CN101155224A - Telephone system including telephone gateway and its function implementing method - Google Patents
Telephone system including telephone gateway and its function implementing method Download PDFInfo
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- CN101155224A CN101155224A CNA200610152256XA CN200610152256A CN101155224A CN 101155224 A CN101155224 A CN 101155224A CN A200610152256X A CNA200610152256X A CN A200610152256XA CN 200610152256 A CN200610152256 A CN 200610152256A CN 101155224 A CN101155224 A CN 101155224A
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Abstract
The present invention provides a telephony gateway, including its telephony system as well as a method for implementing gateway function, it is possible to save call cost using IP telephone (VoIP), and when the other party is not IP telephone, there is no need to pay service cost to IP telephone owner. The telephone system comprises IP telephone equipment and telephone gateway. The IP telephone equipment connects to a IP network, and has a first IP address for supporting a first IP telephone protocol; the telephone gateway connects between a telephone network and the IP network, corresponding to a telephone number and a second IP address, and receiving call incoming signal from the telephone network and transforming to an IP telephone signal which accords with the first IP telephone protocol, then transmitting to the IP telephone equipment by the IP network, so as to establish a telephone online. Wherein, the objective telephone number of the call incoming signal is the above mentioned telephone number, the objective IP address of the IP telephone signal is the first IP address.
Description
Technical field
What the present invention relates to is a kind of telephone communication device and method, refers to a kind of telephony gateway device especially, comprises its telephone system and the method for execution gateway function thereof.
Background technology
For the people who often abroad goes on business or travel,, need a large amount of international communication fee of cost if often with phone and domestic contact.For example,,, or connect the domestic phone of making, all need the Pay International roaming charges no matter then be in making a phone call to come back home if use mobile phone; If use external fixed network service, then just return domestic part, also must the Pay International telephone charges.Though, the service of existing now Internet Protocol (Internet Protocol is called for short IP) phone (Voice over IP is called for short VoIP), can use IP phone abroad, via internet and domestic caller's contact of also using IP phone, to save telephone expenses.Yet, if domestic caller does not have IP phone or when be inconvenient to use IP phone, abroad the caller still need dial domestic caller's mobile phone or fixed line.At this moment, external caller is if will then need spend to apply for IP phone dealer's service in addition by IP phone and domestic conversation, for example, with IP phone Skype commonly used at present is example, if will return domestic mobile phone or fixed line from overseas utilization Skype, then need apply for the service of SkypeOut; If will connect the phone that domestic mobile phone or fixed line are made abroad, then need apply for the SkypeIn service.So, still must pay Skype dealer service fee.In addition, when we abroad the time, if the other side dials the fixed line of our domestic family or company, and can't be transferred to our employed abroad IP phone, miss phone and cause.
Summary of the invention
In view of this, a purpose of the present invention, be to provide a kind of telephony gateway device (telephony gateway), comprise its telephone system and the method for execution gateway function thereof, can utilize IP phone to save telephone expenses, and, also need not in addition payment services expense give the IP phone dealer when partner is non-when being IP phone.
Another object of the present invention, be to provide a kind of telephony gateway device, comprise its telephone system and the method for execution gateway function thereof, the other side can be dialed fixed line or mobile phone but phone that we can't answer, be forwarded to our IP phone via an IP network (for example internet) to us.So, when we in the world Anywhere, as long as can utilize the IP phone device to connect described IP network, just can not miss phone.
In one embodiment of this invention, disclose a kind of telephony gateway device, it is connected between a telephone network and an IP network.Described telephony gateway device comprises: a telephone network interface, and corresponding to a telephone number, and receive a calling (incoming call) signal from described telephone network, the purpose telephone number of wherein said calling signal is described telephone number; Whether locating unit is connected described IP network in order to judge an IP phone device, and wherein said IP phone device has an IP address, and supports the first IP phone agreement; One transcoding (transcoding) unit, be coupled to described telephone network interface and described positioning unit, in order to when described IP phone device is connected described IP network, with described calling signal transcoding is the first IP phone signal that meets the first IP phone agreement, and the purpose IP address of the wherein said first IP phone signal is an IP address; And an IP interface, be coupled to described transcoding units and described positioning unit, corresponding the 2nd IP address of described IP interface, and the first IP phone signal is sent to described IP phone device via described IP network, to set up a telephone connection.
In another embodiment of the present invention, a kind of telephone system is disclosed, it comprises: an IP phone device, be connected to an IP network, and have an IP address, support the first IP phone agreement; An and telephony gateway device, be connected between a telephone network and described IP network, corresponding to a telephone number and the 2nd IP address, and a calling signal transcoding that will be received from described telephone network is the first IP phone signal that meets the first IP phone agreement, be sent to described IP phone device via described IP network, to set up a telephone connection.Wherein, the purpose telephone number of described calling signal is described telephone number, and the purpose IP address of the first IP phone signal is an IP address.
In another embodiment of the present invention, a kind of method of carrying out the telephony gateway function is disclosed, be to be used in a telephony gateway device, described telephony gateway device is connected between a telephone network and an IP network, and corresponding to a telephone number and the 2nd IP address.Described method comprises the following step: receive a calling signal from described telephone network, the purpose telephone number of wherein said calling signal is described telephone number; Judge whether an IP phone device is connected described IP network, and wherein said IP phone device has an IP address, and support the first IP phone agreement; When described IP phone device is connected described IP network, be the first IP phone signal that meets the first IP phone agreement with described calling signal transcoding, wherein the purpose IP address of the first IP phone signal is an IP address; And the first IP phone signal is sent to described IP phone device via described IP network, to set up a telephone connection.
Description of drawings
Fig. 1 is the Organization Chart of first embodiment of telephone system of the present invention;
Fig. 2 is the Organization Chart of second embodiment of telephone system of the present invention;
Fig. 3 is the Organization Chart of the 3rd embodiment of telephone system of the present invention;
Fig. 4 is the calcspar of a preferred embodiment of the telephony gateway device of the 1st figure;
Fig. 5 is a flow chart of carrying out an embodiment of the gateway function that receives the calling of PSTN network;
Fig. 6 is a flow chart of carrying out an embodiment of the gateway function that receives the IP network calling;
Fig. 7 carries out via the PSTN network to give orders or instructions to the flow chart of an embodiment of the gateway function of a callee device;
Fig. 8 carries out via IP network to give orders or instructions to the flow chart of an embodiment of the gateway function of another IP phone device.
10,20, the 30-telephone system description of reference numerals:; 11,15,31-IP telephone device; 12,22,32-telephony gateway device; The 121-PSTN interface; The 122-positioning unit; The 123-transcoding units; The 124-authentication ' unit; 125-conversation refusal processing unit; 126-extension function unit; The 127-IP interface; The 13-IP network; The 14-PSTN network; The 24-PLMN network; The 36-location-server; The 361-correspondence table; 50～56-carries out an embodiment flow process of the gateway function that receives the calling of PSTN network; 60～66-carries out an embodiment flow process of the gateway function that receives the IP network calling; 70～74-carries out via the PSTN network and gives orders or instructions to an embodiment flow process of the gateway function of a callee device; 80～84-carries out via IP network and gives orders or instructions to an embodiment flow process of the gateway function of another IP phone device.
Embodiment
Fig. 1 is the Organization Chart of first embodiment of telephone system of the present invention.As shown in the figure, telephone system 10 comprises an IP phone device 11 and a telephony gateway device 12.IP phone device 11 is to be connected to telephony gateway device 12 via an IP network 13, and has an IP address, supports the first IP phone agreement (VoIP protoco1).Any use IP of IP network 13 general references comes the network of addressing and communication in the address, for example the LAN (LAN) of internet or use IP address.First IP phone agreement and the indefinite, the communications protocol that can make a general reference the speech sound signal transmission on any may command IP network management, for example become session initiation protocol (the SessionInitiation Protocol of industrywide standard, be called for short SIP) and H.323, or the independently developed agreement of other dealer.In addition, IP phone device 11 can be the electronic installation of any kind, as long as it can wired or wireless mode connect IP network 13 and support the first IP phone agreement.For example, portable apparatus (mobile phone, mobile computer, PDA(Personal Digital Assistant) or the like), personal computer (PC), with integrating access device (integrated accessdevice, abbreviation IAD) black phone (plain old telephone is called for short POT) or the like.Telephony gateway device 12 is to be connected a Public Switched Telephony Network (public switched telephone network, be called for short PSTN) 14 and 13 of IP network, and correspondence is in a pstn telephone number and the 2nd IP address.Telephony gateway device 12 can be carried out following several gateway function: receive PSTN network 14 calling, receive IP network 13 calling, give orders or instructions to give orders or instructions to another IP phone device 15 via PSTN network 14 to a callee device (figure shows) and via IP network 13.Below narrate the executive mode of each gateway function respectively:
(1) receive the calling of PSTN network 14: when telephony gateway device 12 when PSTN network 14 receives a PSTN calling signal (the pstn telephone number that its purpose telephone number is a telephony gateway device 12), can be the first IP phone signal (its purpose IP address is an IP address of IP phone device 11) that meets the first IP phone agreement with its transcoding, and be sent to IP phone device 11 via IP network 13, to set up a telephone connection.
(2) receive the calling of IP network 13: when telephony gateway device 12 when IP network 13 receives an IP phone calling signal (its purpose IP address is the 2nd IP address of telephony gateway device 12), can be the second IP phone signal (its purpose IP address is an IP address) that meets the first IP phone agreement with its transcoding, be sent to the first IP phone device 11 via IP network 13, to set up a telephone connection.
In other words, when telephony gateway device 12 is provided in a side of in the user domestic family or office, then, the calling of PSTN network 14 or IP network 13 can be forwarded to IP phone device 11 by the gateway function of aforementioned (1) and (2).Therefore, when the user stays out or during office, no matter which place (home or overseas) he is positioned at, as long as he can connect IP network 13 by IP phone device 11, just can receive the phone of originally getting to his family or office, and need not pay any cost of the phone call.In addition, telephony gateway device 12 also can connect a black phone device, when the user be in or office in the time, can directly utilize described black phone device to answer the calling of PSTN net 14, and need not transfer.
In one first preferred embodiment, when IP phone device 11 is received the aforementioned first or second IP phone signal, can carry out an acts of authentication, whether permit setting up telephone connection with decision.Described acts of authentication is to be used in to confirm that the first or second IP phone signal is sent by telephony gateway device 12, to filter the not clear calling in source.The execution mode of described acts of authentication is also unrestricted, for example, can authenticate by judging the specific identification code whether first or second IP phone signal comprises telephony gateway device 12, if then permit setting up telephone connection, then disapproves if not.
(3) give orders or instructions to a callee device via PSTN network 14: when telephony gateway device 12 when IP network 13 receives that first IP phone that IP phone device 11 is sent is given orders or instructions signal (its purpose IP address and purpose telephone number are respectively the 2nd IP address and a callee telephone number of telephony gateway device 12), can be a PSTN signal with first IP phone signal transcoding of giving orders or instructions, reach the pairing callee device of described callee telephone number via PSTN network 14, to set up a telephone connection.Note that because PSTN network 14 can interconnect with public land mobile network (public land mobile network is called for short PLMN), so described callee device can also be a mobile phone except being the pstn telephone device.
(4) give orders or instructions to IP phone device 15 via IP network 13: IP phone device 15 is that (annotate: IP phone not necessarily uses number to discern to a corresponding IP phone code herein, contain various forms of identification codes so this sentences code), and support the second IP phone agreement.Second IP phone agreement and the indefinite can be made a general reference the communications protocol that the speech sound signal on any may command IP network management transmits.When telephony gateway device 12 when IP network 13 receives that second IP phone that IP phone device 11 is sent is given orders or instructions signal (its purpose IP address and purpose telephone code are respectively the 2nd IP address of telephony gateway device 12 and the IP phone code of IP phone device 15), can be the 3rd IP phone signal that meets the second IP phone agreement with second IP phone signal transcoding of giving orders or instructions, be sent to IP phone device 15 via IP network 13, to set up a telephone connection.
In other words, when telephony gateway device 12 is provided in a side of in the user domestic family or office, then reach the gateway function of (4) by aforementioned (3), when the user stays out or during office, though he the position at which place, as long as he can connect IP network 13 by IP phone device 11, just can dial to other pstn telephone device, mobile phone or IP phone device by telephony gateway device 12.When the user position is dialed when domestic abroad, owing to be to be connected to domestic telephony gateway device 12 by IP network 13 earlier transfer away, so the user only need bear the telephone expenses of domestic part again, and can save international telephone expenses partly.
In one second preferred embodiment, when telephony gateway device 12 receives that aforementioned first or second IP phone is given orders or instructions signal, can carry out an acts of authentication, whether permit IP phone device 11 with decision and set up telephone connection with aforementioned callee device or IP phone device 15.Described acts of authentication is to be used in to confirm that first or second IP phone signal of giving orders or instructions is sent by IP phone device 11, usurps telephony gateway device 12 with the IP phone device of avoiding other unauthenticated and calls.The execution mode of described acts of authentication is also unrestricted, for example, can authenticate by judging a specific identification code of giving orders or instructions first or second IP phone whether signal comprising IP phone device 11, if then permit setting up telephone connection, then disapproves if not.
Fig. 2 is the Organization Chart of second embodiment of telephone system of the present invention, the main difference of itself and Fig. 1 is, the telephony gateway device 22 that telephone system 20 is comprised is to be connected 13 of a PLMN network 24 and IP network, and corresponding to a Mobile Directory Number (22 of telephony gateway devices are still corresponding to the 2nd IP address).As for the gateway function of aforementioned (1) and (3), then change into the calling that receives PLMN network 24 respectively and give orders or instructions to a callee device via PLMN network 24, (2) then remain unchanged with the gateway function of (4).When receiving the calling of PLMN network 24, telephony gateway device 22 is to receive a PLMN calling signal (its purpose telephone number is the Mobile Directory Number of telephony gateway device 22) from PLMN network 24, and be the 4th IP phone signal (its purpose IP address is an IP address) that meets the first IP phone agreement with its transcoding, be sent to IP phone device 11 via IP network 13, to set up a telephone connection.When giving orders or instructions via PLMN network 24 to a callee device, telephony gateway device 22 is to receive the 3rd IP phone that IP phone device 11 the is sent signal (its purpose IP address and purpose telephone number are respectively the 2nd an IP address and a callee telephone number) of giving orders or instructions from IP network 13, and be a PLMN signal with the 3rd IP phone signal transcoding of giving orders or instructions, reach the pairing callee device of described callee telephone number via PLMN network 24, to set up a telephone connection.
Fig. 3 is the Organization Chart of the 3rd embodiment of telephone system of the present invention, and the main difference of itself and Fig. 1 is, telephone system 30 also comprises a location-server 36 that is connected IP network 13 except comprising telephony gateway device 32 and IP phone device 31.In this 3rd embodiment, IP phone device 31 is corresponding to respectively first and second IP address with telephony gateway device 32.IP phone device 31 and telephony gateway device 32 need learn mutually earlier the other side's IP address before linking up.When both sides are fixed ip address, the other side's fixed ip address can be recorded in us in advance, so that use will link up with the other side the time.Yet if when having either party to be floating IP address (floating IP address), another conveniently is difficult to as record in advance as the fixed ip address.Therefore, the function of location-server 36 is, when first and second IP address has at least one to be floating IP address, can be when linking up at IP phone device 31 and telephony gateway device 32, one of tool floating IP address can be located by the opposing party, that is why the opposing party can learn described floating IP address.
Location-server 36 comprises a correspondence table 361, can write down a side the specific identification code of tool floating IP address and the corresponding relation between described floating IP address, so, as long as the opposing party records described specific identification code in advance, just can inquire about correspondence table 361, and learn described floating IP address according to described specific identification code.For example, when an IP address of IP phone device 31 was floating IP address, IP phone device 31 was promptly registered at location-server 36, so that correspondence table 361 records the corresponding relation between first identification code of an IP address and IP phone device 31.First identification code is to be recorded in telephony gateway device 32 in advance, and telephony gateway device 32 just can be according to first identification code inquiry correspondence table 361, to learn an IP address.Again for example, when the 2nd IP address of telephony gateway device 32 was floating IP address, telephony gateway device 32 was promptly registered at location-server 36, so that correspondence table 361 records the corresponding relation between second identification code of the 2nd IP address and telephony gateway device 32.Similarly, second identification code is to be recorded in IP phone device 31 in advance, and IP phone device 31 just can be according to second identification code inquiry correspondence table 361, to learn the 2nd IP address.The form of aforementioned first and second identification code is also unrestricted, and for example, the media access address (media accessaddress is called for short MAC address) that can use each IP network device all to have is as identification code.
Fig. 4 is the calcspar of a preferred embodiment of the telephony gateway device 12 of Fig. 1.As shown in Figure 4, telephony gateway device 12 comprises a PSTN interface 121, locating unit 122, a transcoding units 123, an authentication ' unit 124, conversation refusal (call rejection) processing unit 125, an extension function unit 126 and an IP interface 127.Wherein, PSTN interface 121 is to be connected to PSTN network 14, and corresponding pstn telephone number at telephony gateway device 12; Positioning unit 122 is in order to judge whether IP phone device 11 is connected IP network 13; Transcoding units 123 is in order to carry out between PSTN signal and IP phone signal or the transcoding between the IP phone signal of different IP telephone protocol; Authentication ' unit 124 is in order to carry out the acts of authentication described in aforementioned second preferred embodiment; Conversation refusal processing unit 125 is carried out a conversation refusal program in order to when telephone connection can't be set up; The IP interface is to be connected to IP network 13, and the 2nd IP address of corresponding telephony gateway device 12.126 of extension function unit are in order to provide following additional function one at least: calling record, show calling number (caller ID), filter calling, extension function, conference call (conference call), calling reservation, speed dialling and call-information statistics.
Below narrate telephony gateway device 12 respectively when carrying out the gateway function of aforementioned (1) to (4), the function mode that it is inner:
(A) when receiving 14 callings of PSTN network, PSTN interface 121 receives described PSTN calling signal from PSTN network 14, and transcoding units 123 judges that at positioning unit 122 IP phone device 11 is when being connected IP network 13, with described PSTN calling signal transcoding is the aforesaid first IP phone signal, 127 IP interfaces are sent to IP phone device 11 via IP network 13 with the first IP phone signal, to set up telephone connection.
(B) when receiving the calling of IP network 13, IP interface 127 is to receive described IP phone calling signal from IP network 13, and transcoding units 123 judges that at positioning unit 122 IP phone device 11 is when being connected IP network 13, with described IP phone calling signal transcoding is the aforesaid second IP phone signal, 127 IP interfaces are sent to IP phone device 11 with the second IP phone signal via IP network 13, to set up telephone connection.
(C) when giving orders or instructions via PSTN network 14 to a callee device, IP interface 127 is to receive first IP phone signal of giving orders or instructions from IP network 13, and transcoding units 123 is after authenticating through authentication ' unit 124, with first IP phone signal transcoding of giving orders or instructions is aforesaid PSTN signal, 121 PSTN interfaces transmit described PSTN signal to described callee device, to set up telephone connection via PSTN network 14.
(D) when giving orders or instructions via IP network 13 to IP phone device 15, IP interface 127 is to receive second IP phone signal of giving orders or instructions from IP network 13, and transcoding units 123 is after authenticating through authentication ' unit 124, with second IP phone signal transcoding of giving orders or instructions is aforesaid the 3rd IP phone signal, 127 IP interfaces transmit the 3rd IP phone signal to IP phone device 15, to set up telephone connection via IP network 13.
In (D), when telephone connection can't be set up, conversation refusal processing unit 125 was promptly carried out conversation refusal program, for example writes down the sound message that the first speaker device is transmitted, or the calling signal is forwarded to a default callee device at aforementioned (A).
What following Fig. 5 to Fig. 8 narrated is to be respectively the embodiment that the present invention carries out the method for aforementioned (1) to (4) gateway function.Fig. 5 is a flow chart of carrying out an embodiment of the gateway function that receives 14 callings of PSTN network.As shown in Figure 5, this flow process comprises the following step:
Step 50: the PSTN calling signal that receives aforementioned (1) from PSTN network 14;
Step 51: judge whether IP phone device 11 is connected IP network 13, then skips to step 55 if not, if then skip to step 52;
Step 52: with described PSTN calling signal transcoding is the first IP phone signal;
Step 53: via IP network 13 the first IP phone signal is sent to IP phone device 11, to set up telephone connection;
Step 54: judge whether telephone connection is set up, then skip to step 55 if not, if then skip to step 56;
Step 55: carry out conversation refusal program, and process ends; And
Step 56: keep telephone connection, until end of conversation.
Fig. 6 is a flow chart of carrying out an embodiment of the gateway function that receives IP network 13 callings.As shown in Figure 6, this flow process comprises the following step:
Step 60: the IP phone calling signal that receives aforementioned (2) from IP network 13;
Step 61: judge whether IP phone device 11 is connected IP network 13, then skips to step 65 if not, if then skip to step 62;
Step 62: with described IP phone calling signal transcoding is the second IP phone signal;
Step 63: the second IP phone signal is sent to IP phone device 11 via IP network 13, to set up telephone connection;
Step 64: judge whether telephone connection is set up, then skip to step 65 if not, if then skip to step 66;
Step 65: carry out conversation refusal program, and process ends; And
Step 66: keep telephone connection, until end of conversation.
Fig. 7 carries out via PSTN network 14 to give orders or instructions to the flow chart of an embodiment of the gateway function of a callee device.As shown in Figure 7, this flow process comprises the following step:
Step 70: first IP phone that receives aforementioned (3) from IP network 13 signal of giving orders or instructions;
Step 71: whether decision permits IP phone device 11 is set up telephone connection with described callee device, if permit then skipping to step 73, then skips to step 72 if disapprove;
Step 72: carry out conversation refusal program, and process ends;
Step 73: with first IP phone signal transcoding of giving orders or instructions is the PSTN signal; And
Step 74: transmit described PSTN signal to described callee device, to set up telephone connection via PSTN network 14.
In the step 71, be whether to comprise the specific identification code of IP phone device 11 according to first IP phone signal of giving orders or instructions, whether decision permits IP phone device 11 is set up telephone connection with described callee device.
Fig. 8 carries out via IP network 13 to give orders or instructions to the flow chart of an embodiment of the gateway function of IP phone device 15.As shown in Figure 8, this flow process comprises the following step:
Step 80: second IP phone that receives aforementioned (4) from IP network 13 signal of giving orders or instructions;
Step 81: whether decision permits IP phone device 11 is set up telephone connection with IP phone device 15, if permit then skipping to step 83, then skips to step 82 if disapprove;
Step 82: carry out conversation refusal program, and process ends;
Step 83: with second IP phone signal transcoding of giving orders or instructions is the 3rd IP phone signal; And
Step 84: transmit the 3rd IP phone signal to IP phone device 15, to set up telephone connection via IP network 13.
In the step 81, be whether to comprise the specific identification code of IP phone device 11 according to second IP phone signal of giving orders or instructions, whether decision permits IP phone device 11 is set up telephone connection with IP phone device 15.
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (18)
1. a telephony gateway device is connected between a telephone network and an ip network, it is characterized in that, described telephony gateway device comprises:
One telephone network interface corresponding to a telephone number, and receives a calling signal from described telephone network, and the purpose telephone number of wherein said calling signal is described telephone number;
Whether locating unit is connected described IP network in order to judge an IP phone device, and wherein said IP phone device has one the one IP address, and supports one first IP phone agreement;
One transcoding units, couple mutually with described telephone network interface and described positioning unit respectively, in order to when described IP phone device is connected described IP network, with described calling signal transcoding is the one first IP phone signal that meets the described first IP phone agreement, and the purpose IP address of the wherein said first IP phone signal is a described IP address; And
One IP interface couples mutually with described transcoding units and described positioning unit respectively, corresponding one the 2nd IP address of described IP interface, and the described first IP phone signal is sent to described IP phone device via described IP network, to set up a telephone connection.
2. telephony gateway device as claimed in claim 1 is characterized in that, described telephone network be PSTN and public land mobile network one of them.
3. telephony gateway device as claimed in claim 2, wherein said IP interface receives an IP phone calling signal from described IP network, one purpose IP address of described IP phone calling signal is described the 2nd IP address, when described transcoding units is connected described IP network at described IP phone device, with described IP phone calling signal transcoding is the one second IP phone signal that meets the described first IP phone agreement, one purpose IP address of the described second IP phone signal is a described IP address, and described IP interface is sent to described IP phone device with the described second IP phone signal via described IP network, to set up a telephone connection.
4. telephony gateway device as claimed in claim 2, wherein said IP interface receives a IP phone that described IP phone device the sends signal of giving orders or instructions from described IP network, a give orders or instructions purpose IP address and the purpose telephone number of signal of described IP phone is respectively described the 2nd an IP address and a callee telephone number, described transcoding units is a telephone signal with the described IP phone signal transcoding of giving orders or instructions, and described telephone network interface transmits described telephone signal to the pairing callee device of described callee telephone number via described telephone network, to set up a telephone connection.
5. telephony gateway device as claimed in claim 2, wherein said IP interface receives a IP phone that described IP phone device the sends signal of giving orders or instructions from described IP network, described IP phone give orders or instructions a purpose IP address of signal and the IP phone code that a purpose telephone code is respectively described the 2nd an IP address and a callee device, described callee device is supported one second IP phone agreement, described transcoding units is one the 3rd IP phone signal that meets the described second IP phone agreement with the described IP phone signal transcoding of giving orders or instructions, and described IP interface transmits described the 3rd IP phone signal to described callee device via described IP network, to set up a telephone connection.
6. telephony gateway device as claimed in claim 1 is characterized in that, also comprises:
One authentication ' unit is coupled between described positioning unit and the described transcoding units, and in order to when described IP interface receives that described IP phone is given orders or instructions signal, described IP phone device whether is permitted in decision and described callee device is set up described telephone connection.
7. telephony gateway device as claimed in claim 3, it is characterized in that, described authentication ' unit is whether to comprise a specific identification code of described IP phone device according to the described IP phone signal of giving orders or instructions, and described IP phone device whether is permitted in decision and described callee device is set up described telephone connection.
8. telephony gateway device as claimed in claim 2, wherein when a described IP address is floating IP address, described IP phone device is registered at a location-server that is connected described IP network, so that the corresponding table record in the described location-server has the corresponding relation between one first identification code of a described IP address and described IP phone device, wherein said first identification code is to be recorded in described positioning unit, described positioning unit is to inquire about described correspondence table according to described first identification code, to learn a described IP address.
9. telephony gateway device as claimed in claim 8, wherein when described the 2nd IP address is floating IP address, described telephony gateway device is registered at described location-server, so that described correspondence table records the corresponding relation between one second identification code of described the 2nd IP address and described telephony gateway device.
10. a telephony gateway device is connected between a telephone network and an ip network, it is characterized in that, described telephony gateway device comprises:
One IP interface, corresponding one the 2nd IP address, and receive a IP phone that an IP phone device the sends signal of giving orders or instructions from described IP network, the give orders or instructions purpose IP address and the purpose telephone number of signal of wherein said IP phone is respectively described the 2nd an IP address and a callee telephone number, described IP phone device has one the one IP address, and supports one first IP phone agreement;
One transcoding units is coupled to described IP interface, is a telephone signal in order to signal transcoding that described IP phone is given orders or instructions; And
One telephone network interface, be coupled to described transcoding units, described telephone network interface correspondence is at a telephone number, and transmits described telephone signal to the pairing callee device of described callee telephone number, to set up a telephone connection via described telephone network;
Wherein, described telephone network be a PSTN and public land action network one of them.
11. a telephone system is characterized in that it comprises:
One internet-protocol telephony device is connected to an IP network, and has one the one IP address, supports one first IP phone agreement; And
One telephony gateway device, be connected between a telephone network and described IP network, corresponding to a telephone number and one the 2nd IP address, and a calling signal transcoding that will be received from described telephone network is the one first IP phone signal that meets the described first IP phone agreement, be sent to described IP phone device via described IP network, to set up a telephone connection, one purpose telephone number of wherein said calling signal is described telephone number, and a purpose IP address of the described first IP phone signal is a described IP address.
12. telephone system as claimed in claim 11, wherein said IP phone device is carried out an acts of authentication when receiving the described first IP phone signal, whether permits setting up described telephone connection with decision.
13. comprising, telephone system as claimed in claim 12, wherein said acts of authentication judge whether the described first IP phone signal comprises a specific identification code of described telephony gateway device.
14. telephone system as claimed in claim 11 is characterized in that, it also comprises:
One location server is connected described IP network, and comprises a correspondence table;
Wherein, when a described IP address is floating IP address, described IP phone device is registered at described location-server, so that described correspondence table records the corresponding relation between one first identification code of a described IP address and described IP phone device, wherein said first identification code is to be recorded in described telephony gateway device, described telephony gateway device is inquired about described correspondence table according to described first identification code, to learn a described IP address.
15. telephone system as claimed in claim 14, wherein when described the 2nd IP address is floating IP address, described telephony gateway device is registered at described location-server, so that described correspondence table records the corresponding relation between one second identification code of described the 2nd IP address and described telephony gateway device.
16. a telephone system is characterized in that it comprises:
One internet-protocol telephony device is connected to an IP network, and has one the one IP address, supports one first IP phone agreement; And
One telephony gateway device, be connected between a telephone network and described IP network, corresponding to a telephone number and one the 2nd IP address, and receive a IP phone that described IP phone device the sends signal of giving orders or instructions from described IP network, and be a telephone signal with the described IP phone signal transcoding of giving orders or instructions, be sent to a callee device via described telephone network, setting up a telephone connection, wherein said IP phone give orders or instructions a purpose IP address of signal and the callee telephone number that a purpose telephone number is respectively described the 2nd IP address and described callee device;
Wherein, described telephone network be a PSTN and public land action network one of them.
17. the method for a telephony gateway device gateway function, be to be used for a telephony gateway device, described telephony gateway device is connected between a telephone network and an ip network, and corresponding to a telephone number and one the 2nd IP address, it is characterized in that described method comprises the following step:
Receive a calling signal from described telephone network, the purpose telephone number of wherein said calling signal is described telephone number;
Judge whether an IP phone device is connected described IP network, and wherein said IP phone device has one the one IP address, and support one first IP phone agreement;
When described IP phone device is connected described IP network, be the one first IP phone signal that meets the described first IP phone agreement with described calling signal transcoding, the purpose IP address of the wherein said first IP phone signal is a described IP address; And
Via described IP network the described first IP phone signal is sent to described IP phone device, to set up a telephone connection.
18. the method for a telephony gateway device gateway function, it is to be used for a telephony gateway device, and described telephony gateway device is connected between a telephone network and an ip network, and corresponding to a telephone number and one the 2nd IP address, it is characterized in that described method comprises the following step:
Receive a IP phone that an IP phone device the sends signal of giving orders or instructions from described IP network, the give orders or instructions purpose IP address and the purpose telephone number of signal of wherein said IP phone is respectively described the 2nd an IP address and a callee telephone number;
With the described IP phone signal transcoding of giving orders or instructions is a telephone signal; And
Transmit described telephone signal to the pairing callee device of described callee telephone number, to set up a telephone connection via described telephone network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610152256XA CN101155224A (en) | 2006-09-27 | 2006-09-27 | Telephone system including telephone gateway and its function implementing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610152256XA CN101155224A (en) | 2006-09-27 | 2006-09-27 | Telephone system including telephone gateway and its function implementing method |
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| CN101155224A true CN101155224A (en) | 2008-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA200610152256XA Pending CN101155224A (en) | 2006-09-27 | 2006-09-27 | Telephone system including telephone gateway and its function implementing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457628A (en) * | 2010-10-25 | 2012-05-16 | 杭州华三通信技术有限公司 | Calling method, system and voice server for Internet protocol phone |
| CN102724371A (en) * | 2011-03-29 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Voice gateway and method for establishing call through same |
| CN103369160A (en) * | 2013-08-06 | 2013-10-23 | 北京品视电子技术有限公司 | Implementation method and system for communication by using intelligent roaming terminal |
| CN108881292A (en) * | 2018-07-20 | 2018-11-23 | 携程旅游信息技术（上海）有限公司 | VoIP safe precaution method, system, equipment and storage medium |
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2006
- 2006-09-27 CN CNA200610152256XA patent/CN101155224A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457628A (en) * | 2010-10-25 | 2012-05-16 | 杭州华三通信技术有限公司 | Calling method, system and voice server for Internet protocol phone |
| CN102457628B (en) * | 2010-10-25 | 2014-07-23 | 杭州华三通信技术有限公司 | Calling method, system and voice server for Internet protocol phone |
| CN102724371A (en) * | 2011-03-29 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Voice gateway and method for establishing call through same |
| CN102724371B (en) * | 2011-03-29 | 2014-01-22 | 鸿富锦精密工业（深圳）有限公司 | Voice gateway and method for establishing call through same |
| CN103369160A (en) * | 2013-08-06 | 2013-10-23 | 北京品视电子技术有限公司 | Implementation method and system for communication by using intelligent roaming terminal |
| CN108881292A (en) * | 2018-07-20 | 2018-11-23 | 携程旅游信息技术（上海）有限公司 | VoIP safe precaution method, system, equipment and storage medium |
| CN108881292B (en) * | 2018-07-20 | 2020-10-16 | 携程旅游信息技术（上海）有限公司 | VoIP security protection method, system, device and storage medium |
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