* #39101: updated pjsip stack, many android build enhancements.
The main issue here is due to the build system of the stack compared to a pure Android
NDK project. Generating arm and x86 ABI at the same time does not seem to be possible.
diff --git a/jni/pjproject-android/doc/pjsip-book/network_problems.rst b/jni/pjproject-android/doc/pjsip-book/network_problems.rst
new file mode 100644
index 0000000..c16ef0b
--- /dev/null
+++ b/jni/pjproject-android/doc/pjsip-book/network_problems.rst
@@ -0,0 +1,11 @@
+
+
+Network Problems
+****************
+
+IP Address Change
+=================
+
+Blocked/Filtered Network
+========================
+