Question 64 of 490 from exam 400-051: CCIE Collaboration

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Question

Refer to the exhibit.

user agent A user agent B user agent C

INVITE/200/ACK

Refer: Refer-To: Agent C

202 Accepted

Notify (100 Trying body)

200 OK

Notify 200 OK (Refer success)

200 OK
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Which user agent has the recipient role in this SIP REFER call transfer?

Answers

A. user agent A

B. user agent B

C. user agent C

D. user agent B and C

E. user agent A and B.

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Explanations

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A. B. C. D. E.

The Refer method has three main roles:OriginatorUser agent that initiates the transfer or Refer request.RecipientUser agent that receives the Refer request and is transferred to the final-recipient.Final-RecipientUser agent introduced into a call with the recipient.

References: http://www.cisco.com/c/en/us/td/docs/ios_xr_sw/iosxr_r3-4/sbc/configuration/guide/sbc_c34/sbc34stx.pdf.

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