发明授权
US08320529B2 Sending urgent messages to multiple recipients via a single call 有权
通过单个呼叫向多个收件人发送紧急消息

Sending urgent messages to multiple recipients via a single call
摘要:
A first call is received at a reserved address and is forwarded based on the reserved address. A second call is placed to a designated address, and a message is played to the designated address.
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