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Gateway Configuration & Management Flashcards

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  1. What is the significance of the 'Application Type' parameter when configuring an AudioCodes Mediant SBC?

    Answer: It determines whether the device operates as a SIP proxy, B2BUA, or back-to-back user agent

    The Application Type parameter controls the SIP processing model, such as operating in SBC (B2BUA) mode versus transparent proxy mode, affecting how calls are handled.

  2. On AudioCodes gateways, 'Hunt Group' configuration is primarily used for:

    Answer: Grouping analog or digital PSTN trunks for load sharing and overflow

    Hunt Groups aggregate multiple PSTN trunk channels so calls can be distributed across them with configurable hunting algorithms like cyclic or first available.

  3. Which AudioCodes feature provides automatic failover to a secondary SIP proxy when the primary is unreachable?

    Answer: Proxy Redundancy (Hot Standby / Homing)

    Proxy Redundancy with Hot Standby or Homing mode allows the device to detect primary proxy failure via keep-alives and automatically reroute signaling to a secondary proxy.

  4. What AudioCodes Mediant parameter controls the maximum number of concurrent calls allowed on the device?

    Answer: Maximum Number of Calls (MaxCalls)

    The MaxCalls parameter sets the global concurrent call limit on the device, preventing overload by rejecting calls that exceed the configured threshold.

  5. In AudioCodes configuration, what does 'PSTN Alert Timeout' control?

    Answer: How long the gateway waits for a ringing response from the PSTN before releasing the call

    PSTN Alert Timeout defines the maximum time the gateway waits for an alerting/ringing signal from the PSTN side before treating the call as failed.

  6. Which AudioCodes diagnostic feature captures SIP signaling and media traffic for offline analysis?

    Answer: Wireshark-compatible packet capture via Ethereal Capture (debug recording)

    AudioCodes devices support debug-level packet capture that produces PCAP files compatible with Wireshark for detailed SIP and RTP traffic analysis.