[asterisk-users] Call-leg stays on MusicOnHold forever

[Jorge Mendoza]

Andreas,

We can't help, but just to say that after 2 weeks of debugging, we have
found yesterday that the one way audio experienced by the agents some
times, is related to hold function.

Jorge Mendoza

Andreas Brodmann wrote:
> Hi
>
> I have a strange behaviour; perhaps someone who had a similar issue
> can help.
>
> I have an Asterisk-1.4.21.2 connected via sip trunk to a Cisco
> Call-Manager 6.1 cluster.
> Two phones/users from the Cisco environment call extensions on the
> Asterisk.
>
> Phone 1 / Call 1 is parked on the asterisk using:
> exten => xyz,1,Answer()
> exten => xyz,n,Set(PARKEXTENSION=555)
> exten => xyz,n,Park()
>
> Phone 2 / Call 2 is picking it up:
> exten => xyz,1,Answer()
> exten => xyz,n,ParkedCall(555)
>
> so far so good, they can talk to each other.
>
> Now if one of them presses Hold, Asterisk will:
>
> [Sep  5 14:16:05] VERBOSE[6351] logger.c:     -- Started music on
> hold, class 'default', on SIP/10.16.17.162-081bb720
> [Sep  5 14:16:05] VERBOSE[6351] logger.c:     -- Stopped music on hold
> on SIP/10.16.17.162-081bb720
> [Sep  5 14:16:05] VERBOSE[6351] logger.c:     -- Started music on
> hold, class 'default', on SIP/10.16.17.162-081bb720
>
> start - stop - start
> strange, but it works ...
>
> If the same user/phone now presses hold/resume so that they could
> talk to each other again Asterisk does:
>
> [Sep  5 14:16:07] VERBOSE[6351] logger.c:     -- Stopped music on hold
> on SIP/10.16.17.162-081bb720
> [Sep  5 14:16:07] VERBOSE[6351] logger.c:     -- Started music on
> hold, class 'default', on SIP/10.16.17.162-081bb720
>
> stops the music and starts it again ...
>
> now the guy who pressed hold at first can hear the other party, but
> the other party only hears music from Asterisk.
>
> Has anyone had a similar phenomenon?
>
> Regards,
>
> Andreas
>
>
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