Adding AstriDevCon 2025 November page

docs/Development/Roadmap/AstriDevCon-2025-November.md

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+# AstriDevCon 2025 November
+
+Sangoma invites developers who are interested in the future of Asterisk to join us at AstriDevCon.
+
+**Date:** November 19, 2025
+
+### Event day schedule
+
+AstriDevCon is a mix of open and focused discussion all on topics within the realm of Asterisk development, primarily regarding current concerns that Asterisk faces and how to improve Asterisk for the future.
+
+**Event started at 10:00 AM Eastern.**
+
+**Event ended at 11:30 AM Eastern.**
+
+#### Kickoff with J.Colp
+- Talk and discussion about Josh's new Taskpool project.
+    - PJSIP implementation has been complicated.
+    - Pull Request will be up for review soon.
+    - No testers for the newest release candidates, but Ben Kolendry has tried the current version.
+    - `core show taskprocessors` - no stasis endpoint entries currently.
+
+#### Performance Profiling with G.Joseph
+- Profiling project of Asterisk to see where performance is impacted and what can be improved.
+- Variable substitution causes a high impact (this was also seen during the taskpool project.)
+- `strcmp` is the biggest culprit for instruction use
+- In almost every test, the biggest CPU users were not call processing, but logs, CDRs, CELs, Manager Reports, etc.
+- Restults to be published along with the repo with the test scripts used to generate the reports.
+- Startup and Shutdown are NOT included in the results.
+- Screening was performed into pjproject as well.
+- ast_Str_substitute_variables and another (basically the same) function are the biggest hitters.
+- String comparisongs are a focus point.
+- Tested `extensions.conf` vs `extensions.lua`
+
+#### ARI and chan_websocket, outbound sockets for ARI apps
+- Sven Kube has tried it.  It worked fine initially, but there were some correlation issues and concerns.
+- Outgoing connections, attempts on retry were discussed
+    - Failover, load distribution.
+    - Connections could move to a different application server.
+
+#### Astricon Discussion
+- Astricon 2026 will be in Pasadena, California, part of SCALE.
+- Fees are $80 for SCALE with an additional $50 for Astricon.
+    - Down significantly from the last few years.
+- Submissions are still open!
+- Current discussions include performance, FreePBX, AI and more!
+
+#### Channel Storage locking
+- Mixmonitor's iterator for a channel could cause the channel to go away while iterating.
+- Issue should be resolved.
+
+#### Discussion on the potential to add more C++
+- Scope is the main concern
+#### No Geolocation users currently (at least present for this session)
+#### STIR/SHAKEN
+- Similar situation as Geolocation.
+- Little to no enthusiasm general about STIR/SHAKEN as a whole.
+---
+#### Recording Available at [downloads.asterisk.org](https://downloads.asterisk.org/astridevcon/2025/)
+
+---
+