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[lardconcepts at gmail.com]

I'd like multiple people to be able to dial in and listen to various
live radio streams.

I was told that the correct resource-friendly way would be to setup a
MoH class, and then select that from the dialplan.

This works well, but how do I switch between streams?

Someone correct me if I'm wrong, but from previous similar questions a
few years ago it seems like once you've entered a MoH class, there is
no exit.

But might there be some trick involved merged or bridged calls, or
chan_spy or something, so that callers could quickly switch between 3
streams with a keypress?

Thank you!

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[dovid at telecurve.com]

Michael,

What you do is you dial another context and then use the G option in the dial string. So something like this.

[radio-main]
Exten => s,1,answer
Exten => s,2,Background(play-menu)
Exten => s,3,waitexten
Exten => S,4,Goto(s,2)

Exten => 1,1,Dial(Local/CNN@play-radio)
Exten => 1,2,Goto(s,2)

Exten => 2,1,Dial(Local/NPR@play-radio)
Exten => 2,2,Goro(s,2)

[play-radio]
Exten => _[A-Z].,1,Answer
Exten => _[A-Z].,2,Musiconhold(${EXTEN})


Regards,

Dovid

-----Original Message-----
From: Jonathan H <lardconcepts@gmail.com>
Sender: asterisk-users-bounces@lists.digium.comDate: Sun, 8 May 2016 11:36:42
To: Asterisk Users Mailing List - Non-Commercial Discussion<asterisk-users@lists.digium.com>
Reply-To: Asterisk Users Mailing List - Non-Commercial Discussion
<asterisk-users@lists.digium.com>
Subject: [asterisk-users] Switching between Music on Hold streams. [13.8.2]

I'd like multiple people to be able to dial in and listen to various
live radio streams.

I was told that the correct resource-friendly way would be to setup a
MoH class, and then select that from the dialplan.

This works well, but how do I switch between streams?

Someone correct me if I'm wrong, but from previous similar questions a
few years ago it seems like once you've entered a MoH class, there is
no exit.

But might there be some trick involved merged or bridged calls, or
chan_spy or something, so that callers could quickly switch between 3
streams with a keypress?

Thank you!

--
_____________________________________________________________________
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[lardconcepts at gmail.com]

Hi there;

I didn't see any "G" option in the example above, and the usage for
the option parameters is entirely undocumented at
https://wiki.asterisk.org/wiki/display/AST/Asterisk+13+Application_Dial

The G options are as below
G - If the call is answered, transfer the calling party to the
specified priority and the called party to the specified priority plus
one.
context
exten
priority

I think I have something almost there now, with the following:

[streamdemo]
exten => s,1,Answer
exten => s,2,BackGround(menu)
exten => s,3,WaitExten
exten => s,4,Goto(s,2)
exten => _[2,3,4,5],1,Dial(Local/${EXTEN}@play-radio,,G(play-radio^${EXTEN}^2))
exten => _[2,3,4,5],2,Goto(s,2)

[play-radio]
Exten => _[2,3,4,5],1,Answer
exten => _[2,3,4,5],2,MusicOnHold(${CALLERID(name)}${EXTEN})
exten => _[2,3,4,5],3,Set(CHANNEL(language)=en_GB)
exten => _[2,3,4,5],4,BackGround(menu)
exten => _[2,3,4,5],5,WaitExten
exten => _[X,t,i],1,Goto(streamdemo,s,2)

However, it's like the play-radio channel can't "hear" the dtmf.

Here's the output - once that MoH starts playing, no amount of button
pushing works. All I'm left with is a channel which isn't closed
properly when the phone is hung up.

By the way, it looks like that "G" option IS working because the MoH
starts, then the "called party" plays back an example piece of "menu"
audio while the MoH is playing, but seems to ignore the keypresses.

-- Executing [s@streamdemo:1] Answer("Local/s@root-00000002;2", "") in new stack
-- Local/s@root-00000002;1 answered PJSIP/voipfone-201-00000002
-- Channel Local/s@root-00000002;1 joined 'simple_bridge'
basic-bridge <3ac0c9be-2817-48e7-bcd8-4318eb1f9c2b>
-- Channel PJSIP/voipfone-201-00000002 joined 'simple_bridge'
basic-bridge <3ac0c9be-2817-48e7-bcd8-4318eb1f9c2b>
-- Executing [s@streamdemo:2]
BackGround("Local/s@root-00000002;2", "menu") in new stack
-- <Local/s@root-00000002;2> Playing 'menu.alaw' (language 'en_GB')
-- Executing [s@streamdemo:3] WaitExten("Local/s@root-00000002;2",
"") in new stack
-- Executing [2@streamdemo:1] Dial("Local/s@root-00000002;2",
"Local/2@play-radio,,G(play-radio^2^2)") in new stack
-- Called Local/2@play-radio
-- Executing [2@play-radio:1]
Answer("Local/2@play-radio-00000003;2", "") in new stack
-- Local/2@play-radio-00000003;1 answered Local/s@root-00000002;2
-- Executing [2@play-radio:2]
MusicOnHold("Local/s@root-00000002;2", "streamdemo2") in new stack
-- Started music on hold, class 'streamdemo2', on channel
'Local/s@root-00000002;2'
-- Executing [2@play-radio:3] Set("Local/2@play-radio-00000003;1",
"CHANNEL(language)=en_GB") in new stack
-- Executing [2@play-radio:4]
BackGround("Local/2@play-radio-00000003;1", "menu") in new stack
-- Executing [2@play-radio:2]
MusicOnHold("Local/2@play-radio-00000003;2", "streamdemo2") in new
stack
-- Started music on hold, class 'streamdemo2', on channel
'Local/2@play-radio-00000003;2'
-- <Local/2@play-radio-00000003;1> Playing 'menu.alaw' (language 'en_GB')
-- Executing [2@play-radio:5]
WaitExten("Local/2@play-radio-00000003;1", "") in new stack
-- Timeout on Local/2@play-radio-00000003;1, going to 't'
-- Executing [t@play-radio:1]
Goto("Local/2@play-radio-00000003;1", "streamdemo,s,2") in new stack
-- Goto (streamdemo,s,2)
-- Executing [s@streamdemo:2]
BackGround("Local/2@play-radio-00000003;1", "menu") in new stack
-- <Local/2@play-radio-00000003;1> Playing 'menu.alaw' (language 'en_GB')
-- Executing [s@streamdemo:3]
WaitExten("Local/2@play-radio-00000003;1", "") in new stack
-- Timeout on Local/2@play-radio-00000003;1, continuing...

On 8 May 2016 at 14:56, Dovid Bender <dovid@telecurve.com> wrote:

[jcolp at digium.com]

Jonathan H wrote:

[dovid at telecurve.com]

Sorry about that it's the g option:
   g: Proceed with dialplan execution at the next priority in the current
    extension if the destination channel hangs up.


What you are doing is "dialing" another location that picks up. When you press # the called leg hangs up and the call continues in the dialplan.




On Mon, May 9, 2016 at 9:50 AM, Jonathan H <lardconcepts@gmail.com (lardconcepts@gmail.com)> wrote:

[dovid at telecurve.com]

Josh,


As he is playing different streams I think he wants to give the users the option to select another stream.



On Mon, May 9, 2016 at 9:58 AM, Joshua Colp <jcolp@digium.com (jcolp@digium.com)> wrote:

[jcolp at digium.com]

Dovid Bender wrote:

[dovid at telecurve.com]

Josh,



He mentioned that he is building something for radio stations for people to listen into. They want to be able to select what they hear. I recently built a system where people could call and listen to rail road traffic. Using the g option in the dial string + # was the only way to let them select.



On Mon, May 9, 2016 at 10:45 AM, Joshua Colp <jcolp@digium.com (jcolp@digium.com)> wrote:

[jcolp at digium.com]

Dovid Bender wrote:

[asterisk_list at earth...]

On Monday 09 May 2016, Jonathan H wrote:

[lardconcepts at gmail.com]

Thanks Joshua and everyone,

Joshua's solution seems a lot simpler and works well. Only one thing
now - The reason I named the classes as I did, was so that I could
select the class based on callerID plus extension.

Unless I've misread it, I'm limited to 9 switchable classes via the
"digit=#" option, is that correct?

Or is there a clever hack around this?

extensions.conf

[streamdemo]
exten => s,1,Answer
exten => s,2,BackGround(menu)
exten => s,3,WaitExten
exten => _[2,3,4,5],1,MusicOnHold(${CALLERID(name)}${EXTEN})
;exten => s,5,Goto(s,2)
exten => _[X,t,i],1,Goto(streamdemo,s,2)

and in musiconhold.conf (4 is commented out as it's AAC and I've not
figured that one out yet - bonus points to someone who can point the
way!)

[streamdemo2]
mode=custom
digit=2
application=/usr/bin/mpg123 -q -r 8000 -f 32768 --mono -s
http://185.14.85.162:8020

[streamdemo3]
mode=custom
digit=3
application=/usr/bin/mpg123 -q -r 8000 -f 32768 --mono -s
http://stream.acbradio.org:8000/mainstream.mp3

;[streamdemo4]
;mode=custom
;digit=4
;application=/usr/bin/mpg123 -q -r 8000 -f 32768 --mono -s
http://199.180.75.27:80/
;http://www.mushroomfm.com/media/listen.pls

[streamdemo5]
digit=5
mode=custom
application=/usr/bin/mpg123 -q -r 8000 -f 32768 --mono -s
http://206.225.87.121:8000/

On 9 May 2016 at 18:00, A J Stiles <asterisk_list@earthshod.co.uk> wrote:

[jcolp at digium.com]

Jonathan H wrote:

[lardconcepts at gmail.com]

Thanks Joshua,

I realise mine is a bit of a niche case, so I certainly don't expect
to be catered for "out of the box" as it were, but is there some way
Dovid's solution could be wrangled into doing what I require then?
Dovid mentions this (lower case!) g option, but call me thick, but I'm
not sure how it's supposed to work. I'm not being lazy here, but I
really just can't figure it out!

I've tried a few other things, but it really doesn't seem like the
second channel can "hear" or respond to the DTMF tones.

It doesn't have to be an elegant solution, any fudge will do!

It did just occur to me that I could use this option I just noticed:

"H - Allow the calling party to hang up by sending the DTMF sequence
defined for disconnect in features.conf."

Will that hang up the whole call, or just the extension which was
dialled by the Dial(PJSIP/...) application? Does that make sense?
(It's getting late here!).

Thanks!

On 9 May 2016 at 18:22, Joshua Colp <jcolp@digium.com> wrote:

[jcolp at digium.com]

Jonathan H wrote:

[asterisk.org at sedwar...]

On Mon, 9 May 2016, Jonathan H wrote: