Method and device for recording multimedia data

• US 9,591,377 B2
• Filed: 07/05/2013
• Issued: 03/07/2017
• Est. Priority Date: 07/04/2012
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Wu, Jie
• Primary Examiner(s): Vostal, Ondrej C.
• Application Number:
  US13/935,656
• Publication Number:
  US 20140013369A1
• Time in Patent Office: 1,341 Days
• Field of Search: 709/206
• US Class Current: 1/1
• CPC Class Codes: H04L 65/1104 Session initiation protocol [SIP]
• CPC Class Codes: H04L 67/1008 based on parameters of servers, e.g. available memory or workload monitoring of computer activity G06F11/30
• CPC Class Codes: H04M 3/5183 Call or contact centers with computer-telephony arrangements
• CPC Class Codes: H04M 3/5307 for recording messages comprising any combination of audio and non-audio components
• CPC Class Codes: H04N 21/2743 Video hosting of uploaded data from client
• CPC Class Codes: H04N 21/632 using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices broadcast-related systems characterised by transmission among terminal devices H04H60/80; distributed application using peer-to-peer [P2P] networks H04L67/104
• CPC Class Codes: H04N 21/64322 IP
• CPC Class Codes: H04N 21/647 Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless real-time session protocols H04L65/1101
• CPC Class Codes: H04N 21/8352 involving content or source identification data, e.g. Unique Material Identifier [UMID]

Abstract

In a network system including a mirror switch, a distribution device and a plurality of recording devices, a method for recording multimedia data is provided. The mirror switch sends communication data to the distribution device and the plurality of recording devices. The distribution device obtains multimedia data identification information from a signaling message included in the communication data, generates a recording instruction which includes the multimedia data identification information, and sends the recording instruction to the recording device to instruct the recording device to record the multimedia data.

Claims

1. A method for recording multimedia data of communications between communication devices in a system comprising a mirror switch, a distribution device and a plurality of recording devices, wherein the method is performed by the distribution device and comprises:

receiving communication data sent from the mirror switch, the communication data comprising first multimedia data of a first call, second multimedia data of a second call, and a first signaling message and a second signaling message used to establish channels for transmitting the first multimedia data and the second multimedia data respectively;

obtaining first multimedia data identification information corresponding to the first multimedia data from the first signaling message, and obtaining second multimedia data identification information corresponding to the second multimedia data from the second signaling message;

generating a first recording instruction including the first multimedia data identification information and a second recording instruction including the second multimedia data identification information;

identifying a first recording device and a second recording device from the plurality of recording devices;

sending the first recording instruction to the first recording device to instruct the first recording device to record the first multimedia data of the first call without sending the first multimedia data of the first call to the first recording device; and

sending the second recording instruction to the second recording device to instruct the second recording device to record the second multimedia data of the second call without sending the second multimedia data of the second call to the second recording device;

wherein the first signaling message is a Session Description Protocol (SDP) message, and the first multimedia data identification information is an IP address included in a connection information field of the SDP message, and

wherein the second signaling message is an SDP message, and the second multimedia data identification information is an IP address including in a connection information field of the SDP message.

2. The method according to claim 1,

wherein the first signaling message is a Session Initiation Protocol (SIP) message, and the first multimedia data identification information is a call identifier included in a call identifier header of the SIP message,

wherein the second signaling message is a SIP message, and the second multimedia data identification information is a call identifier included in a call identifier header of the SIP message.

3. The method according to claim 1,

wherein the first signaling message is a Session Description Protocol (SDP) message, and the first multimedia data identification information is a port number included in a media name and transport address field of the SDP message,

wherein the second signaling message is an SDP message, and the second multimedia data identification information is a port number included in a media name and transport address field of the SDP message.

4. The method according to claim 1, further comprising:

determining that the first multimedia data needs to be recorded by comparing a preset IP address or port number with an IP address or port number included in the first signaling message; and

determining that the second multimedia data needs to be recorded by comparing a preset IP address or port number with an IP address or port number included in the second signaling message.

5. The method according to claim 1, further comprising:

determining that the first multimedia data needs to be recorded by comparing a preset calling number or called number with a calling number or a called number included in the first signaling message; and

determining that the second multimedia data needs to be recorded by comparing a preset calling number or called number with a calling number or a called number included in the second signaling message.

6. The method according to claim 1, wherein the distribution device identifies the first recording device and the second recording device based on a load balance for the plurality of recording devices.

7. A distribution device which is configured to receive multimedia data of communications between network devices and assign recording devices to record the multimedia data, comprising:

a hardware processor; and

a memory storing instructions executable by the hardware processor to perform operations comprising;

receiving, from a mirror switch, communication data comprising first multimedia data of a first call, second multimedia data of a second call, and a first signaling message and a second signaling message used to establish channels for transmitting the first multimedia data and the second multimedia data respectively;

obtaining first multimedia data identification information corresponding to the first multimedia data from the first signaling message, and obtaining second multimedia data identification information corresponding to the second multimedia data from the second signaling message;

generating a first recording instruction including the first multimedia data identification information and a second recording instruction including the second multimedia data identification information;

identifying a first recording device and a second recording device from a plurality of recording devices;

sending the first recording instruction to the first recording device to instruct the first recording device to record the first multimedia data of the first call without sending the first multimedia data of the first call to the first recording device; and

sending the second recording instruction to the second recording device to instruct the second recording device to record the second multimedia data of the second call without sending the second multimedia data of the second call to the second recording device;

wherein the first signaling message is a Session Description Protocol (SDP) message, and the first multimedia data identification information is an IP address included in a connection information field of the SDP message, and

wherein the second signaling message is an SDP message, and the second multimedia data identification information is an IP address included in a connection information field of the SDP message.

8. The distribution device according to claim 7,

wherein the first signaling message is a Session Initiation Protocol (SIP) message, and the first multimedia data identification information is a call identifier included in a call identifier header field of the SIP message,

wherein the second signaling message is a SIP message, and the second multimedia data identification information is a call identifier included in a call identifier header field of the SIP message.

9. The distribution device according to claim 7,

wherein the first signaling message is a Session Description Protocol (SDP) message, and the first multimedia data identification information is a port number included in a media name and transport address field of the SDP message,

wherein the second signaling message is an SDP message, and the second multimedia data identification information is a port number included in a media name and transport address field of the SDP message.

10. The distribution device according to claim 7, wherein the operations further comprises:

determining that the first multimedia data needs to be recorded by comparing a preset calling number or called number with a calling number or a called number included in the first signaling message; and

determining that the second multimedia data needs to be recorded by comparing a preset calling number or called number with a calling number or a called number included in the second signaling message.

11. The distribution device according to claim 7, wherein the operations further comprises:

determining that the first multimedia data needs to be recorded by comparing a preset IP address with the IP address included in the first signaling message; and

determining that the second multimedia data needs to be recorded by comparing a preset IP address with the IP address included in the second signaling message.

12. The distribution device according to claim 9, wherein the operations further comprises:

determining that the first multimedia data needs to be recorded by comparing a preset port number with the port number included in the first signaling message; and

determining that the second multimedia data needs to be recorded by comparing a preset port number with the port number included in the second signaling message.

13. The distribution device according to claim 7,

wherein the distribution device is integrated with a recording device.

14. The distribution device according to claim 7,

wherein the hardware processor identifies the first recording device and the second recording device based on a load balance of the plurality of recording devices.