RE: [Serusers] Injecting SIP NOTIFY into ser FIFO - sr-users

19 Sep 2004

Dave,

I cheated big time. I use sipsak to send the message from my Asterisk server to
my ser proxy. I realized to late that I mentioned FIFO in my original post. 

I use the Asterisk "externnotify" in the voicemail.conf file to specify an
external bash script. This script then simply "touches" a file in
/var/spool/mwi/ for later processing by cron.

My cron job comes along after the fact and picks up all the files in
/var/spool/mwi/ and generates the appropriate SIP NOTIFY message and then it
uses sipsak to "shoot" it to the ser proxy.

This works really well for me when I need to turn on the MWI for a UA. What I
still can't do is turn the MWI off when there are no new messages. I'm really
having a hard time trying to determine how to hook the "Hang-Up" event in
Asterisk. I need to essentially have an "externnotify" for hang ups so I can
check the message status for a the mailbox and cancel the MWI if there are no
new messages.

I also need to handle SUBSCRIBE messages that the SIP proxy gets. I'm planning
on have the ser.cfg file execute an external script that will get a message to
the cron job on my Asterisk box. Once the Asterisk box gets notified of the
SUBSCRIBE message, it will process the same as if the user just had a voice
mail left and the externnotify event got fired.

Paul

--- Dave Bath &lt;dave(a)fuuz.com&gt; wrote:

...
  Hey Java,

 I know it's cheeky, but I was wondering if you might let me see the
 script you wrote to create the mwi message?  Great piece of work!

 Dave

 -----Original Message-----
 From: serusers-bounces(a)iptel.org [mailto:serusers-bounces@lists.iptel.org] On
 Behalf Of Java Rockx
 Sent: 18 September 2004 03:49
 To: Java Rockx; serusers(a)lists.iptel.org; Fred Tips
 Subject: Re: [Serusers] Injecting SIP NOTIFY into ser FIFO

 I found my problem. I had to convert the NOTIFY message from Unix format
 to
 Windoz format. I used the unix2dos command to do this.

 Everything is good now.

 P

 --- Java Rockx &lt;javarockx(a)yahoo.com&gt; wrote:

  Fred,

 I actually messed up my original post. I stated that I am placing my  NOTIFY
  messages directly in the ser FIFO. In reality I
should have said I'm  using
  sipsak to send the message to ser just like any
normal UA would.

 In my asterisk file sip.conf I have the following:

 [general]
 register => vmserver:number4@sip01.mycompany.com/vmserver

 So asterisk is a registered UA with ser. Doing this I assumed I could  simply
  use sipsak from the asterisk server to send
NOTIFY messages to the ser  box.

 I can infact do this, becuase when I do so the "TO:" SIP UA crashes. 
That
  tells
 me that everything is working, but my message is not 100% correct.

 I also have the user extension configured in ser and asterisk and all  is
  working because I can leave voice mail and listen
to voice mail  normally.
  It's
 just the MWI that is giving me grief.

 Paul

 --- Fred Tips &lt;fred(a)callcarrera.com&gt; wrote:

 > Do you have mailbox= in * under the sip peer ?
 > 
 > ----- Original Message ----- 
 > From: "Java Rockx" &lt;javarockx(a)yahoo.com&gt;
 > To: &lt;serusers(a)lists.iptel.org&gt;
 > Sent: Friday, September 17, 2004 3:14 PM
 > Subject: [Serusers] Injecting SIP NOTIFY into ser FIFO
 > 
 > 
 > > Hello everyone.
 > >
 > > Can anyone tell me what I'm doing wrong? I am using Asterisk as a 
voice
  > mail
 > > server for my ser SIP proxy. Everything works fine expect the  Message
  > Waiting
 > > Indicator (MWI). I've read a few articles and got some good feed 
back
  from
 > this
 > > mailing list but here is my problem.
 > >
 > > My NOTIFY message is crashing my SIP phone. Here is my setup. I'm 
using
  > > "externnotify" in Asterisk to
call a /usr/bin/mwi script that I  wrote.
  All
 > this
 > > script does is create file in /var/spool/mwi that contains the
 > externnotify
 > > information.
 > >
 > > Then cron periodically processes the messages in /var/spool/mwi.  By
  > process I
 > > mean it will create the SIP NOTIFY messages and place them  directly in
to
  > the
 > > ser FIFO. The problem is when this happens the SIP phone crashes.
 > >
 > > Here is a sample of my NOTIFY message that my Asterisk server cron  job
is
  > > sending to the ser FIFO. I wish there
was a way to just have  Asterisk
   register
  with the ser proxy and handle this
automatically.

 Can anyone see a problem?
 Regards,
 Paul

 --------------------------------------------------

 NOTIFY sip:1002@sip01.mycompany.com SIP/2.0
 Via: SIP/2.0/UDP 4.4.242.201:5060
 From: "vmserver" <sip:vmserver@sip01.mycompany.com>
 To: <sip:1002@sip01.mycomany.com>
 Contact: <sip:vmserver@sip01.mycompany.com>
 Call-ID: 5b8be1521efe68b5365a36466ad3b87(a)4.4.242.201
 CSeq: 1101 NOTIFY
 User-Agent: VoiceMail
 Event: message-summary
 Content-Type: application/simple-message-summary
 Content-Length: 38

 Messages-Waiting: yes
 Voicemail: 13/0

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