CN100391181C - Video network and method for implementing video terminal registration in the same network - Google Patents
Video network and method for implementing video terminal registration in the same network Download PDFInfo
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- CN100391181C CN100391181C CNB2004100443913A CN200410044391A CN100391181C CN 100391181 C CN100391181 C CN 100391181C CN B2004100443913 A CNB2004100443913 A CN B2004100443913A CN 200410044391 A CN200410044391 A CN 200410044391A CN 100391181 C CN100391181 C CN 100391181C
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Abstract
The present invention discloses a registering method for a video information terminal, which comprises the following steps: the corresponding relationship between a call control unit and a video information terminal controlled by the call control unit is built in a video information network, and the address of a device of the corresponding relationship is matched and preserved on the video information terminal; a request is sent to the device by the video information terminal according to the address of the device; the address of the corresponding call control unit is returned by the device to the video information terminal according to the corresponding relationship, and a registering request is sent by the video information terminal to the call control unit according to the call control unit to obtain registration. The present invention also disclose a video information network which comprises a device mutually connected with the video information terminal or/and the control unit, wherein the corresponding relationship between the call control unit and the video information terminal controlled by the call control unit is recorded in the device. The video information terminal obtains the addresses of the corresponding call control unit by the device or registers on the corresponding call control unit by the device.
Description
Technical field
The present invention relates to the multi-media communication technology of the communications field, relate in particular to a kind of video communication network and in this video communication network, realize the video terminal process registration.
Background technology
In video communication network, Call Control Unit is implemented control and managements such as authentication registration, address resolution, calling control, bandwidth control as management equipment to the video terminal in certain zone (various video telephone, video conference terminal, based on PC software video terminal etc.).In existing video communication network system based on agreement H.323, Call Control Unit is called gatekeeper's (Gatekeeper is called for short GK).After video terminal has to register into GK, could be managed by GK.
Video terminal is if be registered to GK, must at first obtain the address of GK, video terminal sends login request message to this address then, after GK receives the video terminal register requirement, to the legitimacy of carrying out of the number that carries in the video terminal register requirement, title, IP address, password be authenticated, after authentication was passed through, GK just can manage video terminal.A video terminal can only be managed by the GK of its position or logic region, when the GK in a plurality of zones networking, the address of each GK all is different, and the video terminal of zones of different must be known the GK address of region separately, and the GK that just can be registered to the one's respective area goes up and managed.Described GK address is the sign of GK position, can be IP address or number or zone name or Email address or URL name etc.
Consult Fig. 1, prior art one is directly on video terminal, the GK address of the pre-configured one's respective area that will register, and video terminal just sends register requirement according to this address to GK then, and after the GK authentication was passed through, video terminal was managed by one's respective area GK.The GK address in different zones is all different, and the GK address of the video terminal configuration of zones of different is also just different.But there is following shortcoming in the prior art:
(1) in the whole video communication network during GK networking in a plurality of zones, the GK address of each regional video terminal configuration is all inequality, can not use a unified address to be registered to the GK of region, makes troubles for actual use;
(2) when cause the GK address to take place after changing owing to reasons such as dilatation, machine room resettlements, need notify all video terminal users to reconfigure new GK address, the cost of doing like this is very high;
(3) if after video terminal roams into other zones, the GK address that the user must the manual configuration roaming place just can be registered to roaming place GK and obtain roaming service, and user's use is brought great inconvenience.
Consult Fig. 2, prior art two is to utilize one of video terminal multicast to search the message bag of GK address, after the GK of video terminal region receives multicast message, just return a response message and give video terminal, carried the address of GK in the response message, video terminal sends login request message to this GK address then.But also there is following shortcoming in the prior art:
(1) require the equipment of IP network must support multicast, but in existing IP network, the network equipment that has is not supported multicast functionality, but the support multicast functionality that has close, need reset Configuration Data and open multicast functionality.If the whole network equipment is all supported multicast, upgrade so and the cost that disposes is high;
(2) all send multicast message when a large amount of video terminals, cause " broadcast storm " of network easily, cause entire I P networks efficiency to reduce, even have a strong impact on the operation of IP network.
Summary of the invention
All video terminals the invention provides a kind of video communication network and in this video communication network, realize the video terminal process registration, so that can use unified address to be registered to the Call Control Unit of region in the video communication network.
For addressing the above problem, the invention provides following solution:
A kind of video terminal process registration that in video communication network, realizes, described video communication network has the Call Control Unit that the video terminal in the network is carried out authentication registration, calling control, address resolution and Bandwidth Management; Described method comprises the steps:
A, between the described video terminal that described Call Control Unit and this Call Control Unit are controlled, set up corresponding relation, and the address that the device of this corresponding relation is preserved in configuration on described video terminal;
B, described video terminal are initiated request according to the address of described device to this device;
C, described device return to described video terminal according to described corresponding relation with the address of the Call Control Unit of correspondence, and described then video terminal sends register requirement to obtain registration according to the address of described Call Control Unit to this Call Control Unit.
The request that video terminal is initiated to described device is a query requests, and described device returns to video terminal by response message with the address of Call Control Unit.
The request that video terminal is initiated to described device is a register requirement, and described device returns to video terminal by the refusal response message with the address of Call Control Unit.
When described device is a Call Control Unit and when receiving the register requirement of video terminal, this Call Control Unit also comprises step before carrying out step C: judge that whether described video terminal is by its control, if then directly this video terminal is registered, otherwise, continue step C.
Described device is an independently server, perhaps is a Call Control Unit in the video communication network.
The invention discloses the another kind of video terminal process registration that realizes in video communication network, described video communication network has the Call Control Unit that video terminal is carried out authentication registration, calling control, address resolution and Bandwidth Management; Described method comprises the steps:
A, between the described video terminal that described Call Control Unit and this Call Control Unit are controlled, set up corresponding relation, and the address that the device of this corresponding relation is preserved in configuration on described video terminal;
B, described video terminal are initiated register requirement according to the address of described device to this device;
C, described device obtain the address of described Call Control Unit according to described corresponding relation, and according to the address of described Call Control Unit the register requirement of described video terminal are transmitted to described Call Control Unit, make described video terminal obtain registration.
In video communication network, set up the corresponding relation between the video terminal that Call Control Unit and this Call Control Unit control, and the address that the device of this corresponding relation is preserved in configuration on video terminal;
Video terminal is initiated register requirement according to the address of described device to this device;
Described device is transmitted to the Call Control Unit of this video terminal of control according to described corresponding relation with the register requirement of video terminal, makes video terminal obtain registration.
Described device is an independently server, perhaps is a Call Control Unit in the video communication network.
When described device is a Call Control Unit and when receiving the register requirement of video terminal, this Call Control Unit also comprises step before carrying out step C: judge that whether described video terminal is by its control, if then directly this video terminal is registered, otherwise, continue step C.
By described device the registration response that described Call Control Unit returns is transmitted to video terminal.
A kind of video communication network, comprise video terminal, and described video terminal carried out authentication registration, call out control, the Call Control Unit of address resolution and Bandwidth Management, wherein, also comprise with described video terminal or/and the device of Call Control Unit interconnection, record the corresponding relation of between the video terminal that described Call Control Unit and this Call Control Unit are controlled, setting up in this device, this device obtains and returns to described video terminal the address of corresponding Call Control Unit according to this corresponding relation, send register requirement according to the address of returning to the Call Control Unit of correspondence by described video terminal, perhaps this device obtains the address of corresponding Call Control Unit according to this corresponding relation, the register requirement that described video terminal is sent according to the address that obtains is transmitted to corresponding Call Control Unit, registers on the Call Control Unit of correspondence to realize described video terminal; Wherein, the address that disposes described device on the described video terminal.
The present invention makes that each regional video terminal does not need to dispose different Call Control Unit addresses in the video communication network, only need unified address of configuration just can be registered on certain regional Call Control Unit by its management control, therefore, operator only propagates an address to the user when carrying out videoconferencing service, greatly facilitate the development of videoconferencing service; When system maintenances such as Call Control Unit dilatation, machine room migration Call Control Unit address substitution, the Call Control Unit address that does not need to notify the user to change and dispose on its video terminal, make the operation maintenance management work of Call Control Unit can not impact, saved operation expense user's normal use; After video terminal arrives the roaming place, can inquire Call Control Unit address, roaming place automatically, make the user after arriving the roaming place, needn't on video terminal, reconfigure the Call Control Unit address and can normally use in the same old way; Video terminal is the point-to-point communication mode to the whole employings of the interaction message between the Call Control Unit, does not adopt the multicast mode, has avoided " broadcast storm " influence to network.
Description of drawings
Fig. 1 is the networking schematic diagram of prior art one;
Fig. 2 is the networking schematic diagram of prior art two;
Fig. 3 is the networking schematic diagram of the embodiment of the invention one;
Fig. 4 and Fig. 5 are the register flow path figure of the embodiment of the invention one;
Fig. 6 is the networking schematic diagram of the embodiment of the invention two;
Fig. 7 is the networking schematic diagram of the embodiment of the invention three;
Fig. 8 is the register flow path figure of the embodiment of the invention three.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing, and following examples are based on the video communication network system of agreement H.323, and Call Control Unit is gatekeeper's (Gatekeeper is called for short GK).
Embodiment one:
Consult Fig. 3, in the present embodiment, video communication network by the video terminal of interconnection, to the video terminal in certain zone carry out authentication registration, call out control, address resolution and Bandwidth Management the gatekeeper, form with the catalogue GK of described video terminal interconnection, this catalogue GK records the corresponding relation between the video terminal that zone gatekeeper and this zone gatekeeper control.The ITU-T of the software employing standard of this catalogue GK H.225 RAS agreement communicates by letter with video terminal, and the registered address of all video terminals configurations all is this unified catalogue GK address.When video terminal is initiated register requirement to catalogue GK, this catalogue GK determines the GK address that video terminal will be registered according to the sign of the entrained video terminal of register requirement, return response then and inform video terminal, after video terminal obtains the GK address, just once more to this GK address initiate register requirement, obtain the management of GK.Video terminal in register requirement entrained sign can but be not limited to self IP address, number, title, Email address, URL name of video terminal etc.
Catalogue GK is responsible for the video terminal in the whole video communication network is provided the address lookup service of GK, catalogue GK is according to video terminal sign (IP address entrained in each regional video terminal register requirement, number, title, the Email address, URL title etc.), inquire about pre-configured video terminal sign and the correspondence table of regional GK, the judgement video terminal should be registered on the GK in which zone, if inquired the video terminal The corresponding area, then return the IP address of this regional GK and give video terminal, video terminal is initiated register requirement to this zone GK more then.The video terminal that needs on the catalogue GK to dispose identifies as follows with the corresponding form of regional GK:
| The video terminal sign | The corresponding region | The address of zone GK |
| Video terminal IP address field, as: 210.10.0.0～210.10.0.255 | |
The GK address in |
| Video terminal prefix, as: 010 | |
The GK address in |
| The video terminal number segment, as: 020001～020999 | |
The GK address in |
| Video terminal title prefix, as: AAA, aaa | |
The GK address in |
| Video terminal Email address field is as: @abc.com | Zone 5 | The GK address in |
| Video terminal URL name, as: www.abc.net | Zone 6 | The GK address in |
According to above-mentioned video terminal sign and the mapping table of regional GK, catalogue GK just can judge certain video terminal exactly and should be managed by the GK in which zone.When certain regional GK causes the GK address to change owing to reasons such as machine room resettlements, as long as be updated to new GK address in this form just passable; When dilatation increases a regional GK newly, as long as in form, increase a record, video terminal in the zone identified and should GK address, zone one by one correspondence be configured in the form, just can finish the GK dilatation, do not need to notify in addition the user to dispose new GK address.
The flow process that is registered to GK in the time of will describing video terminal below respectively and roam in the zone and outside the zone.
Consult Fig. 4, the step that the video terminal in the zone 1 is registered to GK is:
(1) video terminal is initiated register requirement to catalogue GK;
(2) catalogue GK receives register requirement, from register requirement, get access to the sign of video terminal, then according to the sign inquiry video terminal sign of video terminal and the correspondence table of regional GK, because the sign of video terminal shows that its position is in zone 1, so catalogue GK determines video terminal and should just be found this regional GK address by the GK in zone 1 management;
(3) catalogue GK returns the refusal response, refuses the register requirement of video terminal, but has carried the GK address in zone 1 in the response;
(4) video terminal obtains regional GK address from the refusal response of catalogue GK;
(5) video terminal sends register requirement according to regional 1GK address to regional 1GK;
(6) zone 1 GK receives register requirement, and the register requirement legitimacy of video terminal is authenticated;
(7) regional 1GK authenticates the video terminal register requirement and passes through, and returns the registration response to video terminal, allows the video terminal registration.
Consult Fig. 5, when video terminal roamed into other zones, its flow process that is registered to GK was:
(1) video terminal is initiated register requirement to catalogue GK;
(2) catalogue GK receives register requirement, catalogue GK obtains the video terminal sign from register requirement, according to the correspondence table of sign inquiry video terminal sign with regional GK, because the video terminal sign shows that its position has arrived random zone, catalogue GK just confirms that video terminal should just be found GK address, zone, roaming place by the GK of roaming place management;
(3) catalogue GK returns the refusal response, the register requirement of refusal video terminal, but carried GK address, zone, roaming place in the response;
(4) video terminal obtains GK address, zone, roaming place from the refusal response of catalogue GK;
(5) video terminal is according to GK address, zone, roaming place, and GK sends register requirement to the zone, roaming place;
(6) roaming place zone GK receives register requirement, and the register requirement legitimacy of video terminal is authenticated;
(7) roaming place GK passes through the register requirement authentication of video terminal through consulting with video terminal ownership place GK, just returns the registration response to video terminal, allows the video terminal registration.
Embodiment two:
Consult Fig. 6, in the present embodiment, LIST SERVER of employing comes the catalogue GK in the alternate embodiment one in video communication network, this LIST SERVER also records the corresponding relation between the video terminal that zone gatekeeper and this zone gatekeeper control, and the interaction message between video terminal and the LIST SERVER can take other non-H.323 agreements to realize.No matter take which kind of communication protocol, video terminal only need send query requests to this LIST SERVER, and the request LIST SERVER provides the IP address of certain regional GK that video terminal should register with response message.Function that LIST SERVER is finished and catalogue GK are just the same, communication protocol between video terminal and the LIST SERVER can be taked various protocols, final purpose is that video terminal and a unified LIST SERVER communicate, and is informed the IP address of the GK that video terminal will be registered by LIST SERVER.Concrete register flow path does not change.
Embodiment three:
Consult Fig. 7, in the present embodiment, video communication network is by the video terminal of interconnection, the gatekeeper that the video terminal in certain zone is authenticated and controls, form with the LIST SERVER of described video terminal and zone gatekeeper interconnection, and this LIST SERVER records the corresponding relation between the video terminal that zone gatekeeper and this zone gatekeeper control.Video terminal sends registration GK request to this unified LIST SERVER, by LIST SERVER register requirement is forwarded to the GK of video terminal region, and the GK that makes video terminal be registered to the region goes up and managed.When LIST SERVER is received the registration GK request of video terminal, also be according to described video terminal sign of front scheme and GK address correspondence table, find the GK address of video terminal region, LIST SERVER is transmitted to this GK address to the registration GK of video terminal request then, and the GK that makes video terminal be registered to the region goes up and managed.The flow process that is registered to GK when video terminal is roamed in the zone or outside the zone is described below:
(1) video terminal sends registration GK request to LIST SERVER;
(2) LIST SERVER is received register requirement, from register requirement, get access to the sign of video terminal, then according to the sign inquiry video terminal sign of video terminal and the correspondence table of regional GK, if the sign of video terminal shows its position in the local zone, then LIST SERVER will find GK address, local zone; If the sign of video terminal shows its position in the zone, roaming place, then LIST SERVER will find GK address, zone, roaming place;
(3) after LIST SERVER finds the GK address in purpose zone, just the register requirement of video terminal is transmitted to the GK of purpose GK address;
(4) after regional GK receives that LIST SERVER is transmitted next register requirement, video terminal sign is wherein carried out the legitimacy authentication;
(5) after regional GK passes through video terminal authentication, return the registration response and give LIST SERVER, allow the video terminal registration;
(6) LIST SERVER is transmitted to video terminal to the registration response that regional GK returns.
Embodiment four:
In addition, catalogue GK in the foregoing description or LIST SERVER can also be substituted by a zone gatekeeper in the video communication network, this zone gatekeeper disposes the mapping table of the address of the sign of video terminal and zone gatekeeper, and with network in other regional video terminals or/and zone gatekeeper interconnection, it not only is responsible for the registration of the video terminal of one's respective area, and have in the foregoing description the independently function of catalogue GK and LIST SERVER, make video terminals all in the video communication network can use unified address to be registered to the gatekeeper of region.Its concrete register flow path is similar to the flow process in the foregoing description, difference is: after this zone gatekeeper of mapping table that disposes the address of the sign of video terminal and zone gatekeeper receives the registration or query requests of video terminal, judge that at first this video terminal is whether in its management area, if words, then directly allow this video terminal registration, if not other subsequent steps are with other embodiment.
Claims (10)
1. realize the video terminal process registration for one kind in video communication network, described video communication network has the Call Control Unit that the video terminal in the network is carried out authentication registration, calling control, address resolution and Bandwidth Management; It is characterized in that described method comprises the steps:
A, between the described video terminal that described Call Control Unit and this Call Control Unit are controlled, set up corresponding relation, and the address that the device of this corresponding relation is preserved in configuration on described video terminal;
B, described video terminal are initiated request according to the address of described device to this device;
C, described device return to described video terminal according to described corresponding relation with the address of the Call Control Unit of correspondence, and described then video terminal sends register requirement to obtain registration according to the address of described Call Control Unit to this Call Control Unit.
2. the method for claim 1, it is characterized in that, the request that video terminal described in the step B is initiated to described device is a query requests, and described device receives after the described query requests by response message the address of described Call Control Unit is returned to described video terminal.
3. the method for claim 1, it is characterized in that, the request that video terminal described in the step B is initiated to described device is a register requirement, and described device receives after the described register requirement by the refusal response message address of described Call Control Unit is returned to described video terminal.
4. method as claimed in claim 3, it is characterized in that, when described device is a Call Control Unit and when receiving the register requirement of video terminal, this Call Control Unit also comprises step before carrying out step C: judge that whether described video terminal is by its control, if, then directly this video terminal is registered, otherwise, step C continued.
5. as each described method of claim 1 to 3, it is characterized in that described device is a server, perhaps is Call Control Unit.
6. realize the video terminal process registration for one kind in video communication network, described video communication network has the Call Control Unit that video terminal is carried out authentication registration, calling control, address resolution and Bandwidth Management; It is characterized in that described method comprises the steps:
A, between the described video terminal that described Call Control Unit and this Call Control Unit are controlled, set up corresponding relation, and the address that the device of this corresponding relation is preserved in configuration on described video terminal;
B, described video terminal are initiated register requirement according to the address of described device to this device;
C, described device obtain the address of described Call Control Unit according to described corresponding relation, and according to the address of described Call Control Unit the register requirement of described video terminal are transmitted to described Call Control Unit, make described video terminal obtain registration.
7. method as claimed in claim 6 is characterized in that, described device is a server, perhaps is Call Control Unit.
8. method as claimed in claim 6, it is characterized in that, when described device is a Call Control Unit and when receiving the register requirement of video terminal, this Call Control Unit also comprises step before carrying out step C: judge that whether described video terminal is by its control, if, then directly this video terminal is registered, otherwise, step C continued.
9. video communication network, comprise video terminal, and described video terminal carried out authentication registration, call out control, the Call Control Unit of address resolution and Bandwidth Management, it is characterized in that, also comprise with described video terminal or/and the device of Call Control Unit interconnection, record the corresponding relation of between the video terminal that described Call Control Unit and this Call Control Unit are controlled, setting up in this device, this device obtains and returns to described video terminal the address of corresponding Call Control Unit according to this corresponding relation, send register requirement according to the address of returning to the Call Control Unit of correspondence by described video terminal, perhaps this device obtains the address of corresponding Call Control Unit according to this corresponding relation, the register requirement that described video terminal is sent according to the address that obtains is transmitted to corresponding Call Control Unit, registers on the Call Control Unit of correspondence to realize described video terminal; Wherein, the address that disposes described device on the described video terminal.
10. video communication network as claimed in claim 9 is characterized in that, described device is server, perhaps Call Control Unit.
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| CNB2004100443913A CN100391181C (en) | 2004-05-26 | 2004-05-26 | Video network and method for implementing video terminal registration in the same network |
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| CNB2004100443913A CN100391181C (en) | 2004-05-26 | 2004-05-26 | Video network and method for implementing video terminal registration in the same network |
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| WO2000033537A1 (en) * | 1998-12-03 | 2000-06-08 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for providing multiple endpoints in a device disposed in a packet-switched network |
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