Wireshark SIP Trunk Analysis Technical Training

One Day Wireshark Training Course

Wireshark SIP Training Agenda

  1. Network considerations
  2. Filters
  3. SIP protocols
  4. Media player
  5. SIP Responses and Errors
  6. Media Relay and ALGs

Wireshark SIP Trunk Analysis Course Objectives

On completion of the Wireshark Analysis course, the delegate will be able to:

  • Identify network topology issues including bottlenecks, packet loss, delays and jitter
  • Make recommendations on where to use packet or frame prioritisation
  • Create .pcap files that are manageable and succinct
  • Make corrections in programming

Wireshark SIP Trunk Analysis Course Scenarios

Scenarios covered include:

1) Topology analysis and where to connect at layer 1

2) Changing colours in the packet list pane to identify meaningful traffic quickly

3) Detection of layer 2 broadcasts (including ARP)

4) Capture filter and/or multiple capture filters

5) Common display filters

6) SIP trunk outbound call analysis (using both IP address resolution and user name/password)

7) SIP trunk inbound call analysis

8) Multiple simultaneous call analysis

9) Detecting and resolving common SIP error codes, 403, 404, 480, 503

10) Resolving issues using Call Flow

11) Detecting jitter, packet rate and out of order layer 3 IP packet sequencing

12) RTP playback

13) Saving meaningful and condensed traces to forward on for escalation

14) How a MRS can be used to overcome firewall issues

15) How ALGs can be used to manipulate SDP signalling to overcome SIP trunk provider issues

Hardware Required

Laptop (with USB capabilities and Ethernet card), with Wireshark loaded and tested.

Wireshark SIP Training Courses

NORTH – Manchester

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SOUTH – Horsham

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MIDLANDS – Solihull

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