CN103533462A - Call transferring method and device based on conventional interphone communication system - Google Patents
Call transferring method and device based on conventional interphone communication system Download PDFInfo
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Abstract
An embodiment of the invention discloses a call transferring method and device based on a conventional interphone communication system. The method comprises the steps as follows: a first interphone sends a call transferring request to a second interphone, and the call transferring request comprises a request type, own identification code and a second interphone identification code; and the first interphone sends preset feedback information to the second interphone, the second interphone is allowed to store the feedback information, and the stored feedback information is sent to a calling party when a call request is received, wherein a called party of the call request is the first interphone. With the adoption of the technical scheme, status information of the called party can be obtained by the calling party in a call transferring mode, and resource waste caused by repeated ineffective calling is avoided, so that the communication quality is improved.
Description
Technical Field
The invention relates to the technical field of mobile communication, in particular to a call forwarding method and device based on an interphone conventional communication system.
Background
As a wireless communication tool, the interphone has the characteristic of quick communication establishment in one-to-one and one-to-many directional special communication, and particularly, the one-to-many characteristic is incomparable with the common mobile phone. The prior interphone is widely applied to government departments such as troops, public security, safety, rescue, public utilities and the like, and along with the development of economy and the increase of the requirements of people on mobile communication, the interphone gradually starts to be applied to civil occasions such as taxi dispatching, security, property management, construction sites, hotels and the like. With the first time public interphones opened by the national radio regulatory committee, individuals can legally use and purchase short-range interphones.
The conventional interphone communication system has no central management or no dispatching desk, and when people actually use the interphone, the following problems often occur: when the called party is powered off or when the battery capacity of the interphone of the called party is insufficient or the called party leaves the service area, the called party can not answer after the calling party initiates the call, and the specific state information of the called party can not be known, so that the called party can be called for a long time. The occurrence of such a situation affects the communication quality of the intercom.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a call forwarding method and device based on an intercom conventional communication system, wherein a call forwarding request is sent to establish call forwarding, and preset feedback information is sent to the second intercom, so that the second intercom receives and stores the feedback information.
The invention discloses the following technical scheme:
the invention discloses a call forwarding method based on an interphone conventional communication system, which comprises the following steps:
the method comprises the following steps that a first interphone sends a call transfer request to a second interphone, and the call transfer request comprises the following steps: request type, local identification code and the second intercom identification code;
the first interphone sends preset feedback information to the second interphone so that the second interphone stores the feedback information, and the stored feedback information is sent to a calling party when a calling request that a called party is the first interphone is received.
Optionally, the call forwarding request adopts a control signaling block structure, and the control signaling block includes: a control signaling block identification code for identifying the type of request and a data field for carrying the device and the second intercom id.
Optionally, the method further includes:
after a first interphone sends a call transfer request to a second interphone, the first interphone receives a grant response sent by the second interphone, and the grant response is used for indicating that the call transfer is successfully established; after receiving the grant response, the first interphone sends preset feedback information to the second interphone; or,
before a first interphone sends a call transfer request to a second interphone, the first interphone acquires the state of the second interphone, and after the second interphone is confirmed to be in an executable call transfer state, the first interphone sends the call transfer request to the second interphone.
Optionally, the method further includes:
the first interphone sends a request for canceling call forwarding to the second interphone so that the second interphone deletes the feedback information and cancels call forwarding, wherein the request for canceling call forwarding comprises: a request type, a local identification code and the second intercom identification code.
In a second aspect, the present invention also discloses a call forwarding method based on the conventional intercom communication system, including:
the second interphone receives preset feedback information and a call forwarding request sent by the first interphone, wherein the call forwarding request comprises: requesting the type and the identification codes of the first interphone and the second interphone;
the second interphone analyzes the call forwarding request to obtain the first interphone identity identification code, and the first interphone identity identification code and the feedback information are correspondingly stored;
and when the second interphone receives a calling request that a called party is a first interphone, the second interphone sends the feedback information corresponding to the first interphone identity identification code to a calling party.
Optionally, the method further includes:
and the second interphone sends the first interphone identification code and the feedback information to a third interphone so that the third interphone correspondingly stores the first interphone identification code and the feedback information, and sends the feedback information to a calling party when a calling request that a called party is the first interphone is received.
Optionally, the method further includes:
the second interphone sends a grant response to the first interphone so that the first interphone determines that the call forwarding is successfully established, and the grant response is used for indicating that the call forwarding is successfully established; and/or:
and the second interphone receives a call transfer canceling request sent by the first interphone and deletes the first interphone identification code and the feedback information.
In a third aspect, the present invention further discloses a call forwarding device based on the conventional intercom communication system, including:
a first sending unit, configured to send a call forwarding request to a second intercom, where the call forwarding request includes: request type, local identification code and the second intercom identification code;
and the second sending unit is used for sending preset feedback information to the second interphone so that the second interphone stores the feedback information, and sending the feedback information to the calling party when receiving the calling request that the called party is the first interphone.
Optionally, the apparatus further comprises:
the first receiving unit is used for receiving a grant response sent by a second interphone after sending a call forwarding request to the second interphone, and indicating the second sending unit to send preset feedback information to the second interphone after receiving the grant response, wherein the grant response is used for indicating that call forwarding is successfully established; or,
and the first determining unit is used for acquiring the state of the second interphone, determining that the second interphone is in the executable call forwarding state, and indicating the first sending unit to send a call forwarding request to the second interphone after determining that the second interphone is in the executable call forwarding state.
Optionally, the apparatus further comprises:
a third sending unit, configured to send a request to cancel call forwarding to the second intercom, so that the second intercom deletes the feedback information and cancels call forwarding, where the request to cancel call forwarding includes: a request type, a local identification code and the second intercom identification code.
In a fourth aspect, the present invention further discloses a call feedback device based on the conventional intercom communication system, including:
a first receiving unit, configured to receive preset feedback information and a call forwarding request sent by a first intercom, where the call forwarding request includes: requesting the type and the identification codes of the first interphone and the second interphone;
the first analysis unit is used for analyzing the call forwarding request to obtain the first interphone identity identification code and correspondingly storing the first interphone identity identification code and the feedback information;
and the first sending unit is used for sending the feedback information corresponding to the first interphone identity identification code to a calling party when receiving a calling request that a called party is a first interphone.
Optionally, the apparatus further comprises:
and the second sending unit is used for sending the first interphone identification code and the feedback information to a third interphone so that the third interphone correspondingly stores the first interphone identification code and the feedback information, and sending the feedback information to a calling party when a calling request that the called party is the first interphone is received.
Optionally, the apparatus further comprises:
a third sending unit, configured to send a grant response to the first intercom to enable the first intercom to determine that the call forwarding establishment is successful, where the grant response is used to indicate that the call forwarding establishment is successful; and/or the presence of a gas in the gas,
and the second receiving unit is used for receiving a call transfer canceling request sent by the first interphone and deleting the first interphone identity identification code and the feedback information.
As can be seen from the above description, the beneficial effects of the present invention are:
in the scheme of the invention, a first interphone sends a call transfer request to a second interphone and receives a grant response sent by the second interphone; the processing enables call transfer between the first interphone and the second interphone to be successfully established; then, the first interphone sends preset feedback information to the second interphone, so that the second interphone receives and stores the feedback information, and sends the feedback information to a calling party when receiving a calling request of the called party as the first interphone. The processing makes the second interphone send the stored feedback information to the calling party when the calling party calls the first interphone, so that the calling party can know the state information of the called party and does not continue to call the called party, and resources are wasted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flowchart of an embodiment 1 of a call forwarding method based on a conventional intercom communication system according to the present disclosure;
FIG. 2 is a diagram of a frame structure of a control signaling block according to the present invention;
FIG. 3 is a flowchart of an embodiment 2 of a call forwarding method based on a conventional intercom communication system according to the present disclosure;
FIG. 4 is a flowchart of an embodiment 3 of a call forwarding method based on a conventional intercom communication system disclosed in the present invention;
FIG. 5 is a flowchart of an embodiment 4 of a call forwarding method based on a conventional intercom communication system disclosed in the present invention;
FIG. 6 is a block diagram of a call forwarding device 1 based on a conventional intercom communication system according to an embodiment of the present invention;
FIG. 7 is a block diagram of a call forwarding device of embodiment 2 based on a conventional intercom communication system according to the present invention;
fig. 8 is a block diagram of a call transfer device of embodiment 3 based on the conventional intercom communication system.
Detailed Description
In order to make the technical field better understand the scheme of the embodiment of the invention, the following detailed description of the embodiment of the invention is provided in conjunction with the accompanying drawings and the implementation mode.
Example one
Please refer to fig. 1, which is a flowchart illustrating a call forwarding method 1 based on a conventional intercom communication system according to an embodiment of the present invention, the embodiment is described from the perspective of a call forwarding initiator, and the method includes:
When the first interphone is in any state of a user busy state, a service area leaving state, a battery alarm state or an interphone state, the first interphone cannot communicate with other interphones in the system any more, so that in order to provide a call transfer service for the first interphone, the first interphone needs to send a call transfer request to a second interphone providing the call transfer service.
Optionally, the call forwarding request adopts a control signaling block structure, and the control signaling block includes: a control signaling block identification code for identifying the type of request and a data field for carrying the device and the second intercom id.
In the digital mobile Radio standard (DMR), a Control Signaling Block (CSBK) has a common 96-bit information field, including 80-bit signaling and 16-bit crc, and in a conventional mode, the CSBK is used to transmit single-call or group-call control signaling. The CSBK structure is shown in the schematic diagram of fig. 2, where lb (last Block) represents a last Block flag, pf (protect flag) represents a protection flag, csbko (control signaling Block opcode) represents a control signaling operation code, fid (featureidentification id) represents a function identification code, and Data represents Data information, which may include: the source address, the destination address, etc., and the CSBK CRC (control signaling Block Cyclic Redundancy check) represent a control signaling Cyclic check code, wherein 2-9 fields of octets and 6-bit CSBKO can be set by a user according to the requirement of the user. The first interphone and the second interphone are two interphones capable of communicating with each other in an interphone communication system.
And 102, the first interphone sends preset feedback information to the second interphone so that the second interphone stores the feedback information, and the stored feedback information is sent to a calling party when a calling request that a called party is the first interphone is received.
After step 101, sending a call forwarding request to the second intercom, the first intercom then sends preset feedback information to the second intercom, where the feedback information includes a state to which the local intercom is about to enter, so as to inform the calling party of the state of the first intercom. Such as: when the first interphone is insufficient in electric quantity, a call forwarding request is initiated, and the preset feedback information can be that the electric quantity of the first interphone is insufficient; when the first interphone is not located in the server, a call forwarding request is initiated, and the preset feedback information can be that the first interphone is not located in the service area; when the first interphone is to be powered off, a call forwarding request is initiated, and the preset feedback information can be that the first interphone is powered off. Therefore, the preset feedback information is used for informing the calling party of the state of the first interphone when the first interphone cannot talk.
Because the functions of the existing different types of interphones are different, and some interphones cannot support the function of storing voice, different forms of feedback information can be set according to the conditions of the interphones in practical application.
Optionally, the feedback information may be in any one or more forms of voice message, text message, digital message, or symbolic message.
The method comprises the steps that a first interphone sends preset feedback information to a second interphone, the second interphone stores the feedback information, when any one interphone in a system sends a calling request, the second interphone receives the calling request, analyzes the calling request and judges whether a called party is the first interphone, and if the called party is the first interphone, the stored feedback information is sent to the calling party.
In practical applications, different interphones may establish a call forwarding relationship with the same interphone, that is, one interphone may carry call forwarding of multiple interphones, and after call forwarding is established, feedback information sent by each interphone is received, and the feedback information and a corresponding interphone Identification code (ID) are both stored, for example: the interphones 1, 2 and 3 establish call forwarding relations with the interphone 5 respectively, then the interphones 1, 2 and 3 send preset feedback information 1, 2 and 3 to the interphone 5 respectively, after the interphone 5 receives the feedback information 1, 2 and 3, the ID of the feedback information 1 and the ID of the interphone 1 are stored respectively, the ID of the feedback information 2 and the ID of the interphone 2 and the ID of the feedback information 3 and the ID of the interphone 3 are stored, then when a call request exists in the system, the interphone 5 receives the call request, analyzes the call request to obtain the ID of a called party, judges whether the ID of the called party is any one of the IDs of the interphones 1, 2 and 3, if yes, the feedback information corresponding to the ID of the interphone of the called party is sent to the calling party, and if not, the feedback information is not processed.
As can be seen from the above embodiments of the present invention, a call forwarding request is sent from a first intercom to a second intercom, where the call forwarding request includes: request type, local identification code and the second intercom identification code; the first interphone sends preset feedback information to the second interphone, so that the second interphone stores the feedback information, and the feedback information is sent to a calling party when a calling request that the called party is the first interphone is received. Therefore, the first interphone can ensure that the second interphone informs the state information of other calling parties when the first interphone cannot communicate by establishing a call forwarding mode and sending feedback information, so that the calling parties can know the state information of the called parties and do not continue to call to waste resources.
When the first interphone returns to the service area or the new battery is replaced, the first interphone is sufficient in electric quantity or is restarted, and normal communication can be carried out, so that the problems that when a calling party of the first interphone is in communication with the first interphone, and meanwhile feedback information sent by the second interphone is received, resources are wasted and communication is affected are solved, and embodiment 2 of the call transfer method based on the conventional interphone communication system is further provided.
Please refer to fig. 3, which is a flowchart illustrating a call forwarding method based on a conventional intercom communication system according to embodiment 2 of the present invention, the method includes:
The steps 201-202 are the same as the steps 101-102 in the embodiment 1, and are not described herein again.
When the first interphone returns to the service area or a new battery is replaced to ensure that the electric quantity is sufficient or the first interphone is restarted, the first interphone can answer the call, at the moment, in order to ensure the communication quality between the interphones, a call transfer canceling request is sent to the second interphone, then the first interphone receives a grant response sent by the second interphone, the second interphone agrees to cancel the call transfer established before, and the second interphone deletes the feedback information stored before and cancels the call transfer. After the processing, the second interphone does not bear the call transfer service of the first interphone any more, when a call request sent by the interphone for calling the first interphone exists, the first interphone receives the request and directly communicates with a calling party, and because the second interphone cancels the call transfer established before and deletes feedback information, when the second interphone also receives the call request, the called party is analyzed not to be processed by itself, and whether the called party is the first interphone or not is not judged any more, and feedback information is not sent any more.
As can be seen from the above embodiments of the present invention, compared with the embodiment 1 of the call forwarding method based on the conventional intercom communication system, the present embodiment adds that the first intercom sends a request for canceling call forwarding to the second intercom, so that the second intercom deletes the feedback information, thereby ensuring that the phenomenon of sending feedback information to the calling party does not occur any more when the first intercom is in normal communication, and ensuring normal communication of the first intercom.
On the basis of the above method embodiment 1 or 2, in order to ensure that the first intercom successfully establishes call forwarding, the invention also provides the following embodiment;
optionally, after the first interphone sends a call forwarding request to the second interphone, the first interphone receives a grant response sent by the second interphone, where the grant response is used to indicate that call forwarding is successfully established; after receiving the grant response, the first interphone sends feedback information carrying the state of the first interphone to the second interphone; or,
optionally, before the first intercom sends the call forwarding request to the second intercom, the first intercom acquires the state of the second intercom, and after confirming that the second intercom is in the executable call forwarding state, the first intercom sends the call forwarding request to the second intercom.
Through the two processing modes, the first interphone can be ensured to determine that the call forwarding is successfully established.
The method of the present invention is described below from the perspective of a call forwarding receiver, i.e. a second intercom, please refer to fig. 4, which is a flowchart of an embodiment 3 of the call forwarding method based on the intercom conventional communication system disclosed in the present invention, the method includes:
step 301, the second intercom receives preset feedback information and a call forwarding request sent by the first intercom, and the call forwarding request includes: the request type, the first interphone and the second interphone identification code.
And 302, the second interphone analyzes the call forwarding request to obtain the first interphone identification code, and correspondingly stores the first interphone identification code and the feedback information.
And the second interphone analyzes the call forwarding request to know that the request type is call forwarding, if the request is sent by the first interphone, the second interphone establishes call forwarding for the first interphone, and the first interphone identity identification code and the feedback information are correspondingly stored. The second interphone can receive the call forwarding requests sent by the plurality of interphones and respectively establish call forwarding for the interphone, namely, each interphone identity identification code and the corresponding feedback information are stored.
Step 303, when the second interphone receives the call request that the called party is the first interphone, the second interphone sends the feedback information corresponding to the first interphone identification code to the calling party.
In actual communication, the second interphone receives a call request sent by any one interphone in the system, analyzes the call request and checks whether the called party is the first interphone, and if so, sends feedback information corresponding to the identification code of the first interphone to the calling party. Therefore, the calling party can timely know the state of the first interphone, and blind repeated calling is avoided.
The method of the present invention is described below from the perspective of a call forwarding receiver, i.e. a second intercom, please refer to fig. 5, which is a flowchart of an embodiment 4 of the call forwarding method based on the intercom conventional communication system disclosed in the present invention, the method includes:
After the second interphone establishes call forwarding for the first interphone, because the second interphone is not in a service area or the battery power is insufficient or is about to be shut down, and the like, the second interphone cannot provide call forwarding service for the first interphone any more, in order to ensure that the call forwarding of the first interphone can be normally executed, the second interphone forwards the call forwarding to the third interphone, so that the third interphone provides call forwarding service for the first interphone.
As can be seen from the above examples: in the process that the second interphone serves the first interphone, when the second interphone finds that the second interphone can not provide the call transfer service for the first interphone any more, the call transfer service can be handed over to other interphones, so that the other interphones provide the call transfer service for the first interphone, and the call transfer of the first interphone is guaranteed to be normally executed.
On the basis of the above method embodiment 3 or 4, in order to make the first intercom timely determine that the call forwarding establishment between the first intercom and the second intercom is successful, the present invention also provides the following alternatives.
Optionally, after the second intercom receives the call forwarding request sent by the first intercom, the second intercom sends a grant response to the first intercom, so that the first intercom determines that the call forwarding establishment is successful, and the grant response is used for indicating that the call forwarding establishment is successful; and/or:
in order to ensure that the second intercom cancels the call forwarding provided to the first intercom when it is able to communicate normally, the invention also provides the following alternatives.
Optionally, the second interphone receives a call forwarding cancellation request sent by the first interphone, and deletes the first interphone id and the feedback information.
Corresponding to the above embodiment 1 of the call transfer method based on the conventional intercom communication system, the present invention also provides an embodiment 1 of the call transfer device based on the conventional intercom communication system. The call forwarding device in the embodiment of the present invention refers to an intercom, and the embodiment of the present invention explains the first intercom in terms of which call forwarding needs to be established.
Please refer to fig. 6, which is a schematic diagram of a call forwarding device 1 based on a conventional intercom communication system according to an embodiment of the present invention, the device includes: a first transmission unit 501 and a second transmission unit 502. The internal structure and the connection relationship thereof will be further described below in conjunction with the working principle of the device.
A first sending unit 501, configured to send a call forwarding request to a second intercom, where the call forwarding request includes: request type, local identification code and the second intercom identification code;
a second sending unit 502, configured to send preset feedback information to the second intercom, so that the second intercom stores the feedback information, and sends the stored feedback information to the calling party when receiving a call request that the called party is the first intercom.
Optionally, the call forwarding request adopts a control signaling block structure, and the control signaling block includes: a control signaling block identification code for identifying the type of request and a data field for carrying the device and the second intercom id.
Optionally, the feedback information may be any one or more of voice information, short message information, and symbol information.
As can be seen from the above embodiments of the present invention, the call forwarding apparatus based on the conventional intercom communication system according to the present invention enables the existing intercom to send a call forwarding request to the second intercom, where the call forwarding request includes: request type, local identification code and the second intercom identification code; and then sending preset feedback information to the second interphone so that the second interphone stores the feedback information, and sending the feedback information to the calling party when receiving a calling request that the called party is the first interphone. The processing makes the second interphone send the stored feedback information to the calling party when the calling party calls the device, so that the calling party can know the state information of the called party and does not continue to call to waste resources.
The invention also provides an embodiment 2 of the call transfer device based on the conventional communication system of the interphone. The device includes: a first transmission unit 601, a second transmission unit 602, and a third transmission unit 603. On the basis of the foregoing device embodiment 1, the third sending unit 603 added in this embodiment is configured to send a call transfer cancellation request to the second intercom, so that the second intercom deletes the feedback information and cancels call transfer, where the call transfer cancellation request includes: a request type, a local identification code and the second intercom identification code.
When the device can normally communicate and wants to cancel the call forwarding established with the second interphone, the third sending unit can send the call forwarding cancellation to enable the second interphone to delete the previously stored feedback information and cancel the call forwarding.
It can be seen from the foregoing embodiments of the present invention that, in addition to the apparatus embodiment 1, a third sending unit is added, so that when the apparatus according to the embodiments of the present invention is capable of normal communication, the call forwarding established before is cancelled to ensure normal communication of the apparatus itself.
Please refer to fig. 8, which is a schematic diagram of an embodiment 3 of a call forwarding device based on a conventional intercom communication system according to the present invention, the device is described from the perspective of a second intercom providing a call forwarding service, and the device includes: a first receiving unit 701, a first analyzing unit 702, and a first transmitting unit 703. The internal structure and the connection relationship thereof will be further described below in conjunction with the working principle of the device.
A first receiving unit 701, configured to receive preset feedback information and a call forwarding request sent by a first intercom, where the call forwarding request includes: requesting the type and the identification codes of the first interphone and the second interphone;
a first analyzing unit 702, configured to analyze the call forwarding request to obtain the first intercom identification code, and correspondingly store the first intercom identification code and the feedback information;
the first sending unit 703 is configured to send the feedback information corresponding to the first intercom id code to the calling party when receiving a call request that the called party is the first intercom.
It can be seen from the above-described embodiments of the present invention that: the device stores the received first interphone identification code and the feedback information, and sends the corresponding feedback information to the calling party when the called party is the first interphone, so that the call transfer provided for the first interphone is realized, the calling party is ensured to know the state information of the first interphone in time, and the resource waste caused by multiple useless calls is avoided.
The present invention also provides an alternative to add a second sending unit on the basis of embodiment 3 of the above-mentioned device in order to ensure that the call forwarding can be performed normally when the above-mentioned device cannot continue to provide the call forwarding service.
Optionally, the second sending unit is configured to send the first intercom identification code and the feedback information to a third intercom, so that the third intercom correspondingly stores the first intercom identification code and the feedback information, and sends the feedback information to the caller when a call request that the called party is the first intercom is received.
In order to inform the call forwarding initiator of the establishment situation of the call forwarding of the first intercom in time, the embodiment of the present invention adds a third sending unit on the basis of the above-mentioned implementation 3.
Optionally, the third sending unit is configured to send a grant response to the first intercom to enable the first intercom to determine that the call forwarding establishment is successful, where the grant response is used to indicate that the call forwarding establishment is successful.
In order to ensure that the call forwarding relationship can be timely released when the first interphone can communicate normally, a second receiving unit is added on the basis of embodiment 3.
Optionally, the second receiving unit is configured to receive a request for canceling call forwarding sent by the first intercom, and delete the first intercom id code and the feedback information.
It is noted that relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It should be noted that, as will be understood by those skilled in the art, all or part of the processes in the methods of the above embodiments may be implemented by a computer program, which may be stored in a computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The method and the device for call forwarding based on the conventional intercom communication system provided by the invention are described in detail, the principle and the implementation mode of the invention are explained by applying specific embodiments, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (11)
1. A call transfer method based on an interphone conventional communication system is characterized by comprising the following steps:
the method comprises the following steps that a first interphone sends a call transfer request to a second interphone, and the call transfer request comprises the following steps: request type, local identification code and the second intercom identification code;
the first interphone sends preset feedback information to the second interphone so that the second interphone stores the feedback information, and the stored feedback information is sent to a calling party when a calling request that a called party is the first interphone is received.
2. The method of claim 1, wherein the call forwarding request employs a control signaling block structure, and wherein the control signaling block comprises: a control signaling block identification code for identifying the type of request and a data field for carrying the device and the second intercom id.
3. The method of claim 1, further comprising:
after a first interphone sends a call transfer request to a second interphone, the first interphone receives a grant response sent by the second interphone, and the grant response is used for indicating that the call transfer is successfully established; after receiving the grant response, the first interphone sends preset feedback information to the second interphone; or,
before a first interphone sends a call transfer request to a second interphone, the first interphone acquires the state of the second interphone, and after the second interphone is confirmed to be in an executable call transfer state, the first interphone sends the call transfer request to the second interphone.
4. The method of claim 1, further comprising:
the first interphone sends a request for canceling call forwarding to the second interphone so that the second interphone deletes the feedback information and cancels call forwarding, wherein the request for canceling call forwarding comprises: a request type, a local identification code and the second intercom identification code.
5. A call transfer method based on an interphone conventional communication system is characterized by comprising the following steps:
the second interphone receives preset feedback information and a call forwarding request sent by the first interphone, wherein the call forwarding request comprises: requesting the type and the identification codes of the first interphone and the second interphone;
the second interphone analyzes the call forwarding request to obtain the first interphone identity identification code, and the first interphone identity identification code and the feedback information are correspondingly stored;
and when the second interphone receives a calling request that a called party is a first interphone, the second interphone sends the feedback information corresponding to the first interphone identity identification code to a calling party.
6. The method of claim 5, further comprising:
the second interphone sends a grant response to the first interphone so that the first interphone determines that the call forwarding is successfully established, and the grant response is used for indicating that the call forwarding is successfully established; and/or:
and the second interphone receives a call transfer canceling request sent by the first interphone and deletes the first interphone identification code and the feedback information.
7. Call transfer device based on conventional communication system of intercom, its characterized in that includes:
a first sending unit, configured to send a call forwarding request to a second intercom, where the call forwarding request includes: request type, local identification code and the second intercom identification code;
and the second sending unit is used for sending preset feedback information to the second interphone so that the second interphone stores the feedback information, and sending the feedback information to the calling party when receiving the calling request that the called party is the first interphone.
8. The apparatus of claim 7, further comprising:
the first receiving unit is used for receiving a grant response sent by a second interphone after sending a call forwarding request to the second interphone, and indicating the second sending unit to send preset feedback information to the second interphone after receiving the grant response, wherein the grant response is used for indicating that call forwarding is successfully established; or,
and the first determining unit is used for acquiring the state of the second interphone, determining that the second interphone is in the executable call forwarding state, and indicating the first sending unit to send a call forwarding request to the second interphone after determining that the second interphone is in the executable call forwarding state.
9. The apparatus of claim 7, further comprising:
a third sending unit, configured to send a request to cancel call forwarding to the second intercom, so that the second intercom deletes the feedback information and cancels call forwarding, where the request to cancel call forwarding includes: a request type, a local identification code and the second intercom identification code.
10. Call transfer device based on conventional communication system of intercom, its characterized in that includes:
a first receiving unit, configured to receive preset feedback information and a call forwarding request sent by a first intercom, where the call forwarding request includes: requesting the type and the identification codes of the first interphone and the second interphone;
the first analysis unit is used for analyzing the call forwarding request to obtain the first interphone identity identification code and correspondingly storing the first interphone identity identification code and the feedback information;
and the first sending unit is used for sending the feedback information corresponding to the first interphone identity identification code to a calling party when receiving a calling request that a called party is a first interphone.
11. The apparatus of claim 10, further comprising:
a third sending unit, configured to send a grant response to the first intercom to enable the first intercom to determine that the call forwarding establishment is successful, where the grant response is used to indicate that the call forwarding establishment is successful; and/or the presence of a gas in the gas,
and the second receiving unit is used for receiving a call transfer canceling request sent by the first interphone and deleting the first interphone identity identification code and the feedback information.
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| CN201310538120.2A CN103533462B (en) | 2013-11-04 | 2013-11-04 | Call transferring method based on intercom Conventional communication systems and device |
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| CN201310538120.2A CN103533462B (en) | 2013-11-04 | 2013-11-04 | Call transferring method based on intercom Conventional communication systems and device |
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| CN110191378A (en) * | 2019-06-17 | 2019-08-30 | 深圳市慧智慧科技有限公司 | A kind of intercommunication means of communication, device, system, storage medium and intercom |
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| CN103533462B (en) | 2016-09-07 |
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