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Review the INVITE message shown below and define if the statement below is correct: INVITE sip: 9 9 9 @ 1 9 2 . 1
Review the INVITE message shown below and define if the statement below is correct:
INVITE sip:@: SIP
Via: SIPUDP :;branchzhGbK
From: ;tag
To:
CallID: @
CSeq: INVITE
Contact:
ContentType: applicationsdp
Allow: INVITE, INFO, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, REFER, PUBLISH, UPDATE, MESSAGE
MaxForwards:
UserAgent: Yealink SIPTG
AllowEvents: talk,hold,conference,refer,checksync
Supported: replaces
ContentLength:
The SIP INVITE reveals that the IP address of the CX server is
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