System and method for communication using a wireless handset

• US 20070004400A1
• Filed: 07/01/2005
• Published: 01/04/2007
• Est. Priority Date: 07/01/2005
• Status: Active Grant

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: McClung, Michael
• Granted Patent: US 7,764,960 B2
• Time in Patent Office: Days
• US Class Current: 455/426.100
• CPC Class Codes: H04M 2203/2094 Proximity
• CPC Class Codes: H04M 2207/203 composed of PSTN and data network, e.g. the Internet
• CPC Class Codes: H04M 3/42263 where the same subscriber uses different terminals, i.e. nomadism
• CPC Class Codes: H04M 3/56 Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities video conference systems H04N7/15
• CPC Class Codes: H04W 36/142 over the same radio air interface technology
• CPC Class Codes: H04W 60/005 Multiple registrations, e.g. multihoming
• CPC Class Codes: H04W 8/26 Network addressing or numbering for mobility support
• CPC Class Codes: H04W 80/10 adapted for application session management, e.g. SIP [Session Initiation Protocol] connection management H04W76/00; arrangements for session management H04L67/14
• CPC Class Codes: H04W 88/021 adapted for Wireless Local Loop operation

Abstract

A method for providing communication service includes detecting that a wireless handset has been decoupled from a base, wherein the base is associated with a plurality of communication addresses. The method also includes identifying one or more of the plurality of communication addresses to be associated with the wireless handset, in response to detecting the wireless handset has been decoupled from the base, and transmitting a registration to a registrar. The registration identifies the wireless handset and one or more of the identified communication addresses.

Claims

1. A method for providing communication service, comprising:

detecting that a wireless handset has been decoupled from a base, wherein the base is associated with a plurality of communication addresses;

in response to detecting the wireless handset has been decoupled from the base, identifying one or more of the plurality of communication addresses to be associated with the wireless handset; and

transmitting a registration to a registrar, wherein the registration identifies the wireless handset and one or more of the identified communication addresses.

2. The method of claim 1, further comprising at least one of:

initiating, at the wireless handset, a call involving one of the communication addresses identified by the registration; and

receiving, at the wireless handset, a call involving one of the communication addresses identified by the registration.

3. The method of claim 1, further comprising associating, at the registrar, at least one of the communication addresses with the wireless handset.

4. The method of claim 1, further comprising:

determining that a call is active between the base and a communication device involving one of the communication addresses identified by the registration;

initiating a conference call on a conferencing element;

inviting the wireless handset to the conference call; and

inviting the communication device to the conference call.

5. The method of claim 4, wherein:

inviting the wireless handset to the conference call comprises transmitting a Session Initiation Protocol (SIP) INVITE message to the wireless handset; and

inviting the communication device to the conference call comprises transmitting a SIP REFER message to the communication device, wherein the REFER message identifies the conferencing element.

6. The method of claim 1, further comprising:

determining that a call is active between the base and a communication device involving one of the communication addresses identified by the registration;

identifying the wireless handset to the communication device; and

initiating, using the communication device, a communication session between the communication device and the wireless device.

7. The method of claim 6, wherein identifying the wireless handset to the communication device comprises transmitting a Session Initiation Protocol (SIP) REFER message to the communication device, wherein the REFER message identifies the wireless handset.

8. The method of claim 1, further comprising:

determining that a call is active between the base and a communication device through one of the communication addresses identified by the registration;

placing the call on hold; and

retrieving the call with the wireless handset.

9. The method of claim 8, wherein placing the call on hold comprises:

placing the call on hold; and

associating the call with a call identifier; and

wherein retrieving the call with the wireless handset comprises retrieving the call based on the call identifier.

10. The method of claim 1, further comprising:

requesting a location of the wireless handset; and

receiving the location of the wireless handset from the wireless handset.

11. The method of claim 1, further comprising:

in response to detecting that the wireless handset has been decoupled, accessing configuration information stored in the wireless handset; and

configuring the wireless handset based on the configuration information.

12. A method for providing communication service, comprising:

detecting that a wireless handset has been coupled to a base, wherein the wireless handset is associated with one or more communication addresses;

in response to detecting the wireless handset has been decoupled from the base, identifying one or more of the communication addresses to be associated with the base; and

transmitting a registration to a registrar, wherein the registration identifies the base and one or more of the identified communication addresses.

13. The method of claim 12, further comprising at least one of:

initiating, at the base, a call involving one of the communication addresses identified by the registration; and

receiving, at the base, a call involving one of the communication addresses identified by the registration.

14. The method of claim 12, further comprising associating, at the registrar, at least one of the communication addresses with the base.

15. The method of claim 12, further comprising:

determining that a call is active between the wireless handset and a communication device involving one of the communication addresses identified by the registration;

initiating a conference call on a conferencing element;

inviting the base to the conference call; and

inviting the communication device to the conference call.

16. The method of claim 15, wherein:

inviting the base to the conference call comprises transmitting a Session Initiation Protocol (SIP) INVITE message to the wireless handset; and

inviting the communication device to the conference call comprises transmitting a SIP REFER message to the communication device, wherein the REFER message identifies the conferencing element.

17. The method of claim 12, further comprising:

determining that a call is active between the wireless handset and a communication device involving one of the communication addresses identified by the registration;

identifying the base to the communication device; and

initiating, using the communication device, a communication session between the communication device and the base.

18. The method of claim 17, wherein identifying the base to the communication device comprises transmitting a Session Initiation Protocol (SIP) REFER message to the communication device, wherein the REFER message identifies the base.

19. The method of claim 12, further comprising:

determining that a call is active between the wireless handset and a communication device through one of the communication addresses identified by the registration;

placing the call on hold; and

retrieving the call with the base.

20. The method of claim 19, wherein placing the call on hold comprises:

placing the call on hold; and

associating the call with a call identifier; and

wherein retrieving the call with the base comprises retrieving the call based on the call identifier.

21. The method of claim 12, further comprising:

in response to detecting that the wireless handset has been coupled to the base, accessing configuration information stored on the wireless handset; and

configuring the base on the configuration information.

22. A system for providing communication service, comprising:

a base coupled to a communication network, wherein the base is associated with a plurality of communication addresses; and

a wireless handset comprising;

a wireless interface operable to wirelessly transmit information to and wirelessly receive information from a wireless communication network; and

a wired interface operable to, when the wireless handset is coupled to the base, transmit information to and receive information from the communication network connected to the base; and

a processor operable to;

detect that the wireless handset has been decoupled from the base;

in response to detecting the wireless handset has been decoupled from the base, identify one or more of the plurality of communication addresses to be associated with the wireless handset; and

transmit a registration to a registrar using the wireless interface, wherein the registration identifies the wireless handset and one or more of the identified communication addresses.

23. The system of claim 22, wherein the wireless handset is operable to perform at least one of:

initiating, at the wireless handset, a call involving one of the communication addresses identified by the registration; and

receiving, at the wireless handset, a call involving one of the communication addresses identified by the registration.

24. The system of claim 22, further comprising a communication device and wherein the base is operable to:

determine that a call is active between the base and the communication device involving one of the communication addresses identified by the registration;

initiate a conference call on a conferencing element;

invite the wireless handset to the conference call; and

invite the communication device to the conference call.

25. The system of claim 24, wherein the base is operable to:

invite the wireless handset to the conference call by transmitting a Session Initiation Protocol (SIP) INVITE message to the wireless handset; and

invite the communication device to the conference call by transmitting a SIP REFER message to the communication device, wherein the REFER message identifies the conferencing element.

26. The system of claim 22, further comprising a communication device and wherein the base is operable to:

determine that a call is active between the base and the communication device involving one of the communication addresses identified by the registration; and

identify the wireless handset to the communication device; and

wherein the communication device is operable to initiate a communication session between the communication device and the wireless device in response to the base identifying the wireless handset to the communication device.

27. The system of claim 26, wherein the base is operable to identify the wireless handset to the communication device by transmitting a Session Initiation Protocol (SIP) REFER message to the communication device, wherein the REFER message identifies the wireless handset.

28. The system of claim 22, further comprising a communication device and wherein the base is operable to:

determine that a call is active between the base and a communication device through one of the communication addresses identified by the registration; and

place the call on hold; and

wherein the wireless handset is further operable to retrieve the call.

29. The system of claim 28, wherein the base is operable to place the call on hold by:

placing the call on hold; and

associating the call with a call identifier; and

wherein the wireless handset is further operable to retrieve the call based on the call identifier.

30. The system of claim 22, wherein:

the base is further operable to request a location of the wireless handset; and

the wireless handset is further operable to communicate information describing the location of the wireless handset to the base.

31. The system of claim 22, further wherein the wireless handset is further operable to

access configuration information stored in the wireless handset, in response to detecting that the wireless handset has been decoupled;

and

configure the wireless handset based on the configuration information.

32. A system for providing communication service, comprising:

a wireless handset associated with one or more communication addresses, comprising;

a wireless interface operable to wirelessly transmit information to and wirelessly receive information from a wireless communication network; and

a wired interface operable to, when the wireless handset is coupled to a base, transmit information to and receive information from the communication network connected to the base; and

a base coupled to a communication network and comprising;

a processor operable to;

detect that the wireless handset has been coupled to the base;

in response to detecting the wireless handset has been decoupled from the base, identify one or more of the plurality of communication addresses to be associated with the base; and

transmit a registration to a registrar, wherein the registration identifies the base and one or more of the identified communication addresses.

33. The system of claim 32, wherein the base is operable to perform at least one of:

initiating a call involving one of the communication addresses identified by the registration; and

receiving a call involving one of the communication addresses identified by the registration.

34. The system of claim 32, further comprising a communication device and wherein the wireless handset is operable to:

determine that a call is active between the wireless handset and the communication device involving one of the communication addresses identified by the registration;

initiate a conference call on a conferencing element;

invite the base to the conference call; and

invite the communication device to the conference call.

35. The system of claim 32, wherein the wireless handset is operable to:

invite the base to the conference call by transmitting a Session Initiation Protocol (SIP) INVITE message to the wireless handset; and

invite the communication device to the conference call by transmitting a SIP REFER message to the communication device, wherein the REFER message identifies the conferencing element.

36. The system of claim 32, further comprising a communication device and wherein the wireless handset is operable to:

determine that a call is active between the wireless handset and a communication device involving one of the communication addresses identified by the registration;

identify the base to the communication device; and

wherein the communication device is operable to initiate a communication session between the communication device and the base in response to the base identifying the wireless handset to the communication device.

37. The system of claim 36, wherein the wireless handset is operable to identify the base to the communication device by transmitting a Session Initiation Protocol (SIP) REFER message to the communication device, wherein the REFER message identifies the base.

38. The system of claim 32, further comprising a communication device and wherein the wireless handset is operable to:

determine that a call is active between the wireless handset and the communication device through one of the communication addresses identified by the registration; and

place the call on hold; and

wherein the base is operable to retrieve the call.

39. The system of claim 38, wherein the wireless handset is operable to place the call on hold by:

placing the call on hold; and

associating the call with a call identifier; and

wherein the base is operable to retrieve the call by retrieving the call based on the call identifier.

40. The system of claim 32, wherein the base is operable to:

detect that the wireless handset has been coupled to the base;

access configuration information stored on the wireless handset, in response to detecting that the wireless handset has been coupled to the base; and

configure the base based on the configuration information.

41. A system for providing communication service, comprising:

means for detecting that a wireless handset has been decoupled from a base, wherein the base is associated with a plurality of communication addresses;

means for identifying one or more of the plurality of communication addresses to be associated with the wireless handset, in response to detecting the wireless handset has been decoupled from the base; and

means for transmitting a registration to a registrar, wherein the registration identifies the wireless handset and one or more of the identified communication addresses.

42. A system for providing communication service, comprising:

means for detecting that a wireless handset has been coupled to a base, wherein the wireless handset is associated with one or more communication addresses;

means for identifying one or more of the communication addresses to be associated with the base, in response to detecting the wireless handset has been decoupled from the base; and

means for transmitting a registration to a registrar, wherein the registration identifies the base and one or more of the identified communication addresses.