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-rw-r--r--doc/overview.txt9
1 files changed, 6 insertions, 3 deletions
diff --git a/doc/overview.txt b/doc/overview.txt
index 2a30e0b7..244b4ff2 100644
--- a/doc/overview.txt
+++ b/doc/overview.txt
@@ -138,12 +138,15 @@ Current implemented features:
operation status. Information on the Sim Toolkit feature
list can be found in features.txt.
+ Supplementary Services
+
+ The Supplementary Services interface handles both recognized
+ supplementary service control string and user/network initiated
+ unstructured supplementary service data (USSD).
+
Work in progress features:
- USSD
- User initiated USSD support is available, but not
- network-initiated USSD support.
Not implemented features: