Matthew Jordan e365562f91 Perform case insensitive comparisons for T.38 attributes ...

RFC5347 section 2.5.2 states the following:
...
The attribute "T38MaxBitRate" was once incorrectly registered with
IANA as "T38maxBitRate" (lower-case "m"). In accordance with T.38
examples and common implementation practice, the form "T38MaxBitRate"
SHOULD be generated by implementations conforming to this package.
In general, it is RECOMMENDED that implementations of this package
accept lowercase, uppercase, and mixed upper/lowercase encodings of
all the T.38 attributes.
...

Asterisk currently does not perform case insensitive matching on the T.38
attributes. This causes the T38MaxBitRate attribute to be negotiated at
2400 baud instead of 14400 (or whatever value you actually wanted).

This patch makes it so that when we compare T.38 attributes, we do so in a case
insensitive fashion.

Note that while the issue reporter did not directly write the patch, they
contributed to it (and would have provided one themselves if the license had
gone through a tad faster), and hence get attribution for it.

(closes issue ASTERISK-20897)
Reported by: Eric Hill
Tested by: Eric Hill
patches:
  -- uploaded by Eric Hill



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@380458 65c4cc65-6c06-0410-ace0-fbb531ad65f3

2013-01-30 14:19:14 +00:00

..

h323

Comment out a rule that likes to run implicitly unnecessarily, breaking builds

2010-06-03 14:48:09 +00:00

misdn

chan_misdn: Fix sending RELEASE_COMPLETE in response to SETUP.

2012-11-30 21:30:48 +00:00

sip

Corrected crypto tag in SDP ANSWER for SRTP. (again)

2013-01-29 17:05:18 +00:00

chan_agent.c

chan_agent: Prevent multiple channels from logging in as the same agent.

2013-01-29 17:22:22 +00:00

chan_alsa.c

Clean up and ensure proper usage of alloca()

2012-07-31 19:31:42 +00:00

chan_bridge.c

Introduce <support_level> tags in MODULEINFO.

2011-07-14 20:13:06 +00:00

chan_console.c

Updated SIP 484 handling; added Incomplete control frame

2011-09-09 16:09:09 +00:00

chan_dahdi.c

Prevent exhaustion of system resources through exploitation of event cache

2013-01-02 16:54:20 +00:00

chan_gtalk.c

Clean up and ensure proper usage of alloca()

2012-07-31 19:31:42 +00:00

chan_h323.c

Correct some 'set-but-not-used' variable warnings.

2012-01-14 15:23:32 +00:00

chan_iax2.c

Correct the number of available call numbers in IAX2.

2013-01-28 21:06:01 +00:00

chan_jingle.c

Clean up and ensure proper usage of alloca()

2012-07-31 19:31:42 +00:00

chan_local.c

Prevent exhaustion of system resources through exploitation of event cache

2013-01-02 16:54:20 +00:00

chan_mgcp.c

Add missing newlines to CLI logging

2012-04-06 18:09:19 +00:00

chan_misdn.c

chan_misdn: Fix compile error.

2013-01-16 17:40:37 +00:00

chan_multicast_rtp.c

Introduce <support_level> tags in MODULEINFO.

2011-07-14 20:13:06 +00:00

chan_nbs.c

Introduce <support_level> tags in MODULEINFO.

2011-07-14 20:13:06 +00:00

chan_oss.c

Fix misuses of asprintf throughout the code.

2012-08-21 20:35:12 +00:00

chan_phone.c

Introduce <support_level> tags in MODULEINFO.

2011-07-14 20:13:06 +00:00

chan_phone.h

rename DialTone.h to chan_phone.h because chan_phone.c is the only file using it

2008-05-28 20:00:21 +00:00

chan_sip.c

Perform case insensitive comparisons for T.38 attributes

2013-01-30 14:19:14 +00:00

chan_skinny.c

Prevent exhaustion of system resources through exploitation of event cache

2013-01-02 16:54:20 +00:00

chan_unistim.c

Fix codec mismatch

2012-12-10 06:40:18 +00:00

chan_vpb.cc

chan_vpb: remove unused variables (gcc4.6)

2011-08-28 09:49:55 +00:00

console_board.c

Add support-level indications to many more source files.

2012-06-15 15:56:08 +00:00

console_gui.c

Add support-level indications to many more source files.

2012-06-15 15:56:08 +00:00

console_video.c

Add support-level indications to many more source files.

2012-06-15 15:56:08 +00:00

console_video.h

implement the 'freeze' function for incoming frames;

2008-06-30 15:45:15 +00:00

iax2-parser.c

Add support-level indications to many more source files.

2012-06-15 15:56:08 +00:00

iax2-parser.h

Remove built-in AES code and use optional_api instead

2010-07-21 19:11:32 +00:00

iax2-provision.c

iax2-provision: Fix improper return on failed cache retrieval

2012-09-21 19:00:48 +00:00

iax2-provision.h

Don't reload a configuration file if nothing has changed.

2007-08-16 21:09:46 +00:00

iax2.h

Correct the number of available call numbers in IAX2.

2013-01-28 21:06:01 +00:00

Makefile

Extract sig_ss7 out of chan_dahdi.

2010-06-07 20:04:42 +00:00

misdn_config.c

Add support-level indications to many more source files.

2012-06-15 15:56:08 +00:00

sig_analog.c

Fix misuses of timeouts throughout the code.

2012-11-07 17:01:13 +00:00

sig_analog.h

Fix the analog dial *0 flash-hook of bridged peer feature.

2012-08-08 19:58:52 +00:00

sig_pri.c

Fix misuses of timeouts throughout the code.

2012-11-07 17:01:13 +00:00

sig_pri.h

Clear ISDN channel resetting state if the peer continues to use it.

2012-04-25 19:45:34 +00:00

sig_ss7.c

chan_dahdi/SS7: Made reject incoming call for an in-alarm or blocked channel.

2012-11-08 21:05:40 +00:00

sig_ss7.h

Setup DSP when SS7 call is connected or early media is available.

2012-03-05 21:33:26 +00:00

vcodecs.c

Add support-level indications to many more source files.

2012-06-15 15:56:08 +00:00

vgrabbers.c

Add support-level indications to many more source files.

2012-06-15 15:56:08 +00:00