Tested again....
With 
eavesdrop all
I got same error:
2015-07-13 12:38:45.125634 [ERR] switch_core_io.c:1531 Write Buffer 0 bytes Failed!


2015-07-09 23:11 GMT+03:00 Brian West <brian@freeswitch.org>:
You can also just say 'all', and cycle thru them all see the confluence page over this its fairly detailed.

On Thu, Jul 9, 2015 at 11:17 AM, Igor Olhovskiy <igorolhovskiy@gmail.com> wrote:
Thanks for an answer, but while calling eavesdrop I'm giving as a parameter existing call-leg ID (answered one)
But I'll try with originate one command, thanks.

четверг, 9 июля 2015 г. пользователь Steven Szeto написал:

Igor,

 

You need a call leg to perform the eavesdrop. The <channel-uuid> is the channel of an active call that is to be eavesdropped upon.

 

These examples work from the fs_cli command window. You will have to modify the commands with extensions and the correct uuid:

 

Step 1: establish a 2 party call:

 

two party call:

originate sofia/internal/5401@10.47.41.109 &bridge(sofia/internal/5901@10.47.41.109)

 

Step 2: invoke eavesdrop with the desired behavior:

 

whisper/coach:

originate sofia/internal/5902@10.47.41.109 'queue_dtmf:w2@500,eavesdrop:a28739d0-00f0-4a59-8c82-7a5a74ab6861' inline

 

originate sofia/internal/4901@10.47.32.159 'queue_dtmf:w2@500,eavesdrop:35b70871-78d4-4587-a186-5c0457482515' inline

 

silent monitor:

originate sofia/internal/5401@10.47.41.109 'eavesdrop:a28739d0-00f0-4a59-8c82-7a5a74ab6861' inline

originate sofia/internal/5002@10.47.32.159 'queue_dtmf:w0@500,eavesdrop:abefa174-12dc-4ccb-956e-67c51475c414' inline

 

 

From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Igor Olhovskiy
Sent: Thursday, July 09, 2015 7:48 AM
To: FreeSWITCH Users Help
Subject: [Freeswitch-users] Eavesdrop a call.

 

Hi!

I'm using Freeswitch 1.4.20 (git b95362f 2015-07-03 16:42:15Z 64bit)) (stable one)

and trying to get eavesdropping. But no luck.

Main scheme:

DID - > extension (210). 210 answers

eavesdropping from extension 110.

While giving a command 

eavesdrop <channel-uuid> 

I've got log full of messages 

2015-07-09 13:29:00.325667 [ERR] switch_core_io.c:1531 Write Buffer 0 bytes Failed!

and silence on 110 extension

 

While giving a command 

userspy 210@${domain_name} or userspy <channel-uuid>

I've got music-on-hold on 110, no errors on log.

 

In both cases used <channel-uuid> of extension 210 (answered one)

 

Is this a bug or I'm doing something wrong?

--

Best regards,

Igor


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_________________________________________________________________________
Professional FreeSWITCH Consulting Services:
consulting@freeswitch.org
http://www.freeswitchsolutions.com

Official FreeSWITCH Sites
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Igor