4,386 views
3 days ago
29,518 views
6 months ago
116,928 views
3 years ago
551,950 views
Show more
4,267 views
169
0
TechsavvyProductions
65.3K subscribers
Tags
OSI Layer 5
RPC
Winsock
Windows 10
networking
SMPP
SCP
ZIP
H.245
service data unit
19 Comments