[asterisk-users] Websockets on Asterisk 11 and SipML5

[Andrew Latham]

On Mon, Aug 13, 2012 at 2:58 PM, James Mortensen
<james.mortensen at a-cti.com> wrote:
> Hello,
>
> I'm trying to register a user using sipml5 on Asterisk 11. I followed the
> instructions here:
> http://thr3ads.net/asterisk-users/2012/08/1972342-Asterisk-Websockets
>
> I added transport=ws to my sip.conf file:
>
> [3002]
> username=3002
> secret=XXXXXXXXX
> host=dynamic
> type=friend
> context=test
> disallow=all
> allow=g729
> ;allow=all                     ; Allow codecs in order of preference
> allow=ilbc
> allow=silk8
> allow=gsm
> transport=ws
>
>
> I also modified the sipml5 library so that the URL looks like this:
> ws://example.org:8088/ws with the /ws at the end, as instructed.
>
> Now, where I get confused is here:
>
> "You will need to change sipml5 to use http://<hostname or IP address of
>
> Asterisk>:8088/ws as the URL. WebSocket is only available on the /ws path."
>
>
> Did Joshua mean to say ws:// instead of http://?  Because I'm not aware of
> WebSockets working with http protocols, only ws protocols. Is there
> something I'm missing here?
>
>
>
> The error that I'm getting in the sipml5 client is:  "Disconnected: Failed
> to connet to the server"  And that typo is not mine.
>
>
>
>
> On the server, here is what I see from a tcpdump. The port appears to be
> open, but I'm not convinced that Asterisk is actually listening for
> WebSocket traffic:
>
>
>
>
> tcpdump -v port 8088
>
>
>
>
> 18:57:03.051712 IP (tos 0x0, ttl 243, id 21320, offset 0, flags [DF], proto
> TCP (6), length 60)
>     static-50-43-101-83.bvtn.or.frontiernet.net.63036 >
> ip-10-168-151-65.us-west-1.compute.internal.omniorb: Flags [S], cksum 0x4f7a
> (correct), seq 4055598050, win 14600, options [mss
> 1380,sackOK,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop], length
> 0
> 18:57:03.051758 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP
> (6), length 40)
>     ip-10-168-151-65.us-west-1.compute.internal.omniorb >
> static-50-43-101-83.bvtn.or.frontiernet.net.63036: Flags [R.], cksum 0xeaf4
> (correct), seq 0, ack 4055598051, win 0, length 0
>
>
>
> Is there something else I'm missing?  Please let me know what additional
> information you need from me.
>
> Thank you!
>
> --
> James Mortensen
>

Look to see if the /ws is showing in an "http show status"

'''
*CLI> http show status
HTTP Server Status:
Prefix:
Server Enabled and Bound to 0.0.0.0:8088

Enabled URI's:
/httpstatus => Asterisk HTTP General Status
/phoneprov/... => Asterisk HTTP Phone Provisioning Tool
/amanager => HTML Manager Event Interface w/Digest authentication
/uploads => HTTP POST mapping
/arawman => Raw HTTP Manager Event Interface w/Digest authentication
/manager => HTML Manager Event Interface
/rawman => Raw HTTP Manager Event Interface
/static/... => Asterisk HTTP Static Delivery
/amxml => XML Manager Event Interface w/Digest authentication
/mxml => XML Manager Event Interface
/ws => Asterisk HTTP WebSocket

Enabled Redirects:
  / => /static/admin.html
*CLI>
'''

-- 
~ Andrew "lathama" Latham lathama at gmail.com http://lathama.net ~