CellStream, Inc.

CellStream, Inc. Internetworking, Technology Consulting, and Telecommunications Hands On Training Classes We want to change the network.

We want to accelerate voice and video convergence over the Internet. We want to see creativity increased in telecommunications and networking. We want to see solutions without needless restrictions. We believe that anyone can master these technologies. We believe that anyone can innovate in this industry. Those are our beliefs and our motivations.

Focused Commands We All Need to Use https://www.cellstream.com/2022/04/22/linux-sec-commands/
06/03/2026

Focused Commands We All Need to Use https://www.cellstream.com/2022/04/22/linux-sec-commands/

Too many people shrug off Linux for fears of security with a free and open source operating system, even today.  For those of us who know that Linux is no less or more secure than any other operating system, we must be sensitive to this and we must be well versed in Linux commands that […]

Leveraging packet comments is especially helpful when troubleshooting, and with remembering what you noted as you anal...
06/03/2026

Leveraging packet comments is especially helpful when troubleshooting, and with remembering what you noted as you analyzed the packet capture:

Wireshark Packet Comments by CellStream Inc. on Patreon. Join CellStream Inc.'s community for exclusive content and updates.

Follow me as I demonstrate how to use name resolution to help you in identifying senders and receivers in your packet ...
06/03/2026

Follow me as I demonstrate how to use name resolution to help you in identifying senders and receivers in your packet capture:

Customizing Wireshark Name Resolution by CellStream Inc. on Patreon. Join CellStream Inc.'s community for exclusive content and updates.

Creating custom profiles for will change how you use the program so drastically, you will be amazed: https://www.patre...
06/02/2026

Creating custom profiles for will change how you use the program so drastically, you will be amazed: https://www.patreon.com/posts/power-of-159387582

The Power of Wireshark Profiles by CellStream Inc. on Patreon. Join CellStream Inc.'s community for exclusive content and updates.

A clever technique to redact certain information from packet captures when presenting or teaching: https://www.patreon...
06/02/2026

A clever technique to redact certain information from packet captures when presenting or teaching: https://www.patreon.com/posts/wireshark-packet-159404994

Wireshark Packet Redaction by CellStream Inc. on Patreon. Join CellStream Inc.'s community for exclusive content and updates.

See how to cleverly use temporary coloring in to make conversations stand out: https://www.patreon.com/posts/using-tem...
06/01/2026

See how to cleverly use temporary coloring in to make conversations stand out: https://www.patreon.com/posts/using-temporary-159405563

Using Temporary Colors to see Conversations in Wireshark by CellStream Inc. on Patreon. Join CellStream Inc.'s community for exclusive content and updates.

- you will need and - here you go:
05/29/2026

- you will need and - here you go:

Some VoIP Troubleshooting Checklists

Need a solid and good tool that is cross platform? Here is a good one:
05/29/2026

Need a solid and good tool that is cross platform? Here is a good one:

VoIP Troubleshooting with PJSIP

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9812 Zembriski Drive
Plano, TX
75025

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