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Virtual lab

Cisco CUBE Labs

A full SIP trunking edge: CUBE, a simulated carrier and a CUCM cluster. Ideal for dial-peer design, SIP normalisation and security practice.
GuidedSelf-pacedRentalEnterprise
Get lab accessEnterprise pods

Topology

What's inside the pod

Every CUBE pod includes a Catalyst 8000V running IOS XE, a carrier-grade PSTN simulator with configurable SIP behaviours (early/delayed offer, non-standard headers, registration), and a two-node CUCM cluster with endpoints.
CUBE lab pod: dual-carrier SIP edgeNodes: IP phones (Webex App), CUCM Publisher (v15), CUCM Subscriber (v15), CUBE (C8000V · IOS XE 17), ITSP A (Registration + digest), ITSP B (IP trust), Capture host (Wireshark). Connections: IP phones to CUCM Publisher via SIP; CUCM Publisher to CUBE via SIP trunk; CUCM Subscriber to CUBE; CUBE to ITSP A via TLS · SRTP; CUBE to ITSP B via SIP/UDP; Capture host to CUCM Subscriber via SPAN.ENTERPRISECARRIERS (SIMULATED)SIPSIP trunkTLS · SRTPSIP/UDPSPANIP phonesWebex AppCUCM Publisherv15CUCM Subscriberv15CUBEC8000V · IOS XE 17ITSP ARegistration + digestITSP BIP trustCapture hostWireshark
  • Cisco platform
  • Microsoft 365
  • Border element / SBC
  • Carrier / external
  • Endpoints
Components and versions
Cisco CUBE on Catalyst 8000VIOS XE 17.x
Cisco Unified CM (publisher + subscriber)15
SIP carrier simulatorConfigurable profiles
Softphones and SIP test endpoints—
Packet capture workstationWireshark

Exercises

Sample lab exercises

  • ITSP SIP trunk with registrationProfessional90 min
  • Dial-peer groups and E.164 pattern mapsProfessional90 min
  • SIP profile normalisation challengeProfessional75 min
  • TLS/SRTP to the carrierProfessional75 min
  • Box-to-box high availabilityExpert90 min

Access options

How you can use this lab

  • Guided labs

    Step-by-step workbooks with checkpoints and automatic validation. Included with every course.

  • Self-paced labs

    Open-ended scenarios with a task list and a separate solution guide. Practise until it's muscle memory.

  • Lab rental

    Book a full pod in 4- or 8-hour blocks. Fresh snapshot every booking, with full admin access.

  • Enterprise lab subscription

    Reserved or dedicated pods for your team, custom topologies, SSO and usage reporting.

Courses that use this lab

  • SBCProfessional

    Cisco CUBE Professional: SIP Trunking & Interworking

    Master Cisco Unified Border Element: dial-peer design, SIP normalisation, security, transcoding, high availability and real carrier troubleshooting.

    Supports 350-801 CLCOR

    Video
    22 h
    Labs
    7
    Lab time
    28 h
    $349
  • SBCProfessional

    CUBE for Microsoft Teams Direct Routing

    Connect Microsoft Teams Phone to the PSTN and to CUCM using Cisco CUBE as a certified Direct Routing SBC. This is the course where the two platforms meet.

    Supports MS-721

    Video
    10 h
    Labs
    5
    Lab time
    14 h
    $249
  • CiscoProfessional

    Advanced Call Control On-Premises: CLACC 300-815 v2.0

    The on-premises CCNP Collaboration concentration: advanced CUCM dial plans, CUBE, mobility, call admission control and enterprise-scale call routing.

    300-815 CLACC v2.0

    Video
    30 h
    Labs
    5
    Lab time
    32 h
    $399

Start labbing today

Lab hours are included in every subscription, or buy a Lab Pass from $39.

See lab pricing