posts

2025

March

• Useful Resources for LLMs March 4

February

• Testing RTT Feature with iPhone February 22

January

• Reading Logs January 13

2024

November

• Real-Time Text (RTT) in IMS November 7

October

• IMS Training: Part Two October 25
• IMS Training: Part One October 13
• AWS ECS and Chime Voice Connector October 12
• Trust: A Hidden Treasure Among Teammates October 8

May

• IMS Network Announcements May 17

February

• CloudWatch Log Metric Filters February 16

January

• ECXCapture: AWS ECS/EC2 Easy Tcpdump Tool January 6

2023

September

• iPhone Live Voicemail September 20

August

• X2/X3 Lawful Interception Dissector August 24
• SIP PANI Header August 22
• RTP Decoder/Encoder August 19
• IMS Call Conferencing August 4

June

• SIPREC Server on AWS June 30
• VoLTE on IPhone June 4

May

• VoLTE in Pixel vs Samsung Phones May 3

April

• AWS NLB Is Transparent April 6

March

• SDP Bandwidth Attributes March 22
• SIP and UDP Fragmentation March 17
• IMS SMS and Wireshark March 4

February

• What Is IaSQL February 23
• IP Public on AWS ECS Fargate February 17
• AWS EC2 gai.conf February 4

January

• How Run SIPp on AWS EC2 January 31
• Book Review: Distributed Systems With Node.js January 24
• Remote SIM Provisioning (RSP) January 21
• OpenRAN on AWS January 21
• Docker Compose With Podman January 14

2022

December

• Book Review: The Kubernetes Book December 30
• Hep Protocol and Homer December 21

November

• SIPREC with RTPEngine November 25
• How Decrypt ESP Packets in Wireshark November 25
• RTPEngine Internal Insight November 22
• Why do you need an OTA for eSIM or IoT? November 18