Abdullah’s Blog

As I was playing around different technologies based on IP and going though implementing a PBX at home, I reached to a new term called IMS ( IP Multimedia Subsystem).
Telecoms world got IMS fever. Major companies started implementing IMS in their infrastructures getting ready for better and newer competition.
Why there is IMS while there was something called Soft switch and different VoIP implementations ? and what is the benefit of having IMS?. That’s what I’m going to talk about in the next coming posts.

I think this figure will illustrate what is IMS

It’s nice to have a free software supporting your to use visualization on Windows.
Microsoft as usual does everything related to them but are careless for any different OSs.

Installing Ubuntu on Microsoft Virtual PC is easy but tricky…
First blog talking about it
Second Blog explaining how to

Basically , you will need to hit F4 and choose Safe Graphics mode then hit F6 and add to the end of the line and before “–” noapic nolapic vga=791

and finish the installation,
later after you reboot for the first time… you will need to hit “ESC” and press e on the first option in grub
and in the second line and press e again…
now it gives you a line for instructions, just add the same vga=791 to the end of the line , and then hit enter
finally press b to boot…
That’s all.