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What is RRC and RAB?
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4
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36731
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July 7, 2025
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The Power of CFI: How 1, 2, or 3 Can Reshape Your LTE Network
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0
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20
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July 7, 2025
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Any chance of breaking out the TX/RX from a simple 4G phone?
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0
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10
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July 7, 2025
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Moshell commands or oss tools to check user KPIs
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3
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3016
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July 5, 2025
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Wi-Fi Aggregation Explained: Railcars, Freight, and Frame Efficiencyw
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0
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8
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July 4, 2025
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Behind the Speed: How Wi-Fi Talks to Itself
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0
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8
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July 4, 2025
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Why should an operator decide to work with 5GC?
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7
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576
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June 22, 2020
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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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15
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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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13
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June 30, 2025
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SRVCC moves a VoLTE call to which domain?
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0
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30
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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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11
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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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6
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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
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June 30, 2025
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Which message acknowledges a reliable 183 response?
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0
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6
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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
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June 30, 2025
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What transport is used for RTP in VoLTE?
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0
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12
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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
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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
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June 30, 2025
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In SRVCC, which sentence is true?
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0
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8
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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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13
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June 30, 2025
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Which QCI is defined for conversational voice GBR?
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0
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10
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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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10
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June 30, 2025
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The media counterpart of ATCF is abbreviated as:
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0
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6
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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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6
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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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7
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June 30, 2025
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Which SIP method initiates a session in IMS?
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0
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6
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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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7
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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
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11
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June 30, 2025
|
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Access Transfer Control Function (ATCF) primarily handles:
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0
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5
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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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7
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June 30, 2025
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