SIP & VoIP Fundamentals
Understand exactly how a voice call works on an IP network, from SIP signalling and SDP negotiation to RTP media, codecs and QoS.
Foundation for 350-801 CLCOR
- Video
- 14 h
- Labs
- 5
- Lab time
- 10 h
Training catalog
21 courses
Understand exactly how a voice call works on an IP network, from SIP signalling and SDP negotiation to RTP media, codecs and QoS.
Foundation for 350-801 CLCOR
The bridge from routing and switching to unified communications: UC architecture, Cisco and Microsoft platforms, and your first CUCM configuration.
Pre-CLCOR preparation
Complete preparation for the CCNP Collaboration core exam (v2.0, 2026), which is also the CCIE Collaboration qualifier. Covers on-premises and cloud calling with 40 hours of labs.
350-801 CLCOR 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
The cloud and hybrid CCNP Collaboration concentration: Expressway, Mobile and Remote Access, B2B, Webex Calling and hybrid services.
300-820 CLHCT v2.0
Practical Cisco Unified Communications Manager administration for the engineers who run it every day: provisioning, dial plans, features, upgrades and troubleshooting.
Supports 350-801 CLCOR
Deploy and manage Cisco Unity Connection voicemail and auto-attendants alongside IM & Presence for the Webex App, all integrated with CUCM.
Supports 350-801 CLCOR
A deep dive into the Cisco collaboration edge: Expressway-C/E design, certificates, Mobile and Remote Access, B2B calling and hybrid connectivity.
Supports 300-820 CLHCT
Plan, deploy and operate Webex Calling: Control Hub, locations, numbering, Local Gateway, cloud PSTN and coexistence with CUCM.
Supports 350-801 CLCOR (Cloud and Hybrid Services)
Master Cisco Unified Border Element: dial-peer design, SIP normalisation, security, transcoding, high availability and real carrier troubleshooting.
Supports 350-801 CLCOR
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
Prepare for MS-700 and the Microsoft 365 Certified: Teams Administrator Associate, covering governance, security, meetings, calling and troubleshooting.
MS-700
The Microsoft Teams voice engineer course: Teams Phone, Direct Routing, Operator Connect, devices, meetings and troubleshooting, mapped to MS-721.
MS-721
Specialist training in Teams PSTN connectivity: Direct Routing design, SBC pairing, media bypass, Local Media Optimisation, Location-Based Routing and Operator Connect.
Supports MS-721
Plan, deploy and manage Microsoft Teams Rooms on Windows and Android, Teams phones and peripherals with the Teams Rooms Pro Management portal.
Supports MS-721
Design and run voice estates where Cisco CUCM, Webex Calling and Microsoft Teams coexist: shared dial plans, SBC architecture, migration and operations.
Design capstone (Train Collab certificate of completion)
A structured 6-month programme for the 8-hour CCIE Collaboration practical exam: technology deep dives, 160 hours of rack time, full mock labs and 1:1 coaching.
CCIE Collaboration (practical exam)
Prepare for the new Cisco Collaboration Cloud Customer Experience specialist exam: Webex Contact Center provisioning, routing, flows and integrations.
300-830 CLCCE
A structured method for diagnosing failed calls, one-way audio, DTMF and registration problems from SIP traces, CUBE debugs and packet captures.
Supports 350-801 CLCOR
Design and operate carrier interconnects and enterprise-wide voice routing: multiple ITSPs, regional breakout, number portability, emergency calling and failover.
Supports 300-815 CLACC
Keep Teams Phone running: structured voice troubleshooting with call analytics and CQD, plus branch survivability using Survivable Branch Appliances.
Supports MS-721
Our certification roadmaps show the right sequence for your goal and experience.