SS7 Telephony Security

3 Day Course
Code PWL075

This course has been retired. Please view currently available Signalling Training Courses.


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SS7 Basic Network Components (6 topics)

  • Description of the three basic nodes in an SS7 network
  • Capabilities of the Service Switching Point (SSP)
  • Capabilities of the Service Service Control Point (SCP)
  • Capabilities of the Signalling Transfer Point (STP)
  • Their position in the SS7 Network
  • Different SS7 Network Deployments

SS7 Protocol Stack (4 topics)

  • Level 1 Physical Level
  • Level 2 Data Link Level
  • Level 3 Network Level
  • Level 4 The User Part

The Message Format (4 topics)

  • Explanation of the three message types
  • The FISU
  • The LSSU
  • The MSU

Message Flows (3 topics)

  • Example message flows for standard call set up procedures
  • Example message flows for mobile call set up procedures
  • SMS messaging examples

SS7 and SIGTRAN (6 topics)

  • The User Adaptation solution
  • M3UA
  • M2UA
  • SUA
  • Explaining SCTP Transport
  • Peer to Peer Signalling

Links and Alerts (3 topics)

  • SS7 Link Types
  • Alerts and Threats to links
  • Link types and connection to nodes

SS7 Vunerability (5 topics)

  • SMS Fraud
  • SMSC abuses
  • Fraud Management Systems
  • Lawful Intercept
  • Limitations of CDR Fraud Detection

What Our Customers Say

The training was delivered with a high level of expertise and excellence. Instructor was highly knowledgeable.”

Technical Trainer, Aviat Networks

Overall the course was really good, the trainer really understood the material and was very approachable.”

Customer Training Manager, Aviat Networks

Excellent course, informative and well-paced.”

CSE, Cisco

Course was very well outlined. Topics were great and bridged many gaps.”

System Engineer, Cable & Wireless

An excellent intro to video encoding & MPEG transport streams - I would definitely recommend it.”

Broadcast Engineer, Cisco

Definitely an excellent intro. Left me interested in learning more.”

Broadcast Engineer, Eircom

Excellent training course with real examples and practical classroom demonstrations.”

Transport Designer, Orange

Instructor knowledge and experience was excellent.”

Solutions Engineer, Akamai

Excellent course, very clear and well organised. Course content delivery was very good.”

Assistant Engineer, Dhiraagu

Very informative and appropriate.”

Network Support Technician, BT

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