Huawei H11-861_V2.0 Question Answer
According to the H.323 protocol, a message sent by the caller to the caller indicates which message ( ) the called user has off-hooked.
Huawei H11-861_V2.0 Question Answer
According to the H.323 protocol, a message sent by the caller to the caller indicates which message ( ) the called user has off-hooked.