Cisco 400-051 Exam

Which SIP header is used by Cisco Unified Communication Manager to support the Redirected Number ID Service?

  • A. replaces
  • B. RPID
  • C. diversion
  • D. join
  • E. P-charging-vector
Answer: Option C.
Explanation: 

CUCM uses sip diversion header in INVITE message to carryout Redirected Number ID service.
Reference: http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/9_0_1/ccmsys/CUCM_BK_CD2F83FA_00_cucm-system-guide-90/CUCM_BK_CD2F83FA_00_system-guide_chapter_0101000.html#CUCM_TP_R3F173A9_00

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