diff --git a/db/schema/smpp.xml b/db/schema/smpp.xml
index 9f5d9a46636..36180f57d48 100644
--- a/db/schema/smpp.xml
+++ b/db/schema/smpp.xml
@@ -72,6 +72,7 @@
system_type
string
13
+
Configures the System Type parameter of the
the SMPP server.
@@ -79,31 +80,36 @@
src_ton
unsigned int
+ 0
Specifies the Source TON (Type of Number).
src_npi
unsigned int
+ 0
Specifies the Source NPI (Numbering Plan Indicator).
dst_ton
unsigned int
+ 0
Specifies the Destination TON (Type of Number).
dst_npi
unsigned int
+ 0
Specifies the Destination NPI (Numbering Plan Indicator).
session_type
unsigned int
- Sepecifies the type of binding: 1 - transciever,
+ 1
+ Specifies the type of binding: 1 - transciever,
2 - transmitter, 3 - receiver, 4 - outbind.