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When the caller hangs up first, which direction is the BYE sent?
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0
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9
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June 30, 2025
|
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Which Diameter command does an Application Server use on Sh to read user data?
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0
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8
|
June 30, 2025
|
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SRVCC moves a VoLTE call to which domain?
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0
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6
|
June 30, 2025
|
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If the callee is busy, what SIP code is returned?
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0
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6
|
June 30, 2025
|
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What SIP provisional response is optional and used mainly for information w/o media?
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0
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5
|
June 30, 2025
|
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Diameter messages for IMS typically use which transport?
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0
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6
|
June 30, 2025
|
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Which message acknowledges a reliable 183 response?
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0
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5
|
June 30, 2025
|
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A dedicated bearer shares what with its parent default bearer?
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0
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5
|
June 30, 2025
|
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What transport is used for RTP in VoLTE?
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0
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6
|
June 30, 2025
|
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Which protocol is responsible for media control between IMS-MGW and P-CSCF?
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0
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8
|
June 30, 2025
|
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Which SIP response indicates the callee answered the call?
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0
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6
|
June 30, 2025
|
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In SRVCC, which sentence is true?
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0
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7
|
June 30, 2025
|
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Which SIP header carries the user's IMSI during IMS registration?
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0
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8
|
June 30, 2025
|
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Which QCI is defined for conversational voice GBR?
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0
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7
|
June 30, 2025
|
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Which Diameter interface connects I-CSCF/S-CSCF and HSS?
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0
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8
|
June 30, 2025
|
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The media counterpart of ATCF is abbreviated as:
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0
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4
|
June 30, 2025
|
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PCRF uses which command on Gx to install rules?
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0
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5
|
June 30, 2025
|
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What is the purpose of the Diameter 2nd UAR message in IMS Registration Call flow?
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0
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5
|
June 30, 2025
|
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Which SIP method initiates a session in IMS?
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0
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5
|
July 1, 2025
|
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Which security mechanism protects SIP signaling between UE and P-CSCF?
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0
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5
|
June 30, 2025
|
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If the HSS returns `DIAMETER_ERROR_USER_UNKNOWN` in UAA, what SIP response does the I-CSCF send to the UE?
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0
|
6
|
June 30, 2025
|
|
Access Transfer Control Function (ATCF) primarily handles:
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0
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5
|
July 1, 2025
|
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In Online Charging, which Request Type is used and in Offline also?
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0
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6
|
June 30, 2025
|
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In SRVCC scenarios, what media plane adjustment is done?
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0
|
5
|
June 30, 2025
|
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Which Diameter command is used by the S-CSCF to retrieve authentication vectors from the HSS?
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0
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6
|
June 30, 2025
|
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In IMS, what allows early media (ringback) before 200 OK?
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0
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5
|
June 30, 2025
|
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Which protocol is primarily used to carry media (voice/video) in IMS?
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0
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5
|
July 1, 2025
|
|
Default IMS signaling bearer uses which QCI?
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0
|
7
|
June 30, 2025
|
|
Initial Filter Criteria are stored in?
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|
0
|
6
|
June 30, 2025
|
|
What does Server Assignment Request (SAR) achieve?
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0
|
6
|
June 30, 2025
|