Test test

testestestse

Video Call procedure in WCDMA

Oh my god!. 1AM need sleep now, tomorrow have so many works.

3G IP based call detail

This post I just used the picture from document, then I copy each explained message to the picture for easy to read. That I got from document only not from my self explanation. The picture is quite big, so to open it just double click to the picture.

BICC quick mode set up a call-Continue

BICC quick mode set up a call

Now we start with the Set up BICC Quick mode. I will explain detail lately. Now just a picture for you to understand what the main things when 2 MSC using BICC to setup a call.

WCDMA simple model

This picture show the detail interfaces between each entities of WCDMA network. I will show the detail protocol, message that communication in each interfaces later.

Location update in GSM/WCDMA

Telecoms basis model

This is basis networking for R4 WCDMA system. The different with R99 is MSC now seperate to 2 entities: MSC Server and MGW. MSC Server is using for Signaling processing, Signaling routing, CDR and control the MGW. MGW is using to serve Traffic called Media processing.