[Asterisk-Users] Re: ISDN/SS7 book?

[Aldo Bergamini]

asterisk-users-request at lists.digium.com is believed to have said: 

>some time ago, I asked the list of a good book for learning ISDN and 
>SS7. I don't need to know how to write a channel driver or something; I 
>just want to know more about the possibilities and what's really sent 
>back and forth. I was told the book "ISDN and SS7: Architectures for 
>Digital Signaling Networks" by Uyless Black (ISBN 0132591936) was a 
>good choice, but this seems sold out. Does anyone know about another 
>book about the subject?
>
>thanks
>
>roy

Roy,

if you look up on Amazon you'll find it used.

HTH
Aldo