[asterisk-users] Grandstream Early Dial

[Richard Mudgett]

On Thu, Feb 18, 2016 at 2:42 PM, Jean-Denis Girard <jd.girard at sysnux.pf>
wrote:

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> Hi list,
>
> I've been using Grandstream phones for more than 10 years, but only
> yesterday tried to use Early Dial... and I failed. What is needed on the
> Asterisk side to reply 484 to INVITE? Phones are talking to chan_pjsip
> on Asterisk-13.7.1.
>

Look into the Incomplete application.
https://wiki.asterisk.org/wiki/display/AST/Asterisk+13+Application_Incomplete

Richard
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