Refer to the exhibit.
Which user agent has the recipient role in this SIP REFER call transfer?
A.
user agent A
B.
user agent B
C.
user agent C
D.
user agent B and C
E.
user agent A and B
Explanation:
The Refer method has three main roles:
• Originator—User agent that initiates the transfer or Refer request.
• Recipient—User agent that receives the Refer request and is transferred to the final-recipient.
• Final-Recipient—User agent introduced into a call with the recipient.
http://www.cisco.com/c/en/us/td/docs/ios_xr_sw/iosxr_r3-
4/sbc/configuration/guide/sbc_c34/sbc34stx.pdf