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joe.attardi at nortel.com
Guest

Posted: Mon Oct 13, 2008 8:36 am Post subject: [Freeswitch-users] mod_conference: Any way to pass conferenc

Hi all, Part of an app I'm working on has a web UI for managing conferences on a FreeSWITCH instance. One of the goals in this effort is to allow a conference host to invite participants. We had initially used the 'api conference dial/bgdial' commands, but unfortunately we ran into some problems (we needed to provide credentials to our SIP proxy, among other things). So what we're doing now is inviting the person with a REFER. The conference owner enters a phone extension/SIP URI and the remote party's phone rings. When the remote party answers the call, it then REFERs their phone to call the FreeSWITCH conference. If the conference requires a PIN, then, obviously they get prompted for a PIN. Here's the million dollar question: Is there any way to pass along the conference PIN as a URI parameter or something like that? Any help would be greatly appreciated. Thanks in advance, -- Joe _______________________________________________ Freeswitch-users mailing list Freeswitch-users@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org

kkielhofner at star2st...
Guest

Posted: Mon Oct 13, 2008 10:13 am Post subject: [Freeswitch-users] mod_conference: Any way to pass conferenc

On Mon, Oct 13, 2008 at 9:14 AM, Joe Attardi <joe.attardi@nortel.com> wrote:

Quote:

Hi all,

Part of an app I'm working on has a web UI for managing conferences on a
FreeSWITCH instance. One of the goals in this effort is to allow a
conference host to invite participants. We had initially used the 'api
conference dial/bgdial' commands, but unfortunately we ran into some
problems (we needed to provide credentials to our SIP proxy, among other
things).

So what we're doing now is inviting the person with a REFER. The
conference owner enters a phone extension/SIP URI and the remote party's
phone rings. When the remote party answers the call, it then REFERs
their phone to call the FreeSWITCH conference. If the conference
requires a PIN, then, obviously they get prompted for a PIN.

Here's the million dollar question: Is there any way to pass along the
conference PIN as a URI parameter or something like that?

Any help would be greatly appreciated.

Thanks in advance,

-- Joe

Joe,

Instead of modifying the URI, why not attach your own header:

X-conf-pin: 1234

I haven't done it yet, but it might be as simple as:

action application="conference" data="confname+${sip_X-conf-pin}">

Taken from:
http://wiki.freeswitch.org/wiki/Channel_Variables#variable_xxxx
http://wiki.freeswitch.org/wiki/Mod_conference#Dialplan_configuration

--
Kristian Kielhofner
http://blog.krisk.org
http://www.submityoursip.com
http://www.astlinux.org
http://www.star2star.com

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woof at nortel.com
Guest

Posted: Mon Oct 13, 2008 12:50 pm Post subject: [Freeswitch-users] mod_conference: Any way to pass conferenc

Woof!

On Mon, 13 Oct 2008 11:02:49 -0400, Kristian Kielhofner
<kkielhofner@star2star.com> wrote:

Quote:

Instead of modifying the URI, why not attach your own header:
X-conf-pin: 1234
I haven't done it yet, but it might be as simple as:
action application="conference" data="confname+${sip_X-conf-pin}">

I don't believe that has the desired effect. It would seem the above line
will change the conference PIN based on the value of the header in each
call, but it will not prevent the caller from being asked to enter the PIN.

Joe wants to have callers that are transfered into the conference from the
Web UI not to have to enter a PIN via the DTMF keypad.

--Woof!

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kkielhofner at star2st...
Guest

Posted: Mon Oct 13, 2008 2:19 pm Post subject: [Freeswitch-users] mod_conference: Any way to pass conferenc

On Mon, Oct 13, 2008 at 1:40 PM, Andy Spitzer <woof@nortel.com> wrote:

Quote:

Woof!

On Mon, 13 Oct 2008 11:02:49 -0400, Kristian Kielhofner
<kkielhofner@star2star.com> wrote:

Quote:

Instead of modifying the URI, why not attach your own header:
X-conf-pin: 1234
I haven't done it yet, but it might be as simple as:
action application="conference" data="confname+${sip_X-conf-pin}">

Hmmm, looks like I misunderstood the OP. But this seems even simpler:
why not just create different conditional matches (for the same
conference) in the dialplan based on something you can match to
differentiate callers coming from the web ui, and don't prompt them
for a pin (while prompting everyone else)?

Perhaps something like:

<extension name="conference-pinskip">
<condition field="destination_number" expression="^([0-9]\d+)$"/>
<condition field="${sip_from_host}" expression="192.168.0.5">
<action application="answer"/>
<action application="log" data="INFO Conference $1 - skipping pin\n"/>
<action application="conference" data="$1@default"/>
</condition>
</extension>

<extension name="conference-pin">
<condition field="destination_number" expression="^([0-9]\d+)$">
<action application="answer"/>
<action application="log" data="INFO Conference $1 - prompting pin\n"/>
<action application="conference" data="$1@default+1234"/>
</condition>
</extension>

I'm still pretty new at this (and I'm sure there are better ways to do
it) but I *think* this should ask for ping 1234 unless you are coming
from SIP host 192.168.0.5 (at least according to the $sip_from_host,
presumably parsing the host portion of the From: header). Obviously
replace sip_from_host with a relevant SIP variable and expression with
whatever you want to match...

Am I getting any closer? Wink

--
Kristian Kielhofner
http://blog.krisk.org
http://www.submityoursip.com
http://www.astlinux.org
http://www.star2star.com

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joe.attardi at nortel.com
Guest

Posted: Tue Oct 14, 2008 4:22 pm Post subject: [Freeswitch-users] mod_conference: Any way to pass conferenc

Hi Kristian,

Kristian Kielhofner wrote:

Quote:

I'm still pretty new at this (and I'm sure there are better ways to do
it) but I *think* this should ask for ping 1234 unless you are coming
from SIP host 192.168.0.5 (at least according to the $sip_from_host,
presumably parsing the host portion of the From: header). Obviously
replace sip_from_host with a relevant SIP variable and expression with
whatever you want to match...

I tried something similar (here is the relevant snippet from my
default_context.xml):

<context name="default">
<extension name="4444">
<condition field="destination_number" expression="^conf1$"
break="on-true">
<action application="conference" data="conf1@4444+12345"/>
</condition>
<condition field="destination_number" expression="^conf1-nopin$"
break="on-true">
<action application="conference" data="conf1@4444" />
</condition>
</extension>
</context>

The intent was to skip the PIN if the destination number was
'conf1-nopin' and require it if it was 'conf1'. This works great for the
first person to call the conference. After that, the setting "sticks".

i.e. if I call conf1-nopin, I get in without a PIN, but then others get
in without a PIN even if they call conf1;
and if I call conf1; I am prompted for a PIN, but then others get
prompted for a PIN even if they call conf1-nopin.

I looked through the mod_conference docs and found this as the explanation:
http://wiki.freeswitch.org/wiki/Mod_conference#Syntax
"The first time a conference name (confname) is used, it will be created
on demand, and the pin will be set to what ever is specified at that
time: the pin in the data string if specified, or if not, the "pin"
setting in the conference profile, and if that is also unspecified, then
there is no pin protection. Any later attempt to join the conference
must specify the same pin number, if one existed when it was created. "

So, though your suggestion was good (and I got excited when it initially
worked!), it looks like this won't work. Does anyone else have any other
ideas?

Thanks...

-- Joe

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anthony.minessale at g...
Guest

Posted: Tue Oct 14, 2008 4:58 pm Post subject: [Freeswitch-users] mod_conference: Any way to pass conferenc

you don't have to use the pin in the conference
you can use a small script or some dialplan logic to ask for an arbitrary pin then
comp it to the one from the header.

On Tue, Oct 14, 2008 at 4:11 PM, Joe Attardi <joe.attardi@nortel.com (joe.attardi@nortel.com)> wrote:

Quote:

Hi Kristian,

Kristian Kielhofner wrote:

Quote:

I tried something similar (here is the relevant snippet from my
default_context.xml):

<context name="default">
<extension name="4444">
<condition field="destination_number" expression="^conf1$"
break="on-true">
<action application="conference" data="conf1@4444+12345"/>
</condition>
<condition field="destination_number" expression="^conf1-nopin$"
break="on-true">
<action application="conference" data="conf1@4444" />
</condition>
</extension>
</context>

The intent was to skip the PIN if the destination number was
'conf1-nopin' and require it if it was 'conf1'. This works great for the
first person to call the conference. After that, the setting "sticks".

i.e. if I call conf1-nopin, I get in without a PIN, but then others get
in without a PIN even if they call conf1;
and if I call conf1; I am prompted for a PIN, but then others get
prompted for a PIN even if they call conf1-nopin.

I looked through the mod_conference docs and found this as the explanation:
http://wiki.freeswitch.org/wiki/Mod_conference#Syntax
"The first time a conference name (confname) is used, it will be created
on demand, and the pin will be set to what ever is specified at that
time: the pin in the data string if specified, or if not, the "pin"
setting in the conference profile, and if that is also unspecified, then
there is no pin protection. Any later attempt to join the conference
must specify the same pin number, if one existed when it was created. "

So, though your suggestion was good (and I got excited when it initially
worked!), it looks like this won't work. Does anyone else have any other
ideas?

Thanks...

-- Joe

_______________________________________________
Freeswitch-users mailing list
Freeswitch-users@lists.freeswitch.org (Freeswitch-users@lists.freeswitch.org)
http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
http://www.freeswitch.org

--
Anthony Minessale II

FreeSWITCH http://www.freeswitch.org/
ClueCon http://www.cluecon.com/

AIM: anthm
MSN:anthony_minessale@hotmail.com ([email]MSN%3Aanthony_minessale@hotmail.com[/email])
GTALK/JABBER/PAYPAL:anthony.minessale@gmail.com ([email]PAYPAL%3Aanthony.minessale@gmail.com[/email])
IRC: irc.freenode.net #freeswitch

FreeSWITCH Developer Conference
sip:888@conference.freeswitch.org ([email]sip%3A888@conference.freeswitch.org[/email])
iax:guest@conference.freeswitch.org/888
googletalk:conf+888@conference.freeswitch.org ([email]googletalk%3Aconf%2B888@conference.freeswitch.org[/email])
pstn:213-799-1400

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