What books to read on SIP?

Question

SIP

Friends, advise the technical literature, the theory in relation to transmission of faxes and dtfm is necessary.
It would be great if someone can provide a dump in pcap format - how a fax is sent to sip, either through t.38, or in voice using the g711 codec.

Answer 1

Personally, I would read the RFC. At one time I dealt with this issue - I did not find anything better.

Answer 2

thank.

Answer 3

According to the books, “SIP protocol is not bad. Handbook" B. S. Goldstein, A. A. Zarubin, V. V. Samorezov

Answer 4

wiki.wireshark.org/SampleCaptures?action=AttachFile&do=view&target=FAX-Call-t38-CA-TDM-SIP-FB-1.pcap
This is from here
wiki.wireshark.org/SampleCaptures
wiki.wireshark.org/T.38
There is a nested pcap
here www.wireshark.org/lists/wireshark-users/200810/msg00155.html
issues.asterisk.org/jira/browse/ASTERISK-13879
In general, a query in google t38 pcap will give you many options for examples
And here is more examples
google: filetype:pcap t.38

Answer 5

By T.38
www.itu.int/rec/dologin_pub.asp?lang=f&id=T-REC-T.38-200404-S !!PDF-R&type=items