HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
Internet Service Commands
Issue 04 (2013-01-28)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
210
To change the priority of voice call and data service by using AT^DVCFG=0 command,
or using command AT^IPCLOSE=7 to close IPSTACK, which can return back to
answer the voice call when it coming.