NetX: 6 Months Access

6 months of access to NetX, which features:

▪     Interactive Map – node descriptions, reference points, protocol stacks, protocol descriptions (including links to specifications), technology filtering, search facility.

▪     Call Flows – 24 narrated videos, on map call flows (GSM to UMTS, VoLTE to VoLTE, VoLTE to GSM, etc) describing the nodes involved, the signalling path across the map and the resultant voice path.

▪     Network Procedures – key signalling flows for 2G, 3G, 4G, IMS, VoLTE and Wi-Fi, including message decodes to give you the maximum level of detail, as well as video narratives.


  • Network Procedures
  • IMSI Attach
  • GPRS Attach
  • Mobile Originated Call
  • Mobile Terminated Call
  • PDP Context Activation
  • Suspend and Resume
  • Mobile Originated SMS
  • Mobile Terminated SMS
  • Location Update
  • Callflows
  • IMSI Attach
  • GPRS Attach
  • GSM to GSM Call
  • GSM to UMTS Call
  • GSM to VoLTE Call
  • GSM to Wi-Fi Call
  • GSM to PSTN Call
  • PSTN to GSM Call
  • PDP Context Activation
  • Network Procedures
  • Circuit Switched Attach
  • Packet Switched Attach
  • Mobile Originated Call
  • Mobile Terminated Call
  • PDP Context Activation
  • Mobile Originated SMS
  • Mobile Terminated SMS
  • IMSI Attach - Authentication Information Procedure
  • Callflows
  • IMSI Attach
  • GPRS Attach
  • UMTS to GSM Call
  • UMTS to UMTS Call
  • UMTS to VoLTE Call
  • UMTS to Wi-Fi Call
  • UMTS to PSTN Call
  • PSTN to UMTS Call
  • PDP Context Activation
  • Network Procedures
  • Attach and Default EPS Bearer Establishment
  • Combined Attach and Default EPS Bearer Establishment
  • Dedicated EPS Bearer Establishment
  • Uplink Data Transfer - Service Request
  • Downlink Data Transfer - Notification and Paging
  • Tracking Area Update - 3G to LTE
  • X2 Handover
  • S1 Handover
  • CSFB - Mobile Originated Call
  • CSFB - Mobile Terminated Call
  • CSFB - Mobile Originated SMS
  • CSFB - Mobile Terminated SMS
  • System Information
  • S1 Release
  • Tracking Area Update - Combined
  • CSFB UMTS MO Call
  • PDN Disconnect
  • Combined Detach
  • X2 Setup
  • S1 Setup
  • EPS Attach (Internet) and PDN Connectivity (IMS)
  • Callflows
  • Network Registration
  • VoLTE to GSM Call
  • VoLTE to UMTS Call
  • VoLTE to VoLTE Call
  • VoLTE to Wi-Fi Call
  • VoLTE to PSTN Call
  • PSTN to VoLTE Call
  • PDN Connectivity Establishment
  • Network Initiated Dedicated Bearer Establishment
  • Network Procedures
  • Subscriber Registration
  • Session Establishment
  • Rx - Authorization Authentication Request and Answer (Voice and Video Call)
  • Gx - Credit Control Request and Answer (LTE Initial Attach)
  • Rx - Abort Session
  • VoLTE UE Initiated Detach
  • VoLTE to VoLTE Originated Voice Call Establishment
  • VoLTE to VoLTE Terminated Voice Call Establishment
  • VoLTE Voice Call Clearing
  • VoLTE to VoLTE Adding Video Media Stream
  • ViLTE Call
  • VoLTE Call (S1-U Capture)
  • AF Session Establishment (VoLTE)
  • IMS Registration (VoLTE)
  • VoLTE to CS Call
  • SRVCC Handover (4G to 3G)
  • VoLTE to CSFB (3G)
  • VoLTE Call Failure - Reason Header
  • VoLTE to PSTN Call
  • PSTN to VoLTE Call
  • Callflows
  • IMS Registration
Buy Now Enquire Now Download PDF
Duration 6 Months
Price £50.00

Working together with