Question 69 of 490 from exam 400-051: CCIE Collaboration

Question 69 of 490 from exam 400-051: CCIE Collaboration

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Question

Refer to the exhibit.

Type B SIP Messages
SIP IP Phone
Extension 1001

Step 1: User takes the SIP IP Phone off-hook
Step 2: User hears a dial tone
Step 3: User presses 2001, digit by digit

4%

SCCP IP Phone Extension 2001

A user is going through a series of dialing steps on a SIP Type B IP phone (for example, a Cisco 7975) to call an SCCP IP phone.

Both phones are registered to the same Cisco Unified Communications Manager cluster.

Assuming that the calling SIP phone is not associated with any SIP dial rules, which statement about how digits are forwarded to Cisco Unified Communications Manager for further call processing is true?

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Explanations

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A. B. C. D. E.

A.

KPML procedures use a SIP SUBSCRIBE message to register for DTMF digits.

The digits themselves are delivered in NOTIFY messages containing an XML encoded body.

And it is Out of Band DTMF.