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US09294517B2 Call setup and control by third-party device 有权
第三方设备的呼叫建立和控制

Call setup and control by third-party device
摘要:
Method for setting up a communication session (SM) between two communication agents (A, B), triggered by the reception of an event (S) by a third-party communication element (C). Following the reception of this event, the third-party element sends the first of the two agents (A) a signalling message (M1) adapted to cause said agent to send an invitation message (M2) addressed to the second of the two agents (B) and intended to pass via the third-party element (C).
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