control module establishes call request to the first SIP module for transmitting this；
Posttectonic sip message for establishing call request construction sip message according to this, and is sent to callee side by the first SIP module
Switching equipment 2022；
Callee side switching equipment 2022 includes: the second SIP module, second service control module, the 2nd DSP driver,
Two subscriber line interface controllers, wherein the second SIP module, for receiving the sip message of the construction of Calling Side switching equipment 2021,
And required information is extracted from the sip message, the information of extraction is sent to second service control module；Second service control
Module modifies the parameter of the ring duration in the 2nd DSP driver for the information according to extraction；2nd DSP driver is used
In by calling ioctl function to control the generation off-hook instruction of second user line interface controller；Second user line interface controller,
For sending the off-hook instruction for indicating information comprising " push to talk " function to called equipment 203.
The present invention increases push to talk key newly on the basis of conventional telephone set, and caller device presses any one push to talk
Key establishes call request to the transmission of Calling Side switching equipment, and Calling Side switching equipment sends out the call request of establishing received
Give callee side switching equipment, callee side switching equipment receives establish call request after, detecting this and establishing in call request is
It is no to indicate information comprising " push to talk " function；If indicating information comprising " push to talk " function, callee side switching equipment is to quilt
Equipment is made to send the off-hook instruction for indicating information comprising " push to talk " function；Called equipment is received comprising " push to talk " menu
It is automatic to execute off-hook operation when showing the off-hook instruction of information, to establish the immediate communication with caller device.In the present invention,
Called equipment automatic off-hook may be implemented, the quick conversation between caller device is established, especially suitable for some special rings
Border and occasion, and the invention speech quality is high, is not influenced by weather, environment etc., strong interference immunity.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of method for establishing push to talk hand-free call characterized by comprising
Increase " push to talk " key on caller device newly, caller device passes through the triggering calling of " push to talk " key, the caller device
Call request is established to switching equipment transmission；Wherein, the trigger action of " push to talk " key of the caller device is that user exists
Do not lift handle, only presses one on " push to talk " customized call in one group of key；
The switching equipment receives described after establishing call request, detects described whether establishes in call request comprising " a key
It is logical " function expression information；If described establish in call request indicates information, the switching equipment comprising " push to talk " function
The off-hook instruction that information is indicated comprising " push to talk " function is sent to called equipment；
Wherein, the switching equipment is sent to the called equipment indicates that the off-hook of information refers to comprising " push to talk " function
It enables, specifically: the switching equipment passes through good " push to talk " the calling and called number of inquiry configured in advance according to calling number and key number
According to library, the calling number and the corresponding one or more called numbers of key number are found out, is set to one or more of be called
Preparation send the off-hook instruction that information is indicated comprising " push to talk " function；
Wherein, the switching equipment is sent to the called equipment indicates that the off-hook of information refers to comprising " push to talk " function
It enables, specifically: the switching equipment only sends a bell signal to the called equipment, and the incoming call after bell signal is known
Information is indicated comprising " push to talk " function in other signaling；
When the called equipment receives the off-hook instruction for indicating information comprising " push to talk " function, the called equipment
It is instructed according to the off-hook and carries out automatic off-hook operation, and establish the call with the caller device.
2. the method according to claim 1, wherein the letter that operation triggering caller device is sent to switching equipment
It include the information that " push to talk " function indicates information and keypad numerals in order.
3. the method according to claim 1, wherein the switching equipment detects described establish in call request
Information is indicated comprising " push to talk " function, according to calling number and key number, is passed through inquiry configured in advance good " push to talk "
Calling and called database finds out the calling number and the corresponding one or more called numbers of key number, to one or more
A called equipment sends the off-hook instruction that information is indicated comprising " push to talk " function.
4. a kind of system for establishing push to talk hand-free call characterized by comprising caller device, switching equipment and called set
It is standby, wherein
" push to talk " key is increased on the caller device newly, for by " push to talk " the key triggering calling, and to exchange
Call request is established in equipment transmission；Wherein, the trigger action of " push to talk " key of the caller device is that user is not lifting
Handle only presses one on " push to talk " customized call in one group of key；
The switching equipment, for detecting described whether establish in call request comprising " push to talk " function expression information；If institute
It states to establish in call request and indicates information comprising " push to talk " function, send to the called equipment comprising " a key
It is logical " function indicates the off-hook instruction of information；
Wherein, the switching equipment is further used for: according to calling number and key number, passing through the good " key of inquiry configured in advance
It is logical " calling and called database, find out the calling number and the corresponding one or more called numbers of key number, to one or
Multiple called equipment send the off-hook instruction that information is indicated comprising " push to talk " function；
Wherein, the switching equipment is further used for: only being sent a bell signal to the called equipment, and is believed in ring
Information is indicated comprising " push to talk " function in incoming call identification signaling after number
The called equipment, for instructing progress automatic off-hook operation according to the off-hook and establishing logical with the caller device
Words.
5. system according to claim 4, which is characterized in that the trigger action triggers caller device and sends out to switching equipment
It include the information that " push to talk " function indicates information and keypad numerals in the signaling sent.
6. system according to claim 4, which is characterized in that the switching equipment is further used for detecting the foundation
Information is indicated comprising " push to talk " function in call request, and according to calling number and key number, by inquiring configured in advance
Good " push to talk " calling and called database finds out the calling number and the corresponding one or more called numbers of key number, to
One or more of called equipment send the off-hook instruction that information is indicated comprising " push to talk " function.
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| CN201410424266.9A CN105450820B (en) | 2014-08-26 | 2014-08-26 | A kind of method and system for establishing push to talk hand-free call |
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| CN201410424266.9A CN105450820B (en) | 2014-08-26 | 2014-08-26 | A kind of method and system for establishing push to talk hand-free call |
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| CN105450820B true CN105450820B (en) | 2019-08-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018068230A1 (en) * | 2016-10-12 | 2018-04-19 | 海能达通信股份有限公司 | Telephone call method, apparatus and system, and scheduling server |
| CN112702467A (en) * | 2020-12-22 | 2021-04-23 | 北京佳讯飞鸿电气股份有限公司 | Automatic answering method and device for network telephone |
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| CN101217588A (en) * | 2008-01-03 | 2008-07-09 | 中兴通讯股份有限公司 | A communication terminal and corresponding method allowing automatic answering |
| CN202634540U (en) * | 2012-07-05 | 2012-12-26 | 天津华宁电子有限公司 | Mining double audio frequency telephone switchboard communication system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8611874B2 (en) * | 2008-08-26 | 2013-12-17 | Neustar Information Services, Inc. | Automated mobile intelligent call processing system |
| CN103702006A (en) * | 2013-12-16 | 2014-04-02 | 相阳 | Communication system scheme and implementation thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217588A (en) * | 2008-01-03 | 2008-07-09 | 中兴通讯股份有限公司 | A communication terminal and corresponding method allowing automatic answering |
| CN202634540U (en) * | 2012-07-05 | 2012-12-26 | 天津华宁电子有限公司 | Mining double audio frequency telephone switchboard communication system |
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