| 摘要 |
In accordance with aspects of the disclosure, a method, apparatus, and computer program product are provided for wireless communication. The method, apparatus, and computer program product may be configured to acquire a first wireless network for data packet communication on a first radio access technology, request service for a voice call from a second radio access technology via a data tunnel provided by the first radio access technology, determine a failure in obtaining the requested service for the voice call, attempt to re-acquire the first radio access technology and redial the voice call via the first radio access technology in response to determining the failure, obtain the requested service for the voice call if performing of the attempt was less than or equal to a threshold, and acquire a second wireless network via the second radio access technology if performing of the attempt was greater than the threshold.
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