Transmit silence when reading DTMF in ast_readstring.

Otherwise, you could get issues with DTMF timeouts causing hangups.

(closes issue #17370)
Reported by: makoto
Patches: 
      channel-readstring-silence-generator.patch uploaded by makoto (license 38)


git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@285742 f38db490-d61c-443f-a65b-d21fe96a405b

2 files changed, 115 insertions, 5 deletions

diff --git a/configs/say.conf.sample b/configs/say.conf.sample
index 5971d756c..5a3cda01e 100644
--- a/configs/say.conf.sample
+++ b/configs/say.conf.sample
@@ -81,16 +81,23 @@
     ; the 'SAY' variable contains YYYYMMDDHHmm.ss-dow-doy
     ; these rule map the strftime attributes.
     _date:Y:. => num:${SAY:0:4}	; year, 19xx
-    _date:[Bb]:. => digits/mon-$[${SAY:4:2}-1]	; month name, 0..11
+    _date:[Bbh]:. => digits/mon-$[${SAY:4:2}-1]			; month name, 0..11
     _date:[Aa]:. => digits/day-${SAY:16:1}	; day of week
     _date:[de]:. => num:${SAY:6:2}		; day of month
-    _date:[hH]:. => num:${SAY:8:2}		; hour
+    _date:[H]:. => digits/oh, num:${SAY:8:2}			; hour (oh one, oh two, ..., oh nine, ten, eleven, ..., twenty-three)
     _date:[I]:. => num:$[${SAY:8:2} % 12]	; hour 0-12
     _date:[M]:. => num:${SAY:10:2}		; minute
     ; XXX too bad the '?' function does not remove the quotes
     ; _date:[pP]:. => digits/$[ ${SAY:10:2} > 12 ? "p-m" :: "a-m"]	; am pm
     _date:[pP]:. => digits/p-m	; am pm
     _date:[S]:. => num:${SAY:13:2}		; seconds
+    _date:[Ii]:. => num:$[${SAY:8:2} % 12]			; hour 0-12
+    _date:[k]:. => num:${SAY:8:2}				; hour (one, two. three, ...,twenty three
+    _date:[m]:. => num:${SAY:4:2}				; month number
+    _date:[Q]:. => date:dby ;incompleat				; "today", "yesterday" or ABdY
+    _date:[q]:. => date:dby ;incompleat				; "" (for today), "yesterday", weekday, or ABdY
+    _date:[R]:. => date:HM${SAY}				; 24 hour time, including minute
+    _date:[T]:. => date:HMS${SAY}				; 24 hour, minure, seconds
 
 [en-base](!)
     _[n]um:0. => num:${SAY:1}
@@ -101,16 +108,25 @@
     _[n]um:X00 => num:${SAY:0:1}, digits/hundred
     _[n]um:XXX => num:${SAY:0:1}, digits/hundred, num:${SAY:1}
 
+    _[n]um:X000 => num:${SAY:0:1}, digits/thousand
     _[n]um:XXXX => num:${SAY:0:1}, digits/thousand, num:${SAY:1}
+    _[n]um:XX000 => num:${SAY:0:2}, digits/thousand
     _[n]um:XXXXX => num:${SAY:0:2}, digits/thousand, num:${SAY:2}
+    _[n]um:XXX000 => num:${SAY:0:3}, digits/thousand
     _[n]um:XXXXXX => num:${SAY:0:3}, digits/thousand, num:${SAY:3}
 
+    _[n]um:X000000 => num:${SAY:0:1}, digits/million
     _[n]um:XXXXXXX => num:${SAY:0:1}, digits/million, num:${SAY:1}
+    _[n]um:XX000000 => num:${SAY:0:2}, digits/million
     _[n]um:XXXXXXXX => num:${SAY:0:2}, digits/million, num:${SAY:2}
+    _[n]um:XXX000000 => num:${SAY:0:3}, digits/million
     _[n]um:XXXXXXXXX => num:${SAY:0:3}, digits/million, num:${SAY:3}
 
+    _[n]um:X000000000 => num:${SAY:0:1}, digits/billion
     _[n]um:XXXXXXXXXX => num:${SAY:0:1}, digits/billion, num:${SAY:1}
+    _[n]um:XX000000000 => num:${SAY:0:2}, digits/billion
     _[n]um:XXXXXXXXXXX => num:${SAY:0:2}, digits/billion, num:${SAY:2}
+    _[n]um:XXX000000000 => num:${SAY:0:3}, digits/billion
     _[n]um:XXXXXXXXXXXX => num:${SAY:0:3}, digits/billion, num:${SAY:3}
 
     ; enumeration
@@ -118,7 +134,8 @@
     _e[n]um:1X => digits/h-${SAY}
     _e[n]um:[2-9]0 => digits/h-${SAY}
     _e[n]um:[2-9][1-9] => num:${SAY:0:1}0, digits/h-${SAY:1}
-    _e[n]um:[1-9]XX => num:${SAY:0:1}, digits/hundred, enum:${SAY:1}
+    _e[n]um:[1-9]00 => num:${SAY:0:1}, digits/h-hundred
+    _e[n]um:[1-9]XX => num:${SAY:0:1}, digits/h-hundred, enum:${SAY:1}
 
 [en_GB](date-base,digit-base,en-base)
     _[n]um:XXX => num:${SAY:0:1}, digits/hundred, vm-and, num:${SAY:1}
@@ -134,16 +151,31 @@
     _[n]um:[2-9]00 => num:${SAY:0:1}, digits/hundred
     _[n]um:[2-9]XX => num:${SAY:0:1}, digits/hundred, num:${SAY:1}
 
+    _[n]um:1000 => digits/thousand
     _[n]um:1XXX => digits/thousand, num:${SAY:1}
+    _[n]um:[2-9]000 => num:${SAY:0:1}, digits/thousands
     _[n]um:[2-9]XXX => num:${SAY:0:1}, digits/thousands, num:${SAY:1}
+    _[n]um:XX000 => num:${SAY:0:2}, digits/thousands
     _[n]um:XXXXX => num:${SAY:0:2}, digits/thousands, num:${SAY:2}
+    _[n]um:XXX000 => num:${SAY:0:3}, digits/thousands
     _[n]um:XXXXXX => num:${SAY:0:3}, digits/thousands, num:${SAY:3}
 
+    _[n]um:1000000 => num:${SAY:0:1}, digits/million
     _[n]um:1XXXXXX => num:${SAY:0:1}, digits/million, num:${SAY:1}
+    _[n]um:[2-9]000000 => num:${SAY:0:1}, digits/millions
     _[n]um:[2-9]XXXXXX => num:${SAY:0:1}, digits/millions, num:${SAY:1}
+    _[n]um:XX000000 => num:${SAY:0:2}, digits/millions
     _[n]um:XXXXXXXX => num:${SAY:0:2}, digits/millions, num:${SAY:2}
+    _[n]um:XXX000000 => num:${SAY:0:3}, digits/millions
     _[n]um:XXXXXXXXX => num:${SAY:0:3}, digits/millions, num:${SAY:3}
 
+    _[n]um:X000000000 => num:${SAY:0:1}, digits/billion
+    _[n]um:XXXXXXXXXX => num:${SAY:0:1}, digits/billion, num:${SAY:1}
+    _[n]um:XX000000000 => num:${SAY:0:2}, digits/billion
+    _[n]um:XXXXXXXXXXX => num:${SAY:0:2}, digits/billion, num:${SAY:2}
+    _[n]um:XXX000000000 => num:${SAY:0:3}, digits/billion
+    _[n]um:XXXXXXXXXXXX => num:${SAY:0:3}, digits/billion, num:${SAY:3}
+
     _datetime::. => date:AdBY 'digits/at' IMp:${SAY}
     _date::. => date:AdBY:${SAY}
     _time::. => date:IMp:${SAY}
@@ -163,14 +195,23 @@
     _[n]um:1XX => digits/ein, digits/hundred, num:${SAY:1}
     _[n]um:[2-9]00 => digits/${SAY:0:1}, digits/hundred
     _[n]um:[2-9]XX => digits/${SAY:0:1}, digits/hundred, num:${SAY:1}
+
+    _[n]um:1000 => digits/ein, digits/thousand
     _[n]um:1XXX => digits/ein, digits/thousand, num:${SAY:1}
+    _[n]um:[2-9]000 => digits/${SAY:0:1}, digits/thousand
     _[n]um:[2-9]XXX => digits/${SAY:0:1}, digits/thousand, num:${SAY:1}
+    _[n]um:XX000 => num:${SAY:0:2}, digits/thousand
     _[n]um:XXXXX => num:${SAY:0:2}, digits/thousand, num:${SAY:2}
-    _[n]um:X00XXX => digits/${SAY:0:1}, digits/hundred, digits/thousand, num:${SAY:3}
-    _[n]um:XXXXXX => digits/${SAY:0:1}, digits/hundred, num:${SAY:1}
+    _[n]um:XXX000 => num:${SAY:0:3}, digits/thousand
+    _[n]um:XXXXXX => num:${SAY:0:3}, digits/thousand, num:${SAY:1}
+
+    _[n]um:1000000 => digits/eine, digits/million
     _[n]um:1XXXXXX => digits/eine, digits/million, num:${SAY:1}
+    _[n]um:[2-9]000000 => digits/${SAY:0:1}, digits/millions
     _[n]um:[2-9]XXXXXX => digits/${SAY:0:1}, digits/millions, num:${SAY:1}
+    _[n]um:XX000000 => num:${SAY:0:2}, digits/millions
     _[n]um:XXXXXXXX => num:${SAY:0:2}, digits/millions, num:${SAY:2}
+    _[n]um:XXX000000 => num:${SAY:0:3}, digits/millions
     _[n]um:XXXXXXXXX => num:${SAY:0:3}, digits/millions, num:${SAY:3}
 
     _datetime::. => date:AdBY 'digits/at' IMp:${SAY}
@@ -192,14 +233,22 @@
     _[n]um:[2-9]00 => num:${SAY:0:1}, digits/hundred
     _[n]um:[2-9]XX => num:${SAY:0:1}, digits/hundred, num:${SAY:1}
     
+    _[n]um:1000 => digits/thousand
     _[n]um:1XXX => digits/thousand, num:${SAY:1}
+    _[n]um:[2-9]000 => num:${SAY:0:1}, digits/thousand
     _[n]um:[2-9]XXX => num:${SAY:0:1}, digits/thousand, num:${SAY:1}
+    _[n]um:XX000 => num:${SAY:0:2}, digits/thousand
     _[n]um:XXXXX => num:${SAY:0:2}, digits/thousand, num:${SAY:2}
+    _[n]um:XXX000 => num:${SAY:0:3}, digits/thousand
     _[n]um:XXXXXX => num:${SAY:0:3}, digits/thousand, num:${SAY:3}
     
+    _[n]um:1000000 => num:${SAY:0:1}, digits/million
     _[n]um:1XXXXXX => num:${SAY:0:1}, digits/million, num:${SAY:1}
+    _[n]um:[2-9]000000 => num:${SAY:0:1}, digits/million
     _[n]um:[2-9]XXXXXX => num:${SAY:0:1}, digits/million, num:${SAY:1}
+    _[n]um:XX000000 => num:${SAY:0:2}, digits/million
     _[n]um:XXXXXXXX => num:${SAY:0:2}, digits/million, num:${SAY:2}
+    _[n]um:XXX000000 => num:${SAY:0:3}, digits/million
     _[n]um:XXXXXXXXX => num:${SAY:0:3}, digits/million, num:${SAY:3}
     
     _datetime::. => date:AdBY 'digits/at' H 'hours' M 'perc':${SAY}  
@@ -209,3 +258,51 @@
     _pho[n]e:XXXX => num:${SAY:0:2}, num:${SAY:2:2}
     _pho[n]e:0[1-9]XXXXXXXX => num:${SAY:0:1}, num:${SAY:1:1}, num:${SAY:2:2}, num:${SAY:4:2}, num:${SAY:6:2}, num:${SAY:8:2}
     _pho[n]e:. => digit:${SAY}
+
+[da](date-base,digit-base)
+    _[n]um:0. => num:${SAY:1}
+    _[n]um:X => digits/${SAY}
+    _[n]um:1X => digits/${SAY}
+    _[n]um:[2-9]0 => digits/${SAY}
+    _[n]um:[2-9][1-9] => digits/${SAY:1}-and, digits/${SAY:0:1}0
+    _[n]um:100 => digits/1N, digits/hundred
+    _[n]um:1XX => digits/1N, digits/hundred, num:${SAY:1}
+    _[n]um:[2-9]00 => digits/${SAY:0:1}, digits/hundred
+    _[n]um:[2-9]XX => digits/${SAY:0:1}, digits/hundred, num:${SAY:1}
+
+    _[n]um:1000 => digits/1N, digits/thousand
+    _[n]um:1XXX => digits/1N, digits/thousand, num:${SAY:1}
+    _[n]um:[2-9]000 => digits/${SAY:0:1}, digits/thousand
+    _[n]um:[2-9]XXX => digits/${SAY:0:1}, digits/thousand, num:${SAY:1}
+    _[n]um:XX000 => num:${SAY:0:2}, digits/thousand
+    _[n]um:XXXXX => num:${SAY:0:2}, digits/thousand, num:${SAY:2}
+    _[n]um:XXX000 => num:${SAY:0:3}, digits/thousand
+    _[n]um:XXXXXX => num:${SAY:0:3}, digits/thousand, num:${SAY:3}
+
+    _[n]um:X000000 => digits/${SAY:0:1}, digits/million
+    _[n]um:XXXXXXX => digits/${SAY:0:1}, digits/million, num:${SAY:1}
+    _[n]um:XX000000 => num:${SAY:0:2}, digits/millions
+    _[n]um:XXXXXXXX => num:${SAY:0:2}, digits/millions, num:${SAY:2}
+    _[n]um:XXX000000 => num:${SAY:0:3}, digits/millions
+    _[n]um:XXXXXXXXX => num:${SAY:0:3}, digits/millions, num:${SAY:3}
+
+    _[n]um:X000000000 => num:${SAY:0:1}, digits/billion
+    _[n]um:XXXXXXXXXX => num:${SAY:0:1}, digits/billion, num:${SAY:1}
+    _[n]um:XX000000000 => num:${SAY:0:2}, digits/billion
+    _[n]um:XXXXXXXXXXX => num:${SAY:0:2}, digits/billion, num:${SAY:2}
+    _[n]um:XXX000000000 => num:${SAY:0:3}, digits/billion
+    _[n]um:XXXXXXXXXXXX => num:${SAY:0:3}, digits/billion, num:${SAY:3}
+
+    _datetime::. => date:AdBY 'digits/at' kM:${SAY}
+    _date::. => date:AdBY:${SAY}
+    _time::. => date:HM:${SAY}
+
+    ; enumeration
+    _e[n]um:X => digits/h-${SAY}
+    _e[n]um:1X => digits/h-${SAY}
+    _e[n]um:[2-9]0 => digits/h-${SAY}
+    _e[n]um:[2-9][1-9] => digits/${SAY:1}-and, digits/h-${SAY:0:1}0
+    _e[n]um:100 => digits/1N, digits/h-hundred
+    _e[n]um:1XX => digits/1N, digits/h-hundred, enum:${SAY:1}
+    _e[n]um:[2-9]00 => num:${SAY:0:1}, digits/h-hundred
+    _e[n]um:[2-9]XX => num:${SAY:0:1}, digits/h-hundred, enum:${SAY:1}
diff --git a/configs/sip.conf.sample b/configs/sip.conf.sample
index 9a420f768..deb40781e 100644
--- a/configs/sip.conf.sample
+++ b/configs/sip.conf.sample
@@ -91,6 +91,19 @@ srvlookup=yes                   ; Enable DNS SRV lookups on outbound calls
 ;vmexten=voicemail              ; dialplan extension to reach mailbox sets the 
                                 ; Message-Account in the MWI notify message 
                                 ; defaults to "asterisk"
+
+; Codec negotiation
+;
+; When Asterisk is receiving a call, the codec will initially be set to the
+; first codec in the allowed codecs defined for the user receiving the call
+; that the caller also indicates that it supports. But, after the caller
+; starts sending RTP, Asterisk will switch to using whatever codec the caller
+; is sending.
+;
+; When Asterisk is placing a call, the codec used will be the first codec in
+; the allowed codecs that the callee indicates that it supports. Asterisk will
+; *not* switch to whatever codec the callee is sending.
+;
 ;disallow=all                   ; First disallow all codecs
 ;allow=ulaw                     ; Allow codecs in order of preference
 ;allow=ilbc                     ; see doc/rtp-packetization for framing options