READ Free Dumps For Cisco- 400-051
| Question ID 12885 | Which element was added to H.225 messages to enable Fast Connect in H.323 version 2?
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| Option A | fastStart
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| Option B | fastConnect
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| Option C | H.245 PDU
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| Option D | User-User Information
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| Option E | Connection Information
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| Correct Answer | A |
Explanation Explanation: Fast start allows for H323 media connections to be started at the beginning of a call. This is helpful for ringback scenarios, and also reduces the amount of time calls take to establish media. H245 is still negotiated later, but the actual media can be done earlier through H225 messages.
| Question ID 12886 | Which two SCCP call signaling messages are sent by an IP phone to Cisco Unified
Communications Manager? (Choose two.)
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| Option A | SoftKeyEvent
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| Option B | OpenReceiveChannelAck
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| Option C | StartMediaTransmission
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| Option D | SelectSoftKeys
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| Option E | CloseReceiveChannel
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| Option F | StopTone
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| Correct Answer | A,B |
Explanation Explanation: This message indicates which soft key was pressed. Upon receipt of this message, CallManager invokes the action associated with the pressed soft key. For example, if Hold was the pressed soft key, CallManager places the active call on user hold. In some trace files you might see a soft key number without the corresponding description. The following list defines each soft key number.