---
Makefile.am | 2 +-
doc/text-telephony-api.txt | 39 +++++++++++++++++++++++++++++++++++++++
2 files changed, 40 insertions(+), 1 deletions(-)
create mode 100644 doc/text-telephony-api.txt
diff --git a/Makefile.am b/Makefile.am
index ee1313d..e231457 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -356,7 +356,7 @@ doc_files = doc/overview.txt doc/ofono-paper.txt \
doc/message-api.txt doc/message-waiting-api.txt \
doc/phonebook-api.txt doc/radio-settings-api.txt \
doc/sim-api.txt doc/stk-api.txt \
- doc/audio-settings-api.txt
+ doc/audio-settings-api.txt doc/text-telephony-api.txt
test_scripts = test/backtrace \
diff --git a/doc/text-telephony-api.txt b/doc/text-telephony-api.txt
new file mode 100644
index 0000000..e7c898f
--- /dev/null
+++ b/doc/text-telephony-api.txt
@@ -0,0 +1,39 @@
+Text Telephony hierarchy
+========================
+
+Service org.ofono
+Interface org.ofono.TextTelephony
+Object path [variable prefix]/{modem0,modem1,...}
+
+Methods dict GetProperties()
+
+ Returns all Text Telephony properties. See the
+ properties section for available properties.
+
+ Possible Errors: [service].Error.InProgress
+ [service].Error.Failed
+
+ void SetProperty(string name, variant value)
+
+ Changes the value of the specified property. Only
+ properties that are listed as read-write are
+ changeable. On success a PropertyChanged signal
+ will be emitted.
+
+ Possible Errors: [service].Error.InvalidArguments
+ [service].Error.InProgress
+ [service].Error.Failed
+
+Signals PropertyChanged(string property, variant value)
+
+ This signal indicates a changed value of the given
+ property.
+
+Properties boolean Powered [readwrite]
+
+ This property will enable or disable the text
+ telephony feature in the modem.
+
+ Text telephony (TTY), also known as TDD, is a feature
+ present in some modems that allow them to be used by
+ hearing impaired people.
--
1.7.3.2