Automated provisioning of phones in packet voice networks

• US 7,673,021 B2
• Filed: 02/12/2004
• Issued: 03/02/2010
• Est. Priority Date: 02/12/2004
• Status: Expired due to Fees

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: Haddad, Najeeb Farhan, Tasker, Michael, Andrieux, Laure, Shen, Fong, Cooke, Jawhny
• Primary Examiner(s): Donaghue; Larry D
• Assistant Examiner(s): TAYLOR, NICHOLAS R
• Application Number:
  US10/778,516
• Publication Number:
  US 20050198218A1
• Time in Patent Office: 2,210 Days
• Field of Search: 709/220, 709/221, 709/222
• US Class Current: 709/220
• CPC Class Codes: H04L 12/66 Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
• CPC Class Codes: H04L 2101/622 Layer-2 addresses, e.g. medium access control [MAC] addresses
• CPC Class Codes: H04L 2101/65 Telephone numbers
• CPC Class Codes: H04L 41/0806 for initial configuration or provisioning, e.g. plug-and-play
• CPC Class Codes: H04L 61/103 across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
• CPC Class Codes: H04L 61/50 Address allocation
• CPC Class Codes: H04L 67/34 involving the movement of software or configuration parameters network booting or remote initial program loading [RIPL] G06F9/4416
• CPC Class Codes: H04M 3/42229 Personal communication services, i.e. services related to one subscriber independent of his terminal and/or location diverting calls from one subscriber to another subscriber, i.e. two different subscriptions H04M3/54; selecting arrangements in intelligent networks H04Q3/005

Abstract

Approaches for provisioning phones in packet voice networks are disclosed. One approach provides determining that an Internet Protocol (IP) phone has registered in a network; receiving a unique identifier of the IP phone; determining, based on the unique identifier of the IP phone, a user identifier of an individual user associated with the IP phone; generating a configuration for the IP phone based on the user identifier; and providing the configuration to the IP phone. Various approaches for deriving a user identifier based on the unique identifier of the phone are disclosed.

Claims

1. A method comprising the computer-implemented steps of:

determining that an Internet Protocol (IP) phone having a generic minimal configuration has registered in a network;

receiving a unique identifier of the IP phone;

wherein the unique identifier of the IP phone is a media access control (MAC) address;

determining, based on the unique identifier of the IP phone, a particular user identifier of an individual user associated with the IP phone;

retrieving, based on the particular user identifier, a phone number and a feature set that is associated with the individual user;

selecting a stored basic configuration based on the unique identifier of the IP phone and the particular user identifier;

generating a user specific configuration for the IP phone based on the stored basic configuration and the feature set that is associated with the individual user; and

providing the user specific configuration to the IP phone

wherein determining the particular user identifier further comprises;

requesting an inventory system to provide a plurality of port identifiers corresponding to each port of each switch in the network and a plurality of neighbor MAC addresses corresponding to each neighbor device that is coupled to each said port;

selecting one of the port identifiers based on matching the unique identifier of the IP phone to the neighbor MAC addresses; and

based on the selected port identifier, selecting a user identifier from a table that associates switch ports to users;

wherein the steps are performed by one or more computing devices.

2. A method as recited in claim 1, wherein the unique identifier of the IP phone is a media access control (MAC) address, and wherein the step of determining a particular user identifier further comprises the steps of:

requesting an inventory system to provide a plurality of port identifiers corresponding to each port of each switch in the network, a plurality of neighbor MAC addresses corresponding to each neighbor device that is coupled to each said port, and a plurality of user identifiers that are associated with users of computers that correspond to at least some of the neighbor MAC addresses;

selecting one of the port identifiers based on matching the unique identifier of the IP phone to the neighbor MAC addresses; and

selecting one of the user identifiers based on the selected port identifier.

3. A method as recited in claim 1, wherein another device is coupled to the IP phone, and wherein the step of determining a particular user identifier further comprises the steps of:

retrieving, from a network element to which the IP phone and the other device are coupled, discovery protocol neighbor information;

determining from the discovery protocol neighbor information that the other device is coupled to the same network element as the IP phone; and

obtaining the user identifier from the discovery protocol neighbor information.

4. A method as recited in claim 1, wherein another device is coupled to the IP phone, and wherein the step of determining a particular user identifier further comprises the steps of:

monitoring network traffic passing through the IP phone and directed to the other device; and

obtaining the user identifier from the network traffic when the network traffic comprises packets of a protocol known to include user identifiers.

5. A method as recited in claim 1, wherein the step of determining that an IP phone has registered in a network comprises the steps of subscribing to events identifying registration of IP phones, wherein the events are published by a call controller in the network.

6. A method as recited in claim 1, wherein the step of determining that an IP phone has registered in a network comprises the steps of requesting a call controller in the network to provide information about all IP phones that are known to the call controller.

7. A method as recited in claim 1, wherein the step of determining that an IP phone has registered in a network comprises the steps of requesting a call controller in the network to provide information about all IP phones that are known to the call controller, and wherein the step of receiving a unique identifier of the IP phone comprises receiving, from the call controller, a MAC address of each IP phone that is known to the call controller.

8. A method as recited in claim 1, further comprising the step of provisioning a call controller in the network with the final configuration.

9. A method as recited in any of claims 2, 3, 4, 5, 6, 7, or 8, wherein the call controller comprises a call manager.

10. A method as recited in claim 1, wherein the generic minimal configuration and a temporary number that is assigned from a pool of available numbers are received in a registration by the IP phone.

11. A volatile or non-volatile computer-readable medium storing one or more sequences of instructions, which instructions, when executed by one or more processors, cause the one or more processors to carry out the steps of:

determining that an Internet Protocol (IP) phone having a generic minimal configuration has registered in a network;

receiving a unique identifier of the IP phone;

wherein the unique identifier of the IP phone is a media access control (MAC) address;

determining, based on the unique identifier of the P phone, a particular user identifier of an individual user associated with the IP phone;

retrieving, based on the particular user identifier, a phone number and a feature set that is associated with the individual user;

selecting a stored basic configuration based on the unique identifier of the IP phone and the particular user identifier;

generating a user specific configuration for the IP phone based on the stored basic configuration and the feature set that is associated with the individual user; and

providing the user specific configuration to the IP phone

wherein determining the particular user identifier further comprises;

requesting an inventory system to provide a plurality of port identifiers corresponding to each port of each switch in the network and a plurality of neighbor MAC addresses corresponding to each neighbor device that is coupled to each said port;

selecting one of the port identifiers based on matching the unique identifier of the IP phone to the neighbor MAC addresses; and

based on the selected port identifier, selecting a user identifier from a table that associates switch ports to users.

23. The volatile or non-volatile computer-readable medium of claim 11, wherein the instructions that cause determining a particular user identifier further comprise instructions which when executed cause:

requesting an inventory system to provide a plurality of port identifiers corresponding to each port of each switch in the network, a plurality of neighbor MAC addresses corresponding to each neighbor device that is coupled to each said port, and a plurality of user identifiers that are associated with users of computers that correspond to at least some of the neighbor MAC addresses;

selecting one of the port identifiers based on matching the unique identifier of the IP phone to the neighbor MAC addresses; and

selecting one of the user identifiers based on the selected port identifier.

24. The volatile or non-volatile computer-readable medium of claim 11, wherein another device is coupled to the IP phone, and wherein the instructions that cause determining a particular user identifier further comprise instructions which when executed cause:

retrieving, from a network element to which the IP phone and the other device are coupled, discovery protocol neighbor information;

determining from the discovery protocol neighbor information that the other device is coupled to the same network element as the IP phone; and

obtaining the user identifier from the discovery protocol neighbor information.

25. The volatile or non-volatile computer-readable medium of claim 11, wherein another device is coupled to the IP phone, and wherein the instructions that cause determining a particular user identifier further comprise instructions which when executed cause:

monitoring network traffic passing through the IP phone and directed to the other device; and

obtaining the user identifier from the network traffic when the network traffic comprises packets of a protocol known to include user identifiers.

12. An apparatus, comprising:

means for determining that an Internet Protocol (IP) phone having a generic minimal configuration has registered in a network;

means for receiving a unique identifier of the IP phone;

wherein the unique identifier of the IP phone is a media access control (MAC) address;

means for determining, based on the unique identifier of the IP phone, a particular user identifier of an individual user associated with the IP phone;

wherein determining the particular user identifier further comprises;

means for requesting an inventory system to provide a plurality of port identifiers corresponding to each port of each switch in the network and a plurality of neighbor MAC addresses corresponding to each neighbor device that is coupled to each said port; and

means for selecting one of the port identifiers based on matching the unique identifier of the IP phone to the neighbor MAC addresses;

based on the selected port identifier, selecting a user identifier from a table that associates switch ports to users,

means for retrieving, based on the particular user identifier, a phone number and a feature set that is associated with the individual user;

means for selecting a stored basic configuration based on the unique identifier of the IP phone and the particular user identifier;

means for generating a user specific configuration for the IP phone based on the stored basic configuration and the feature set that is associated with the individual user; and

means for providing the user specific configuration to the IP phone.

26. The apparatus of claim 12, wherein the means for determining a particular user identifier further comprises:

means for requesting an inventory system to provide a plurality of port identifiers corresponding to each port of each switch in the network, a plurality of neighbor MAC addresses corresponding to each neighbor device that is coupled to each said port, and a plurality of user identifiers that are associated with users of computers that correspond to at least some of the neighbor MAC addresses;

means for selecting one of the port identifiers based on matching the unique identifier of the IP phone to the neighbor MAC addresses; and

means for selecting one of the user identifiers based on the selected port identifier.

27. The apparatus of claim 12, wherein another device is coupled to the IP phone, and wherein the means for determining a particular user identifier further comprises:

means for monitoring network traffic passing through the IP phone and directed to the other device; and

means for obtaining the user identifier from the network traffic when the network traffic comprises packets of a protocol known to include user identifiers.

13. An apparatus, comprising:

a network interface that is coupled to the data network for receiving one or more packet flows therefrom;

a processor;

one or more stored sequences of instructions which, when executed by the processor, cause the processor to carry out the steps of;

determining that an Internet Protocol (IP) phone having a generic minimal configuration has registered in a network;

receiving a unique identifier of the IP phone;

wherein the unique identifier of the IP phone is a media access control (MAC) address;

determining, based on the unique identifier of the IP phone, a particular user identifier of an individual user associated with the IP phone;

retrieving, based on the particular user identifier, a phone number and a feature set that is associated with the individual user;

selecting a stored basic configuration based on the unique identifier of the IP phone and the particular user identifier;

generating a user specific configuration for the IP phone based on the stored basic configuration and the feature set that is associated with the individual user; and

providing the user specific configuration to the IP phone

wherein determining the particular user identifier further comprises;

requesting an inventory system to provide a plurality of port identifiers corresponding to each port of each switch in the network and a plurality of neighbor MAC addresses corresponding to each neighbor device that is coupled to each said port;

selecting one of the port identifiers based on matching the unique identifier of the IP phone to the neighbor MAC addresses; and

based on the selected port identifier, selecting a user identifier from a table that associates switch ports to users.

14. An apparatus as recited in claim 13, wherein the unique identifier of the IP phone is a media access control (MAC) address, and wherein the instructions for determining a particular user identifier further comprise instructions for:

requesting an inventory system to provide a plurality of port identifiers corresponding to each port of each switch in the network, a plurality of neighbor MAC addresses corresponding to each neighbor device that is coupled to each said port, and a plurality of user identifiers that are associated with users of computers that correspond to at least some of the neighbor MAC addresses;

selecting one of the port identifiers based on matching the unique identifier of the IP phone to the neighbor MAC addresses; and

selecting one of the user identifiers based on the selected port identifier.

15. An apparatus as recited in claim 13, wherein another device is coupled to the IP phone, and wherein the instructions for determining a particular user identifier further comprise instructions for:

retrieving, from a network element to which the IP phone and the other device are coupled, discovery protocol neighbor information;

determining from the discovery protocol neighbor information that the other device is coupled to the same network element as the IP phone; and

obtaining the user identifier from the discovery protocol neighbor information.

16. An apparatus as recited in claim 13, wherein another device is coupled to the IP phone, and wherein the instructions for determining a particular user identifier further comprise instructions for:

monitoring network traffic passing through the IP phone and directed to the other device; and

obtaining the user identifier from the network traffic when the network traffic comprises packets of a protocol known to include user identifiers.

17. An apparatus as recited in claim 13, wherein the instructions for determining that an IP phone has registered in a network comprise instructions for subscribing to events identifying registration of IP phones, wherein the events are published by a call controller in the network.

18. An apparatus as recited in claim 13, wherein the instructions for determining that an IP phone has registered in a network comprise instructions for requesting a call controller in the network to provide information about all IP phones that are known to the call controller.

19. An apparatus as recited in claim 13, wherein the instructions for determining that an IP phone has registered in a network comprise instructions for requesting a call controller in the network to provide information about all IP phones that are known to the call controller, and wherein the instructions for receiving a unique identifier of the IP phone comprise instructions for receiving, from the call controller, a MAC address of each IP phone that is known to the call controller.

20. An apparatus as recited in claim 13, wherein the one or more stored sequences of instructions further comprise instructions which, when executed by the processor, cause the processor to carry out the step of provisioning a call controller in the network with the final configuration.

21. An apparatus as recited in any of claims 14, 15, 16, 17, 18, 19, or 20, wherein the call controller comprises a call manager.

22. An apparatus as recited in claim 13, wherein the generic minimal configuration and a temporary number that is assigned from a pool of available numbers are received in a registration by the IP phone from a call control system.