[asterisk-users] Call recording and transfer issue (asterisk 1.8)

[Ishfaq Malik]

On Mon, 2012-07-30 at 08:39 -0500, Matthew Jordan wrote:
> 
> ----- Original Message -----
> > From: "Ishfaq Malik" <ish at pack-net.co.uk>
> > To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users at lists.digium.com>
> > Sent: Wednesday, July 18, 2012 9:58:47 AM
> > Subject: Re: [asterisk-users] Call recording and transfer issue (asterisk 1.8)
> > 
> > On Thu, 2012-04-19 at 12:20 +0100, Ishfaq Malik wrote:
> > > Hi
> > > 
> > > I'm having a problem with the entirety of a call being recorded in
> > > the
> > > following scenario
> > > I'm using asterisk 1.8.7.0
> > > 
> > > Person A (asterisk peer) calls Person B (not on asterisk, real
> > > world
> > > number via a SIP trunk)
> > > Mixmonitor is invoked by Person A in the outbound context and
> > > AUDIOHOOK_INHERIT(MixMonitor)=yes is also set
> > > Person a transfers Person B to Person C (another asterisk peer)
> > > Person A is no longer involved in the call and the call is bridged
> > > between Person B and Person C
> > > 
> > > The call recording stops as soon as Person A hangs up, even though
> > > AUDIOHOOK_INHERIT is set
> > > 
> > > Is there any way we can get the entire call recorded in one file?
> > > 
> > > Thanks in advance
> > > 
> > > Ish
> 
> Ish:
> 
> Leif had a pretty good explanation of why AUDIOHOOK_INHERIT behaves this
> way in the comments of ASTERISK-16013.  I'll quote it here:
> 
> "Well I just tested this scenario. ... after a bit of testing I determined the
> scenarios.
> 
> Working:
> 
> * Party A places a call to Party B
> * Party B places an attended transfer to Party C
> * Party A and C are not talking
> * Call recording works as expected
> 
> Not working:
> 
> * Party A places a call to Party B
> * Party A places an attended transfer to Party C
> Call recording works up to this point – the recording of the conversation
> between Party A and Party B, and the portion of the conversation between Party A
> and Party C is recorded
> * Party A now hangs up
> * Call recording is now stopped
> * Party B and Party C are now speaking (unrecorded)
> 
> To me, this is actually the intended and expected behavior. The 
> AUDIOHOOK_INHERIT() function is executed on the channel created by Party A, and 
> thus the call recording is going to follow Party A around when it is transferred
> around the system.
> 
> However, once Party A is kicked out of the conversation (i.e. they hangup) then
> the call recording stops because that is the channel the recording is associated
> with."
> 
> Note that if you read the scenario description of AUDIOHOOK_INHERIT at
> https://wiki.asterisk.org/wiki/display/AST/Function_AUDIOHOOK_INHERIT, the
> function works in the transfer scenarios where the called party initiates the
> transfer, not the callee.
> 
> For your scenario, you could try setting the MixMonitor on the called party
> channel as opposed to the callee channel, using one of the Dial GoSub/Macro
> options (U,M,b).
> 
> https://wiki.asterisk.org/wiki/display/AST/Asterisk+11+Application_Dial
> 
> Note that Macro is deprecated in more recent versions of Asterisk, and the 'b'
> option will only be available in Asterisk 11.
> 

Thank you for the hints at the end, using the M option has sorted my
issue out

Ish

-- 
Ishfaq Malik <ish at pack-net.co.uk>
Department: VOIP Support
Company: Packnet Limited
t: +44 (0)845 004 4994
f: +44 (0)161 660 9825
e: ish at pack-net.co.uk
w: http://www.pack-net.co.uk

Registered Address: PACKNET LIMITED, 2A ENTERPRISE HOUSE, LLOYD STREET
NORTH, MANCHESTER
SCIENCE PARK, MANCHESTER, M156SE
COMPANY REG NO. 04920552