CN101197595B - Method for acquiring external line state in Bluetooth cordless telephone system - Google Patents
Method for acquiring external line state in Bluetooth cordless telephone system Download PDFInfo
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- CN101197595B CN101197595B CN2006101642434A CN200610164243A CN101197595B CN 101197595 B CN101197595 B CN 101197595B CN 2006101642434 A CN2006101642434 A CN 2006101642434A CN 200610164243 A CN200610164243 A CN 200610164243A CN 101197595 B CN101197595 B CN 101197595B
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Abstract
The invention discloses a method of acquiring an external mode in a Bluetooth cordless telephone system to solve the problem that a Bluetooth terminal can not real-time realize the external mode connected with a service network. The method includes the following steps: normal service connections of a plurality of Bluetooth terminals and Bluetooth gateways in the service range of the Bluetooth gateway are established; when the external mode of a service network line connected with an uplink of the Bluetooth gateway is changed, the Bluetooth gateway inform changed information of the external mode to all Bluetooth terminals connected with the Bluetooth gateway; after the Bluetooth terminals receive the changed information of the external mode, a corresponding mode update processing is executed. The invention can obviously increase the perceptibility of the Bluetooth terminal to the external mode, and is favorable for the determination of the terminal and a service user to the external mode. Moreover, because the external mode can be acquired before the Bluetooth terminal initiates a service, the invention can improve the success ratio for conversation connection.
Description
Technical field
The present invention relates to the Bluetooth cordless telephone system in the wireless communication field, be specifically related in Bluetooth cordless telephone system, obtain the method for Bluetooth gateway (AP) external line state.
Background technology
At present, along with the development of Bluetooth technology and industrial chain thereof, blue tooth products is enriched constantly.Blue tooth products is with characteristics such as cost are low, low in energy consumption, volume is little, standard (SIG standard) is open, and the application on wireless terminal obtains constantly popularizing.
The special interest group of bluetooth (Special Interest Group, be called for short SIG), as the standardization body of bluetooth, it from hardware module, intermediate protocol layer and high-end applications normalized definition a whole set of Bluetooth protocol architecture.
As having defined a kind of Bluetooth cordless telephone application framework (CordlessTelephone Profile is called for short CTP) in the SIG standard, a kind of approach that utilizes Bluetooth technology to realize cordless telephone has been proposed.(Access Point AP) forms with the Bluetooth cordless telephone terminal by Bluetooth gateway in this system.Utilize bluetooth air interface to carry out the transmission of voice and control signaling between the two.
In Bluetooth cordless telephone system, because a Bluetooth gateway can link to each other with a plurality of Bluetooth terminals, and professional outside line is shared, so the probability of status changes such as outside line is busy, free time is bigger.And Bluetooth terminal will be made correct business and judged, need know the state with the up service network winding thread that is connected of Bluetooth gateway (AP) (like the PSTN line), i.e. external line state.
Because the function of SIG tissue definition is also very limited, when combining concrete application, its method that provides still is apparent not enough.With regard to obtaining this business demand of external line state in the Bluetooth cordless telephone system, according to the function of SIG tissue definition, Bluetooth terminal is after inserting blueteeth network; Unknown under the default situations to external line state; Only when business is initiated, take a whirl at professional very inconvenience again.Particularly, in the existing Bluetooth technology, the terminal makes a call to gateway and sets up message, starts a timer simultaneously, like the then timer zero clearing that normally continues, if timer expiry or receive failure reason value (feedback of other state) is then learnt external line state in view of the above.
Obtain the mode of external line state based on Bluetooth cordless telephone system in the prior art, Bluetooth terminal external line state to blueteeth network after inserting blueteeth network is unknown, has only through initiating business, just can learn external line state.Like this, when external line state just often the terminal use generally can not feel what inconvenience.But because the user can only just attempt knowing external line state when business is initiated; If the blueteeth network outside line just was in fault or busy state before business is initiated; And the user has no way of finding out about it to this, only after attempting to call, just can obtain the prompting that can not get through, and this obviously is inconvenient.
Summary of the invention
It is thus clear that, to the up external line state change that links to each other with business network of AP, be that non real-time can be known according to the prior art Bluetooth terminal, have only when professional initiation is attempted, just can obtain outside line information.This mode for the terminal of dual network standby, has reduced the talking connection success rate on the one hand, and the terminal is low to the perceptibility of external line state on the other hand, is unfavorable for the judgement to external line state of terminal and service-user.Such as, when outline fault or when busy, after the user attempts to call, just can't point out the user to connect easily.
For this reason, can not understand the problem of the external line state that links to each other with business network in real time, the present invention proposes a kind of method, can let the terminal understand the outside line situation that links to each other with business network in real time, thereby make correct business judgement to Bluetooth terminal in the prior art.
According to an aspect of the present invention; A kind of method of in Bluetooth cordless telephone system, obtaining Bluetooth gateway (AP) external line state is provided; Said Bluetooth cordless telephone system is made up of some Bluetooth terminals and Bluetooth gateway; The up access business network of said Bluetooth gateway, descending and some Bluetooth terminals utilize bluetooth to eat dishes without rice or wine to link to each other, and said method comprises the following steps: that the some Bluetooth terminals within the Bluetooth gateway scope of business set up regular traffic with Bluetooth gateway and be connected; When the external line state with the up service network winding thread that is connected of Bluetooth gateway changes, notify the Bluetooth terminal that is connected with said Bluetooth gateway to all by the information that said Bluetooth gateway changes external line state; Said Bluetooth terminal is carried out corresponding state update processing after receiving the external line state change message.
Under the preferable case; The method of in Bluetooth cordless telephone system, obtaining the Bluetooth gateway external line state of the present invention; The information that external line state is changed by Bluetooth gateway notify to all with Bluetooth terminal that Bluetooth gateway is connected before; This method also comprises definite step, and when the external line state with the up service network winding thread that is connected of Bluetooth gateway changed, said Bluetooth gateway judged whether to notify the Bluetooth terminal that is connected with said Bluetooth gateway to all with the external line state information of changing according to service logic; Wherein, with the external line state of the up service network winding thread that is connected of Bluetooth gateway change be in the following variation one of at least: idle-busy; Busy-free time; Busy-fault, free time-fault, fault-free time.
Under the preferable case,, when changing, external line state do not send notice when being one of following: idle-busy, busy-free time according to service logic of the present invention; When changing, external line state sends notice when being one of following: busy-fault, free time-fault, fault-free time.
Under the preferable case, among the present invention, said Bluetooth gateway utilization does not have the information that connection phone control protocol message notifies external line state to change.Said Bluetooth terminal utilization does not have the phone of connection control protocol message and sends external line state renewal acknowledge message to Bluetooth gateway.
The present invention is through when the external line state migration and variation; Send a notification message with Bluetooth terminal that this Bluetooth gateway is connected to all by Bluetooth gateway immediately; Obviously strengthened the perceptibility of Bluetooth terminal, helped the judgement of terminal and service-user external line state to external line state.In addition, owing to initiate just can know external line state before the business, can also improve the talking connection success rate at Bluetooth terminal.
Description of drawings
Fig. 1 is bluetooth equipment (terminal and gateway) basic block diagram used among the present invention.
Fig. 2 is a service application structure chart of the present invention.
Fig. 3 shows according to embodiments of the invention, the flow process that Bluetooth gateway notice terminal external line state upgrades.
Fig. 4 is the flow chart that in Bluetooth cordless telephone system, obtains the external line state method according to the embodiment of the invention.
Embodiment
Fig. 1 has described the Bluetooth gateway that wherein can realize embodiments of the invention and the bluetooth software and hardware basic composition at terminal.Generally speaking, service application software 8 should also provide authentication and professional control under business model inquiry and the corresponding modes except the business control of accomplishing Bluetooth cordless telephone (CTP).Bluetooth cordless telephone is used 7 and to the user the various functions of cordless telephone is provided, and its needed voice are provided by base band 2; Needed control information is provided by SDP (service discovery protocol) 5 and TCS (phone control protocol) 6.The variety of protocol on standard communication protocol L2CAP (logical connection control and adapting protocol) 4 multiplexed upper stratas.HCI (HCI) 3 allows transmission standard HCI order and receives the response that causes thus, and wireless transceiver 1 sends and receives information according to the bluetooth communication standard of standard.It should be appreciated by those skilled in the art that bluetooth software and hardware basic composition shown in Figure 1 just for embodiments of the invention are described, realization of the present invention is not limited thereto.
Fig. 2 is used to explain the annexation structure chart of Bluetooth cordless telephone system and business network according to an embodiment of the invention.Be used to realize that system of the present invention mainly is made up of Bluetooth terminal 1, Bluetooth gateway 2 and communication network 3; Adopt the blue teeth wireless mode to communicate by letter between Bluetooth terminal 1 and the Bluetooth gateway 2; And can adopt the for example POTS subscribers feeder of PSTN of wired mode between Bluetooth gateway 2 and the communication network 3, or wireless mode for example moves GSM, WCDMA inserts connection.
Fig. 3 is the flow process signal of AP to terminal notice external line state information.
As shown in Figure 3, when external line state generation transition, AP sends external line state message Line_Status_MSG to Bluetooth mobile terminal, and after sending external line state message, starts timer immediately.The state update processing is carried out after receiving this message in the terminal, and sends and reply Line_Status_ACK_MSG.If timer expiry, AP does not receive terminal responds, then retransmits external line state message Line_Status_MSG.
Fig. 4 is used for explaining and obtains the flow chart of external line state method according to the embodiment of the invention at Bluetooth cordless telephone system.To combine Fig. 4 to describe the present invention obtains external line state in Bluetooth cordless telephone system specific embodiment in detail below.
In various embodiment of the present invention, the state that connects the professional outside line of Bluetooth gateway and business network generally comprises: busy, idle, disconnection (fault), the switching between these three kinds of states are external line state and change or the external line state transition.Typical external line state changes situation and comprises: busy-idle, idle-busy, busy-fault (disconnection), free time-fault, fault-free time.The type of external line state updating message is corresponding with above-mentioned external line state change situation.
Bluetooth gateway has relevant RJ11 interface to link to each other with outside line, and there is treatment system inside, can the perception external line state.After Bluetooth terminal and the Bluetooth gateway pairing successful connection (ST1); When external line state moves; Bluetooth gateway at first perceives the change of external line state, according to the current business logic, determines whether to send external line state transition message; If then Bluetooth gateway sends to all Bluetooth terminals (ST2) under this Bluetooth gateway to external line state transition message with specific message format.After Bluetooth terminal is received this message, carry out the corresponding business operation and show (ST3).For example, Bluetooth terminal is carried out from the processing process after receiving the external line state lastest imformation that Bluetooth gateway sends, for example, and the current Bluetooth gateway state of record on Bluetooth terminal, and on the interface of Bluetooth terminal, provide prompting about current state.
According to embodiments of the invention, some terminals are within the AP scope of business, and regular traffic connects (ST1).If a certain terminal utilizes the bluetooth side to make a call, then external line state transfers busy (idle-busy) to by the free time.AP is provided with according to the current business logic, determines whether to notify all other Bluetooth terminal of connecting of AP therewith.If gateway sends external line state change notification message (ST2) to the terminal.Bluetooth terminal will be accomplished corresponding state update processing (ST3) after receiving the external line state updating message, as write down this AP external line state, on terminal display screen clearly the prompting be professional busy condition.
In conjunction with Fig. 2, illustrate when fixing tentatively business network to the PSTN network, Bluetooth gateway is provided with according to the current business logic, confirms wouldn't external line state be transferred to by the free time situation of busy transition message informing Bluetooth terminal.At first, some terminals are within the AP scope of business, and regular traffic connects.If a certain terminal utilizes the bluetooth side to make a call, then external line state is transferred to busy by the free time.Because " hurry " state is too frequent for outside line, in current embodiment, gateway is provided with according to the current business logic, confirms to notify all other Bluetooth terminal of AP connection therewith.In like manner, when using service terminal when business finishes, the PSTN external line state becomes the free time again, considers not prompting of a step, and then this moment, AP need not carry out to terminal notifying yet.Because Bluetooth terminal does not receive any external line state updating message, thereby need not to carry out any state update processing.
In addition; The situation that changes when external line state information is: (fault) broken off in the AP outside line; Promptly " busy-break off (fault) " recovers with " free time-fault " or outside line, and promptly when " fault-free time " etc., AP is to all terminals that are attached thereto initiation external line state lastest imformations; The terminal is after receiving the external line state updating message; To accomplish corresponding state update processing, as " hurrying-break off (fault) " and " free time-fault " external line state updating message for the AP outside line, writing down this AP external line state, on terminal display screen, clearly pointing out with the form of for example icon is fault case; For AP outside line " fault-free time " external line state updating message, writing down this AP external line state, on terminal display screen, pointing out with the form of for example icon is professional upstate at this moment.
When using service terminal when business finishes, the PSTN external line state becomes the free time again, i.e. and " busy-free time ", then AP is provided with according to the current business logic, determines whether to initiate lastest imformation again.If; Then gateway sends " recovering prompting " to the terminal; Corresponding state update processing will be accomplished in the terminal after receiving the external line state updating message, as write down this AP external line state, on terminal display screen, be professional upstate at this moment with the prompting of the form of for example icon.
When the equipment room embodiment of the present invention first time; Need the terminal manually to initiate gateway device search, through connecting automatically after the authentication, and behind equipment and service related information under gateway and the terminal records; The terminal gets into the scope of business once more, can realize from being dynamically connected and carrying out corresponding service and use.
The flow process of the above embodiment of the present invention can start under scenario respectively:
After AP starts end;
AP accomplishes with after the bluetooth module at terminal is connected;
When external line state changes;
Under the preferable case; Know at the terminal on the basis of external line state; By network side; Realize professional flexibly routing scheme, when the outside line that connects like AP was unavailable, the all-calls that this outside line user will be called out to the network traffic system registration in the terminal was transferred to other fixed network, mobile network's Subscriber Number (comprise this terminal for mobile number).
The present invention can consider to use does not in the specific implementation have the TCS message of connection (CL Info) carrying external line state notification message and external line state renewal acknowledge message, and message structure can carry out self-defined.Provided a kind of possible message implementation structure below.
CL INFO structure
| The information content | The requirement of TCS classification | Length (OCT) | Business need |
| The TCS type of message | M | 1 | M |
| Audio frequency control | O | 3+ | Do not need |
| Company is specific | O | 3+ | M |
(1) CL Info type of message
| Bit7 | Bit6 | Bit5 | Bit4 | Bit3 | Bit2 | Bit?1 | Bit?0 | Byte |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
(2) company is specific
(3) message body
(4) information order coding
(5) information unit structure
1, external line state indication code
| The external line state indication code | Implication |
| 0x01 | Outside line normal (containing fault eliminates) |
| 0x81 | Outside line does not connect |
| 0x82 | Outline fault |
| Other | Keep |
2, external line state upgrades response
| External line state upgrades response | Implication |
| 0x01 | The terminal is accomplished and is upgraded |
| 0x81 | The terminal updating failure |
Notification message of the present invention is not only limited to the following implementation method that provides, and those skilled in the art can carry out various variations and change on the message implementation structure basis that provides as follows, but does not exceed the essence and the scope of claim of the present invention.
Claims (6)
1. be used for obtaining the method for external line state at Bluetooth cordless telephone system; Said Bluetooth cordless telephone system is made up of some Bluetooth terminals and Bluetooth gateway; The up access business network of said Bluetooth gateway; Descending and some Bluetooth terminals utilize bluetooth to eat dishes without rice or wine to link to each other, and said method comprises the following steps:
Some Bluetooth terminals within the Bluetooth gateway scope of business are set up regular traffic with Bluetooth gateway and are connected;
When the external line state with the up service network winding thread that is connected of Bluetooth gateway changes; Information by said Bluetooth gateway changes external line state is notified the Bluetooth terminal that is connected with said Bluetooth gateway to all; Wherein, with the external line state of the up service network winding thread that is connected of Bluetooth gateway change be in the following variation one of at least: idle-busy; Busy-free time; Busy-fault, free time-fault, fault-free time;
Said Bluetooth terminal is after receiving the external line state change message; The external line state of the said Bluetooth gateway of record on Bluetooth terminal; And on terminal display screen to one of said external line state of user prompt; Wherein, said external line state comprises one of following: fault case, professional upstate, busy condition.
2. according to the method for claim 1, the information that external line state is changed by said Bluetooth gateway notify to all with Bluetooth terminal that said Bluetooth gateway is connected before, said method also comprises:
Confirm step; When the external line state with the up service network winding thread that is connected of Bluetooth gateway changes; Said Bluetooth gateway judges whether to notify the Bluetooth terminal that is connected with said Bluetooth gateway to all with the information that external line state changes according to service logic; Wherein, said service logic comprises: do not send notice when being one of following when external line state changes: idle-busy, busy-free time; When changing, external line state sends notice when being one of following: busy-fault, free time-fault, fault-free time.
3. method according to claim 1 and 2, wherein said Bluetooth gateway utilization do not have the information that connection phone control protocol message notifies external line state to change.
4. method according to claim 3, said Bluetooth terminal utilization do not have the phone of connection control protocol message and send external line state renewal acknowledge message to Bluetooth gateway.
5. method according to claim 1, wherein with the form of icon on terminal display screen to one of said external line state of user prompt.
6. method according to claim 1 further comprises: when said external line state was fault case or busy condition, said Bluetooth terminal was transferred to this outside line user's all-calls to the network traffic system registration Subscriber Number of other network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101642434A CN101197595B (en) | 2006-12-05 | 2006-12-05 | Method for acquiring external line state in Bluetooth cordless telephone system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006101642434A CN101197595B (en) | 2006-12-05 | 2006-12-05 | Method for acquiring external line state in Bluetooth cordless telephone system |
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| CN101197595A CN101197595A (en) | 2008-06-11 |
| CN101197595B true CN101197595B (en) | 2012-07-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102480554A (en) * | 2010-11-24 | 2012-05-30 | 上海三旗通信科技股份有限公司 | Method for realizing communication terminal hosting |
| CN102185704A (en) * | 2011-01-11 | 2011-09-14 | 华为终端有限公司 | A method of acquiring network status by a submachine, and the submachine and a network system |
| EP3373655A4 (en) * | 2015-11-30 | 2018-09-12 | Huawei Technologies Co., Ltd. | Method and user equipment for performing notification of system messages |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050176447A1 (en) * | 2002-04-19 | 2005-08-11 | Frank Majewski | Method and communication system for controlling a mobile communication terminal |
| CN1777321A (en) * | 2004-11-15 | 2006-05-24 | 华为技术有限公司 | Bluetooth accessing point link management method |
| CN1859516A (en) * | 2005-04-30 | 2006-11-08 | 艾威梯软件技术(北京)有限公司 | Method for one blue tooth terminal and multiple blue tooth gateway connecting to call and receive telephone |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050176447A1 (en) * | 2002-04-19 | 2005-08-11 | Frank Majewski | Method and communication system for controlling a mobile communication terminal |
| CN1777321A (en) * | 2004-11-15 | 2006-05-24 | 华为技术有限公司 | Bluetooth accessing point link management method |
| CN1859516A (en) * | 2005-04-30 | 2006-11-08 | 艾威梯软件技术(北京)有限公司 | Method for one blue tooth terminal and multiple blue tooth gateway connecting to call and receive telephone |
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