[asterisk-users] SIP 18x Messages

[Tim King]

I thought that was it and tried each setting and did not see any change on
the line.

On Wed, Oct 28, 2009 at 3:58 PM, Kevin P. Fleming <kpfleming at digium.com>wrote:

> Tim King wrote:
> > When I make an outbound call I hear a half of a ring and than silence
> > until the call opens up.
> >
> > It seems asterisk is sending a 183 after the 180 message. My CPE device
> > does not support multiple 18x messages in the same call setup.  When we
> > receive the 180 we present ring back to the phone, but when we receive
> > the 183 we get confused and stop the ring back tone, but do not open up
> > the early media path for the ring back to be played from the network.
> >
> > In Metaswitch the configuration knob to correct this is “Superfluous 18x
> > messages”, I don’t know what it takes to configure Asterisk that way.
> > Can anyone help with this.
>
> Check out the 'progressinband' configuration option.
>
> --
> Kevin P. Fleming
> Digium, Inc. | Director of Software Technologies
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
> skype: kpfleming | jabber: kpfleming at digium.com
> Check us out at www.digium.com & www.asterisk.org
>
>
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