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
Refer to the exhibit. Which user agent has the recipient role in this SIP REFER call transfer?
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answerhappygod
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Refer to the exhibit. Which user agent has the recipient role in this SIP REFER call transfer?
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