[Asterisk-Dev] PRI U2U display messages

[Alfred R. Nurnberger]

Hi,

OK, you are right with this - I looked it up on ETS 300 120-1

Well, how about User to User messages - they should be transmitted totally
transparent through the network.
Are there any subsets which are interpreted by ISDN / GSM phones in order to
be shown on their displays ?

best regards
Alfred R. Nurnberger
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-----Original Message-----
From: asterisk-dev-admin at lists.digium.com
[mailto:asterisk-dev-admin at lists.digium.com]On Behalf Of Klaus-Peter
Junghanns
Sent: Tuesday, June 29, 2004 1:19 AM
To: asterisk-dev at lists.digium.com
Subject: Re: [Asterisk-Dev] PRI U2U display messages


Hi,

you cannot send INFORMATION messages with DISPLAY IEs to the network.
However you can do that when you are the network (NT mode) and send them
to an ISDN pbx or ISDN phone.

The "please" hold on your gsm phone was triggered by the ISDN pbx
putting you on hold, so a NOTIFY message was passed through the network.
This also happens when you deflect or forward a call.

best regards

Klaus
--
Klaus-Peter Junghanns

CEO, CTO
Junghanns.NET GmbH
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Am Mo, 2004-06-28 um 22.51 schrieb Alfred R. Nurnberger:
> I ran a PRI DEBUG SPAN 1 on our office system.
> I could not see any FACILITIES messages on outgoing calls over the PRI.
> So I suppose * does not send any Caller Id name messages on outgoing pri
> calls.
>
> CNAME is just a subset of the generic user to user messaging on ISDN
> networks, so it should be possible
> to send characterset IE5  u2u messages and have them show up on other ISDN
> compatible phones.
> My first thought would  be GSM cellphones since The GSM standard is based
on
> ISDN.
> I think I remember to have had messages like "please hold" from a isdn-pbx
> in germany on my german gsm phone.
>
> Any comments on that ?
>
> - Alfred
>
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