Call continuity using short-range communications handoff
US-2015146683-A1 · May 28, 2015 · US
US9730262B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9730262-B2 |
| Application number | US-201614988071-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 5, 2016 |
| Priority date | Jan 6, 2015 |
| Publication date | Aug 8, 2017 |
| Grant date | Aug 8, 2017 |
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Official abstract text for this publication.
A method of operating a first electronic device for improving call quality is provided. The method includes the operations of transmitting call data received through a first call between the first electronic device and a third electronic device to a second electronic device, using short-range wireless communication connected with the second electronic device, if a communication abnormality of the short-range wireless communication takes place, connecting a second call between the first electronic device and the second electronic device, generating a third call by merging the first call and the second call, and releasing a call connection of the first electronic device from the third call.
Opening claim text (preview).
What is claimed is: 1. A method of operating a first electronic device, the method comprising: transmitting call data received through a first call between the first electronic device and a third electronic device to a second electronic device, using short-range wireless communication connected with the second electronic device; if a communication abnormality of the short-range wireless communication takes place, connecting a second call between the first electronic device and the second electronic device; generating a third call by merging the first call and the second call; and releasing a call connection of the first electronic device from the third call. 2. The method of claim 1 , wherein the communication abnormality is determined based on at least one of a signal strength of the call data, a data rate, a data error rate, and short-range wireless communication connection release or non-release. 3. The method of claim 1 , wherein the connecting of the second call between the first electronic device and the second electronic device further comprises: releasing a connection of the short-range wireless communication; and sending a base station a call connection request message for connecting the second call, using cellular communication. 4. The method of claim 1 , wherein the connecting of the second call between the first electronic device and the second electronic device further comprises sending the second electronic device a message requesting to turn on a power source of a cellular communication interface of the second electronic device, using the short-range wireless communication. 5. The method of claim 1 , wherein the connecting of the second call between the first electronic device and the second electronic device further comprises outputting a notification of directly connecting a call between the second electronic device and the third electronic device. 6. The method of claim 1 , wherein the generating of the third call by merging the first call and the second call further comprises: sending a base station a call merge request message for merging the first call and the second call; and checking the merging of the first call and the second call. 7. A method of operating a second electronic device, the method comprising: receiving call data received through a first call between a first electronic device and a third electronic device using short-range wireless communication connected with the first electronic device, from the first electronic device; if a communication abnormality of the short-range wireless communication takes place, connecting a second call between the first electronic device and the second electronic device; and directly connecting a call between the second electronic device and the third electronic device by releasing a call connection of the first electronic device from a third call generated from a merging of the first call and the second call. 8. The method of claim 7 , wherein the communication abnormality is determined based on at least one of a signal strength of the call data, a data rate, a data error rate, and short-range wireless communication connection release or non-release. 9. The method of claim 7 , wherein the connecting of the second call between the first electronic device and the second electronic device further comprises: sending the first electronic device a message for connection of the second call, using the short-range wireless communication; converting the short-range wireless communication into cellular communication; and connecting the second call between the first electronic device and the second electronic device, using the cellular communication. 10. The method of claim 7 , wherein the connecting of the second call between the first electronic device and the second electronic device further comprises outputting a notification of directly connecting a call between the second electronic device and the third electronic device. 11. A first electronic device comprising: a short-range wireless communication interface configured to support short-range wireless communication; a cellular communication interface configured to support cellular communication; and at least one processor configured to: transmit call data received through a first call between the first electronic device and a third electronic device to a second electronic device, using a short-range wireless communication connected with the second electronic device, connect a second call between the first electronic device and the second electronic device if a communication abnormality of the short-range wireless communication takes place, generate a third call by merging the first call and the second call, and release a call connection of the first electronic device from the third call. 12. The first electronic device of claim 11 , wherein the communication abnormality is determined based on at least one of a signal strength of the call data, a data rate, a data error rate, and short-range wireless communication connection release or non-release. 13. The first electronic device of claim 11 , wherein the processor is configured to: release a connection of the short-range wireless communication, and send a base station a call connection request message for connecting the second call, using the cellular communication. 14. The first electronic device of claim 11 , wherein the processor is configured to send the second electronic device a message requesting to turn on a power source of a cellular communication interface comprised in the second electronic device, using the short-range wireless communication. 15. The first electronic device of claim 11 , wherein the processor is configured to output a notification of directly connecting a call between the second electronic device and the third electronic device. 16. The first electronic device of claim 11 , wherein the processor is configured to: send a base station a call merge request message for merging the first call and the second call, and check the merging of the first call and the second call. 17. A second electronic device comprising: a short-range wireless communication interface configured to support short-range wireless communication; a cellular communication interface configured to support cellular communication; and a processor configured to: receive call data received through a first call between a first electronic device and a third electronic device using the short-range wireless communication connected with the first electronic device, from the first electronic device, connect a second call between the first electronic device and the second electronic device if a communication abnormality of the short-range wireless communication takes place, and directly connect a call between the second electronic device and the third electronic device by releasing a call connection of the first electronic device from a third call generated from a merging of the first call and the second call. 18. The second electronic device of claim 17 , wherein the communication abnormality is determined based on at least one of a signal strength of the call data, a data rate, a data error rate, and short-range wireless communication connection release or non-release. 19. The second electronic device of claim 17 , wherein the processor is further configured to: send the first electronic device a message for connection of the second call, using the short-range wireless communication, convert the short-range wireless communication into cellular commu
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