|
LIR/LIA pair is primarily used when?
|
|
0
|
68
|
June 30, 2025
|
|
When the caller hangs up first, which direction is the BYE sent?
|
|
0
|
71
|
June 30, 2025
|
|
Which Diameter command does an Application Server use on Sh to read user data?
|
|
0
|
71
|
June 30, 2025
|
|
SRVCC moves a VoLTE call to which domain?
|
|
0
|
71
|
June 30, 2025
|
|
If the callee is busy, what SIP code is returned?
|
|
0
|
56
|
June 30, 2025
|
|
What SIP provisional response is optional and used mainly for information w/o media?
|
|
0
|
48
|
June 30, 2025
|
|
Diameter messages for IMS typically use which transport?
|
|
0
|
48
|
June 30, 2025
|
|
Which message acknowledges a reliable 183 response?
|
|
0
|
51
|
June 30, 2025
|
|
A dedicated bearer shares what with its parent default bearer?
|
|
0
|
46
|
June 30, 2025
|
|
What transport is used for RTP in VoLTE?
|
|
0
|
53
|
June 30, 2025
|
|
Which protocol is responsible for media control between IMS-MGW and P-CSCF?
|
|
0
|
65
|
June 30, 2025
|
|
Which SIP response indicates the callee answered the call?
|
|
0
|
37
|
June 30, 2025
|
|
In SRVCC, which sentence is true?
|
|
0
|
47
|
June 30, 2025
|
|
Which SIP header carries the user's IMSI during IMS registration?
|
|
0
|
80
|
June 30, 2025
|
|
Which QCI is defined for conversational voice GBR?
|
|
0
|
38
|
June 30, 2025
|
|
Which Diameter interface connects I-CSCF/S-CSCF and HSS?
|
|
0
|
45
|
June 30, 2025
|
|
The media counterpart of ATCF is abbreviated as:
|
|
0
|
64
|
June 30, 2025
|
|
PCRF uses which command on Gx to install rules?
|
|
0
|
48
|
June 30, 2025
|
|
What is the purpose of the Diameter 2nd UAR message in IMS Registration Call flow?
|
|
0
|
72
|
June 30, 2025
|
|
Which SIP method initiates a session in IMS?
|
|
0
|
36
|
July 1, 2025
|
|
Which security mechanism protects SIP signaling between UE and P-CSCF?
|
|
0
|
34
|
June 30, 2025
|
|
If the HSS returns `DIAMETER_ERROR_USER_UNKNOWN` in UAA, what SIP response does the I-CSCF send to the UE?
|
|
0
|
56
|
June 30, 2025
|
|
Access Transfer Control Function (ATCF) primarily handles:
|
|
0
|
43
|
July 1, 2025
|
|
In Online Charging, which Request Type is used and in Offline also?
|
|
0
|
31
|
June 30, 2025
|
|
In SRVCC scenarios, what media plane adjustment is done?
|
|
0
|
39
|
June 30, 2025
|
|
Which Diameter command is used by the S-CSCF to retrieve authentication vectors from the HSS?
|
|
0
|
52
|
June 30, 2025
|
|
In IMS, what allows early media (ringback) before 200 OK?
|
|
0
|
50
|
June 30, 2025
|
|
Which protocol is primarily used to carry media (voice/video) in IMS?
|
|
0
|
49
|
July 1, 2025
|
|
Default IMS signaling bearer uses which QCI?
|
|
0
|
53
|
June 30, 2025
|
|
Initial Filter Criteria are stored in?
|
|
0
|
39
|
June 30, 2025
|