[Asterisk-Users] Why can't sip/200 call sip/202

Angus Comber angus at iteloffice.com
Sun Jul 24 13:50:30 MST 2005


I think the 777 may be a bit of a Red Herring.  I dialed 777 as a test.  I 
can't dial 202 from 200 if I actually dial 202!

My extensions.conf file:


;
; Static extension configuration file, used by
; the pbx_config module. This is where you configure all your
; inbound and outbound calls in Asterisk.
;
; This configuration file is reloaded
; - With the "extensions reload" command in the CLI
; - With the "reload" command (that reloads everything) in the CLI

;
; The "General" category is for certain variables.
;
[general]
;
; If static is set to no, or omitted, then the pbx_config will rewrite
; this file when extensions are modified.  Remember that all comments
; made in the file will be lost when that happens.
;
; XXX Not yet implemented XXX
;
static=yes
;
; if static=yes and writeprotect=no, you can save dialplan by
; CLI command 'save dialplan' too
;
writeprotect=no

; You can include other config files, use the #include command (without the 
';')
; Note that this is different from the "include" command that includes 
contexts within
; other contexts. The #include command works in all asterisk configuration 
files.
;#include "filename.conf"

; The "Globals" category contains global variables that can be referenced
; in the dialplan with ${VARIABLE} or ${ENV(VARIABLE)} for Environmental 
variable
; ${${VARIABLE}} or ${text${VARIABLE}} or any hybrid
;
[globals]
CONSOLE=Console/dsp    ; Console interface for demo
;CONSOLE=Zap/1
;CONSOLE=Phone/phone0
IAXINFO=guest     ; IAXtel username/password
;IAXINFO=myuser:mypass
TRUNK=Zap/g2     ; Trunk interface
;
; Note the 'g2' in the TRUNK variable above. It specifies which group 
(defined
; in zapata.conf) to dial, i.e. group 2, and how to choose a channel to use 
in
; the specified group. The four possible options are:
;
; g: select the lowest-numbered non-busy Zap channel (aka. ascending 
sequential hunt group).
; G: select the highest-numbered non-busy Zap channel (aka. descending 
sequential hunt group).
; r: use a round-robin search, starting at the next highest channel than 
last time (aka. ascending rotary hunt group).
; R: use a round-robin search, starting at the next lowest channel than last 
time (aka. descending rotary hunt group).
;
TRUNKMSD=1     ; MSD digits to strip (usually 1 or 0)
;TRUNK=IAX2/user:pass at provider

;
; Any category other than "General" and "Globals" represent
; extension contexts, which are collections of extensions.
;
; Extension names may be numbers, letters, or combinations
; thereof. If an extension name is prefixed by a '_'
; character, it is interpreted as a pattern rather than a
; literal.  In patterns, some characters have special meanings:
;
;   X - any digit from 0-9
;   Z - any digit from 1-9
;   N - any digit from 2-9
;   [1235-9] - any digit in the brackets (in this example, 1,2,3,5,6,7,8,9)
;   . - wildcard, matches anything remaining (e.g. _9011. matches
; anything starting with 9011 excluding 9011 itself)
;
; For example the extension _NXXXXXX would match normal 7 digit dialings,
; while _1NXXNXXXXXX would represent an area code plus phone number
; preceeded by a one.
;
; Each step of an extension is ordered by priority, which must
; always start with 1 to be considered a valid extension.
;
; Contexts contain several lines, one for each step of each
; extension, which can take one of two forms as listed below,
; with the first form being preferred.  One may include another
; context in the current one as well, optionally with a
; date and time.  Included contexts are included in the order
; they are listed.
;
;[context]
;exten => someexten,priority,application(arg1,arg2,...)
;exten => someexten,priority,application,arg1|arg2...
;
; Timing list for includes is
;
;   <time range>|<days of week>|<days of month>|<months>
;
;include => daytime|9:00-17:00|mon-fri|*|*
;
; ignorepat can be used to instruct drivers to not cancel dialtone upon
; receipt of a particular pattern.  The most commonly used example is
; of course '9' like this:
;
;ignorepat => 9
;
; so that dialtone remains even after dialing a 9.
;

;
; Here are the entries you need to participate in the IAXTEL
; call routing system.  Most IAXTEL numbers begin with 1-700, but
; there are exceptions.  For more information, and to sign
; up, please go to www.gnophone.com or www.iaxtel.com
;
[iaxtel700]
exten => _91700XXXXXXX,1,Dial(IAX2/${IAXINFO}@iaxtel.com/${EXTEN:1}@iaxtel)

;
; The SWITCH statement permits a server to share the dialplain with
; another server. Use with care: Reciprocal switch statements are not
; allowed (e.g. both A -> B and B -> A), and the switched server needs
; to be on-line or else dialing can be severly delayed.
;
[iaxprovider]
;switch => IAX2/user:[key]@myserver/mycontext

[trunkint]
;
; International long distance through trunk
;
exten => _9011.,1,Dial(${TRUNK}/${EXTEN:${TRUNKMSD}})
exten => _9011.,2,Congestion

[trunkld]
;
; Long distance context accessed through trunk
;
exten => _91NXXNXXXXXX,1,Dial(${TRUNK}/${EXTEN:${TRUNKMSD}})
exten => _91NXXNXXXXXX,2,Congestion

[trunklocal]
;
; Local seven-digit dialing accessed through trunk interface
;
exten => _9NXXXXXX,1,Dial(${TRUNK}/${EXTEN:${TRUNKMSD}})
exten => _9NXXXXXX,2,Congestion

[trunktollfree]
;
; Long distance context accessed through trunk interface
;
exten => _91800NXXXXXX,1,Dial(${TRUNK}/${EXTEN:${TRUNKMSD}})
exten => _91800NXXXXXX,2,Congestion
exten => _91888NXXXXXX,1,Dial(${TRUNK}/${EXTEN:${TRUNKMSD}})
exten => _91888NXXXXXX,2,Congestion
exten => _91877NXXXXXX,1,Dial(${TRUNK}/${EXTEN:${TRUNKMSD}})
exten => _91877NXXXXXX,2,Congestion
exten => _91866NXXXXXX,1,Dial(${TRUNK}/${EXTEN:${TRUNKMSD}})
exten => _91866NXXXXXX,2,Congestion

[international]
;
; Master context for international long distance
;
ignorepat => 9
include => longdistance
include => trunkint

[longdistance]
;
; Master context for long distance
;
ignorepat => 9
include => local
include => trunkld

[local]
;
; Master context for local, toll-free, and iaxtel calls only
;
ignorepat => 9
include => default
include => parkedcalls
include => trunklocal
include => iaxtel700
include => trunktollfree
include => iaxprovider
;
; You can use an alternative switch type as well, to resolve
; extensions that are not known here, for example with remote
; IAX switching you transparently get access to the remote
; Asterisk PBX
;
; switch => IAX2/user:password at bigserver/local

[macro-stdexten];
;
; Standard extension macro:
;   ${ARG1} - Extension  (we could have used ${MACRO_EXTEN} here as well
;   ${ARG2} - Device(s) to ring
;
exten => s,1,Dial(${ARG2},20)     ; Ring the interface, 20 seconds maximum
exten => s,2,Goto(s-${DIALSTATUS},1)    ; Jump based on status 
(NOANSWER,BUSY,CHANUNAVAIL,CONGESTION,ANSWER)

exten => s-NOANSWER,1,Voicemail(u${ARG1})  ; If unavailable, send to 
voicemail w/ unavail announce
exten => s-NOANSWER,2,Goto(default,s,1)   ; If they press #, return to start

exten => s-BUSY,1,Voicemail(b${ARG1})   ; If busy, send to voicemail w/ busy 
announce
exten => s-BUSY,2,Goto(default,s,1)    ; If they press #, return to start

exten => _s-.,1,Goto(s-NOANSWER,1)    ; Treat anything else as no answer

exten => a,1,VoicemailMain(${ARG1})    ; If they press *, send the user into 
VoicemailMain

[demo]
;
; We start with what to do when a call first comes in.
;
exten => s,1,Wait,1   ; Wait a second, just for fun
exten => s,2,Answer   ; Answer the line
exten => s,3,DigitTimeout,5  ; Set Digit Timeout to 5 seconds
exten => s,4,ResponseTimeout,10  ; Set Response Timeout to 10 seconds
exten => s,5,BackGround(demo-congrats) ; Play a congratulatory message
exten => s,6,BackGround(demo-instruct) ; Play some instructions

exten => 2,1,BackGround(demo-moreinfo) ; Give some more information.
exten => 2,2,Goto(s,6)

exten => 3,1,SetLanguage(fr)  ; Set language to french
exten => 3,2,Goto(s,5)   ; Start with the congratulations

exten => 1000,1,Goto(default,s,1)
;
; We also create an example user, 1234, who is on the console and has
; voicemail, etc.
;
exten => 1234,1,Playback(transfer,skip)  ; "Please hold while..."
     ; (but skip if channel is not up)
exten => 1234,2,Macro(stdexten,1234,${CONSOLE})

exten => 1235,1,Voicemail(u1234)  ; Right to voicemail

exten => 1236,1,Dial(Console/dsp)  ; Ring forever
exten => 1236,2,Voicemail(u1234)  ; Unless busy

;
; # for when they're done with the demo
;
exten => #,1,Playback(demo-thanks)  ; "Thanks for trying the demo"
exten => #,2,Hangup   ; Hang them up.

;
; A timeout and "invalid extension rule"
;
exten => t,1,Goto(#,1)   ; If they take too long, give up
exten => i,1,Playback(invalid)  ; "That's not valid, try again"

;
; Create an extension, 500, for dialing the
; Asterisk demo.
;
exten => 500,1,Playback(demo-abouttotry); Let them know what's going on
exten => 500,2,Dial(IAX2/guest at misery.digium.com/s at default) ; Call the 
Asterisk demo
exten => 500,3,Playback(demo-nogo) ; Couldn't connect to the demo site
exten => 500,4,Goto(s,6)  ; Return to the start over message.

;
; Create an extension, 600, for evaulating echo latency.
;
exten => 600,1,Playback(demo-echotest) ; Let them know what's going on
exten => 600,2,Echo   ; Do the echo test
exten => 600,3,Playback(demo-echodone) ; Let them know it's over
exten => 600,4,Goto(s,6)  ; Start over

;
; Give voicemail at extension 8500
;
exten => 8500,1,VoicemailMain
exten => 8500,2,Goto(s,6)
;
; Here's what a phone entry would look like (IXJ for example)
;
;exten => 1265,1,Dial(Phone/phone0,15)
;exten => 1265,2,Goto(s,5)

;[mainmenu]
;
; Example "main menu" context with submenu
;
;exten => s,1,Answer
;exten => s,2,Background(thanks)  ; "Thanks for calling press 1 for sales, 2 
for support, ..."
;exten => 1,1,Goto(submenu,s,1)
;exten => 2,1,Hangup
;include => default
;
;[submenu]
;exten => s,1,Ringing     ; Make them comfortable with 2 seconds of ringback
;exten => s,2,Wait,2
;exten => s,3,Background(submenuopts) ; "Thanks for calling the sales 
department.  Press 1 for steve, 2 for..."
;exten => 1,1,Goto(default,steve,1)
;exten => 2,1,Goto(default,mark,2)

[default]
;
; By default we include the demo.  In a production system, you
; probably don't want to have the demo there.
;
include => demo

;
; Extensions like the two below can be used for FWD, Nikotel, sipgate etc.
; Note that you must have a [sipprovider] section in sip.conf whereas
; the otherprovider.net example does not require such a peer definition
;
;exten => _41X.,1,Dial(SIP/${EXTEN:2}@sipprovider,,r)
;exten => _42X.,1,Dial(SIP/user:passwd@${EXTEN:2}@otherprovider.net,30,rT)

; Real extensions would go here. Generally you want real extensions to be 4 
or 5
; digits long (although there is no such requirement) and start with a 
single
; digit that is fairly large (like 6 or 7) so that you have plenty of room 
to
; overlap extensions and menu options without conflict.  You can alias them 
with
; names, too and use global variables

;exten => 6245,hint,SIP/Grandstream1&SIP/Xlite1 ; Channel hints for presence
;exten => 6245,1,Dial(SIP/Grandstream1,20,rt) ; permit transfer
;exten => 6245,1,Dial(${HINT},20,rtT)  ; Use hint as listed
;exten => 6361,1,Dial(IAX2/JaneDoe,,rm)  ; ring without time limit
;exten => 6389,1,Dial(MGCP/aaln/1 at 192.168.0.14)
;exten => 6394,1,Dial(Local/6275/n)  ; this will dial ${MARK}

;exten => 6275,1,Macro(stdexten,6275,${MARK}) ; assuming ${MARK} is 
something like Zap/2
;exten => mark,1,Goto(6275|1)   ; alias mark to 6275
;exten => 6536,1,Macro(stdexten,6236,${WIL}) ; Ditto for wil
;exten => wil,1,Goto(6236|1)
;
; Some other handy things are an extension for checking voicemail via
; voicemailmain
;
;exten => 8500,1,VoicemailMain
;exten => 8500,2,Hangup
;
; Or a conference room (you'll need to edit meetme.conf to enable this room)
;
;exten => 8600,1,Meetme(1234)
;
; Or playing an announcement to the called party, as soon it answers
;
;exten = 8700,1,Dial(${MARK},30,A(/path/to/my/announcemsg))
;
; For more information on applications, just type "show applications" at 
your
; friendly Asterisk CLI prompt.
;
; 'show application <command>' will show details of how you
; use that particular application in this file, the dial plan.
;




----- Original Message ----- 
From: "dbruce" <dbruce at bananatel.ca>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Sunday, July 24, 2005 8:39 PM
Subject: Re: [Asterisk-Users] Why can't sip/200 call sip/202


> Marc: My answer is not incorrect... it is incomplete.
>
> The OP stipulated 2 extensions 200 and 202... and provided a sip debug
> indicating a call from 200 to 777.
>
> I pointed out the obvious.
>
> If the OP is dialing 202 on the phone, and the phone is dialing 777, then 
> he
> needs to look at the dialplan configuration of the phone. If he is dialing
> 777 on the phone and expecting to reach 202, then he will need to have
> translations in the asterisk dialplan. But, the question was "what should 
> I
> be looking at?"... Using just the information provided, and the fact that 
> he
> is new to asterisk... without any further information... the first thing 
> he
> should be looking at is why the phone is trying to reach 777 when he wants
> to reach 202... Many new users do not realize the complexity of the SIP
> protocol, and only really look at the trace in a general manner...  such 
> as:
> INVITE
> 407 Proxy Authentication Required
> ACK
> INVITE
> 404 Not Found
> ACK
>
> The idea was to provide a clue... not to provide a complete working 
> dialplan
> and phone configuration. Providing new users with "the complete package" 
> is
> a dis-service to them. They will only learn from thier mistakes and
> experiences.. providing clues allows them to expand their experience and
> build their confidence... It requires them to look at the details and 
> learn
> to analyse them.
>
> Regards,
> Derek
>
>
> ----- Original Message -----
> From: "Marc Storck" <marc.storck at msnetworks.lu>
> To: "Asterisk Users Mailing List - Non-Commercial Discussion"
> <asterisk-users at lists.digium.com>
> Sent: Sunday, July 24, 2005 12:53 PM
> Subject: Re: [Asterisk-Users] Why can't sip/200 call sip/202
>
>
>> Derek: you reply is uncorrect. If Angus has the extension 777 in his
>> dialplan/extensions.conf which will dial 202. The name of the peer has
>> absolutely nothing to do with which number/name he would have to dial.
>> Without dialplan he will be unable to call any extension even 202, as
>> 202 is only the name of the peer.
>>
>> Angus: please paste your extensions.conf to pastebin.ca
>>
>> Regards,
>>
>> Marc
>>
>> dbruce wrote:
>> > It appears from the debug that extension 200 is trying to call 777, not
>> > 202. Your Asterisk server can't find an extension 777 and returns "404
>> > not found". That will explain why you can't call extension 777 from
>> > extension 200. If you want to call extension 202, you will need to dial
>> > 202 on extension 200, not 777.
>> >
>> > Regards,
>> > Derek
>> >
>> >
>> >     ----- Original Message -----
>> >     *From:* Angus Comber <mailto:angus at iteloffice.com>
>> >     *To:* asterisk-users at lists.digium.com
>> >     <mailto:asterisk-users at lists.digium.com>
>> >     *Sent:* Sunday, July 24, 2005 11:51 AM
>> >     *Subject:* [Asterisk-Users] Why can't sip/200 call sip/202
>> >
>> >     I have 2 sip accounts setup - 200 and 202.  If I do sip show peers 
>> > I
>> >     get:
>> >
>> >     sip show peers
>> >     Name/username    Host            Dyn Nat ACL Mask
>> >     Port     Status
>> >     202/202          192.168.0.6      D          255.255.255.255
>> >     5060     Unmonitored
>> >     201/201          (Unspecified)    D          255.255.255.255
>> >     5060     Unmonitored
>> >     200/200          192.168.0.3      D          255.255.255.255
>> >     5060     Unmonitored
>> >
>> >     200 is a Grandstream GXP200 IP Phone and 202 is a Grandstream BT100
>> >     IP phone.
>> >
>> >     relevant bit of sip.conf:
>> >
>> >     [200]
>> >     username=200
>> >     type=friend
>> >     secret=1234
>> >     port=5060
>> >     nat=never
>> >     dtmfmode=rfc2833
>> >     context=default
>> >     callerid="Angus Comber" <200>
>> >     host=dynamic
>> >     disallow=all
>> >     allow=ulaw
>> >     allow=alaw
>> >     allow=g723.1
>> >     allow=g729
>> >
>> >     [202]
>> >     username=202
>> >     type=friend
>> >     secret=1234
>> >     port=5060
>> >     nat=never
>> >     dtmfmode=rfc2833
>> >     context=default
>> >     callerid="Sam Comber" <202>
>> >     host=dynamic
>> >     disallow=all
>> >     allow=ulaw
>> >     allow=alaw
>> >     allow=g723.1
>> >     allow=g729
>> >
>> >
>> >     But whenever I try to dial between phones I get this:
>> >
>> >
>> >     Sip read:
>> >
>> >     0 headers, 0 lines
>> >
>> >
>> >     Sip read:
>> >     INVITE sip:777 at 192.168.0.13;user=phone SIP/2.0
>> >     Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKa6cf8b6a7c7198a1
>> >     From: "Angus Comber"
>> >     <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
>> >     To: <sip:777 at 192.168.0.13;user=phone>
>> >     Contact: <sip:200 at 192.168.0.3;user=phone>
>> >     Supported: replaces, timer
>> >     Call-ID: 11e4ca07b25c9335 at 192.168.0.3
>> >     <mailto:11e4ca07b25c9335 at 192.168.0.3>
>> >     CSeq: 45925 INVITE
>> >     User-Agent: Grandstream GXP2000 1.0.1.9
>> >     Max-Forwards: 70
>> >     Allow:
>> >
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK
>> >     Content-Type: application/sdp
>> >     Content-Length: 258
>> >
>> >     v=0
>> >     o=200 8000 8000 IN IP4 192.168.0.3
>> >     s=SIP Call
>> >     c=IN IP4 192.168.0.3
>> >     t=0 0
>> >     m=audio 5004 RTP/AVP 18 0 8 101
>> >     a=sendrecv
>> >     a=rtpmap:18 G729/8000
>> >     a=rtpmap:0 PCMU/8000
>> >     a=rtpmap:8 PCMA/8000
>> >     a=ptime:20
>> >     a=rtpmap:101 telephone-event/8000
>> >     a=fmtp:101 0-11
>> >
>> >     13 headers, 13 lines
>> >     Using latest request as basis request
>> >     Sending to 192.168.0.3 : 5060 (non-NAT)
>> >     Reliably Transmitting (no NAT):
>> >     SIP/2.0 407 Proxy Authentication Required
>> >     Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKa6cf8b6a7c7198a1
>> >     From: "Angus Comber"
>> >     <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
>> >     To: <sip:777 at 192.168.0.13;user=phone>;tag=as668982be
>> >     Call-ID: 11e4ca07b25c9335 at 192.168.0.3
>> >     <mailto:11e4ca07b25c9335 at 192.168.0.3>
>> >     CSeq: 45925 INVITE
>> >     User-Agent: Asterisk PBX
>> >     Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
>> >     Contact: <sip:777 at 192.168.0.13>
>> >     Proxy-Authenticate: Digest realm="asterisk", nonce="0c555366"
>> >     Content-Length: 0
>> >
>> >
>> >      to 192.168.0.3:5060
>> >     Scheduling destruction of call '11e4ca07b25c9335 at 192.168.0.3'
>> >     <mailto:'11e4ca07b25c9335 at 192.168.0.3'> in 15000 ms
>> >     Found user '200'
>> >
>> >
>> >     Sip read:
>> >     ACK sip:777 at 192.168.0.13;user=phone SIP/2.0
>> >     Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKa6cf8b6a7c7198a1
>> >     From: "Angus Comber"
>> >     <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
>> >     To: <sip:777 at 192.168.0.13;user=phone>;tag=as668982be
>> >     Contact: <sip:200 at 192.168.0.3;user=phone>
>> >     Call-ID: 11e4ca07b25c9335 at 192.168.0.3
>> >     <mailto:11e4ca07b25c9335 at 192.168.0.3>
>> >     CSeq: 45925 ACK
>> >     User-Agent: Grandstream GXP2000 1.0.1.9
>> >     Max-Forwards: 70
>> >     Allow:
>> >
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK
>> >     Content-Length: 0
>> >
>> >
>> >     11 headers, 0 lines
>> >
>> >
>> >     Sip read:
>> >     INVITE sip:777 at 192.168.0.13;user=phone SIP/2.0
>> >     Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKe570dfe4b8441304
>> >     From: "Angus Comber"
>> >     <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
>> >     To: <sip:777 at 192.168.0.13;user=phone>
>> >     Contact: <sip:200 at 192.168.0.3;user=phone>
>> >     Supported: replaces, timer
>> >     Proxy-Authorization: Digest username="200", realm="asterisk",
>> >     algorithm=MD5, uri="sip:777 at 192.168.0.13;user=phone",
>> >     nonce="0c555366", response="ee6088fb4e50da5fe412913ae40dd45c"
>> >     Call-ID: 11e4ca07b25c9335 at 192.168.0.3
>> >     <mailto:11e4ca07b25c9335 at 192.168.0.3>
>> >     CSeq: 45926 INVITE
>> >     User-Agent: Grandstream GXP2000 1.0.1.9
>> >     Max-Forwards: 70
>> >     Allow:
>> >
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK
>> >     Content-Type: application/sdp
>> >     Content-Length: 258
>> >
>> >     v=0
>> >     o=200 8000 8001 IN IP4 192.168.0.3
>> >     s=SIP Call
>> >     c=IN IP4 192.168.0.3
>> >     t=0 0
>> >     m=audio 5004 RTP/AVP 18 0 8 101
>> >     a=sendrecv
>> >     a=rtpmap:18 G729/8000
>> >     a=rtpmap:0 PCMU/8000
>> >     a=rtpmap:8 PCMA/8000
>> >     a=ptime:20
>> >     a=rtpmap:101 telephone-event/8000
>> >     a=fmtp:101 0-11
>> >
>> >     14 headers, 13 lines
>> >     Using latest request as basis request
>> >     Sending to 192.168.0.3 : 5060 (non-NAT)
>> >     Found user '200'
>> >     Found RTP audio format 18
>> >     Found RTP audio format 0
>> >     Found RTP audio format 8
>> >     Found RTP audio format 101
>> >     Peer audio RTP is at port 192.168.0.3:5004
>> >     Found description format G729
>> >     Found description format PCMU
>> >     Found description format PCMA
>> >     Found description format telephone-event
>> >     Capabilities: us - 0x10d (g723|ulaw|alaw|g729), peer - audio=0x10c
>> >     (ulaw|alaw|g729)/video=0x0 (nothing), combined - 0x10c
> (ulaw|alaw|g729)
>> >     Non-codec capabilities: us - 0x1 (g723), peer - 0x1 (g723), 
>> > combined
>> >     - 0x1 (g723)
>> >     Looking for 777 in default
>> >     Reliably Transmitting (no NAT):
>> >     SIP/2.0 404 Not Found
>> >     Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKe570dfe4b8441304
>> >     From: "Angus Comber"
>> >     <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
>> >     To: <sip:777 at 192.168.0.13;user=phone>;tag=as668982be
>> >     Call-ID: 11e4ca07b25c9335 at 192.168.0.3
>> >     <mailto:11e4ca07b25c9335 at 192.168.0.3>
>> >     CSeq: 45926 INVITE
>> >     User-Agent: Asterisk PBX
>> >     Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
>> >     Contact: <sip:777 at 192.168.0.13>
>> >     Content-Length: 0
>> >
>> >
>> >      to 192.168.0.3:5060
>> >
>> >
>> >     Sip read:
>> >     ACK sip:777 at 192.168.0.13;user=phone SIP/2.0
>> >     Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKe570dfe4b8441304
>> >     From: "Angus Comber"
>> >     <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
>> >     To: <sip:777 at 192.168.0.13;user=phone>;tag=as668982be
>> >     Contact: <sip:200 at 192.168.0.3;user=phone>
>> >     Proxy-Authorization: Digest username="200", realm="asterisk",
>> >     algorithm=MD5, uri="sip:777 at 192.168.0.13;user=phone",
>> >     nonce="0c555366", response="7fcb1024a81b3ea3bcc56baeca4bac3e"
>> >     Call-ID: 11e4ca07b25c9335 at 192.168.0.3
>> >     <mailto:11e4ca07b25c9335 at 192.168.0.3>
>> >     CSeq: 45926 ACK
>> >     User-Agent: Grandstream GXP2000 1.0.1.9
>> >     Max-Forwards: 70
>> >     Allow:
>> >
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK
>> >     Content-Length: 0
>> >
>> >
>> >     12 headers, 0 lines
>> >     Destroying call '11e4ca07b25c9335 at 192.168.0.3'
>> >     <mailto:'11e4ca07b25c9335 at 192.168.0.3'>
>> >
>> >
>> >     How can I troubleshoot?  What should I be looking at?
>> >
>> >     Angus
>> >
>> >
>>
>  ------------------------------------------------------------------------
>> >
>> >     _______________________________________________
>> >     Asterisk-Users mailing list
>> >     Asterisk-Users at lists.digium.com
>> >     http://lists.digium.com/mailman/listinfo/asterisk-users
>> >     To UNSUBSCRIBE or update options visit:
>> >        http://lists.digium.com/mailman/listinfo/asterisk-users
>> >
>> >
>> > ------------------------------------------------------------------------
>> >
>> > _______________________________________________
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>> > Asterisk-Users at lists.digium.com
>> > http://lists.digium.com/mailman/listinfo/asterisk-users
>> > To UNSUBSCRIBE or update options visit:
>> >    http://lists.digium.com/mailman/listinfo/asterisk-users
>>
>> --
>> CTO                            Marc Storck
>> MS Networks SA                 mstorck at msnetworks.lu
>> IT Service Provider            http://www.msnetworks.lu
>> 15, route d'Esch               Phone: +352 2727 3030
>> L-4450 Belvaux                 Fax:   +352 2727 3060
>>
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