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Re: several sms-es needed by smsd when using special characters in outbo

From: Daniele Forsi
Subject: Re: several sms-es needed by smsd when using special characters in outbound message
Date: Thu, 22 Nov 2012 15:25:16 +0100

2012/11/22 alonso acuña:
> Note the debug output below. If I send a message that contains an "á". It
> takes 3 sms to send it. But it can be sent in one when using "a". Of the 3
> resulting sms only one contains the special character but all of them are
> sent with UCS-2. I wonder if this is the expected behaviour

it is expected since libgnokii uses one single buffer and converts it at once

> and whether
> there is something I could do to reduce the amount of sms needed (besides
> not using special chars).

if the received message is to be displayed on a standard phone there's
nothing you can do with the current libgnokii, I don't know if
compression could help but it isn't implemented in libgnokii

AFAICT the standard doesn't allow for different encoding in each part
because we would need to change TP-DCS, but it says:

"The TP elements in the SMS-SUBMIT PDU, apart from TP-MR, TP-SRR,
TP-UDL and TP-UD, should remain unchanged for each SM which forms part
of a concatenated SM, otherwise this may lead to irrational

ETSI TS 123 040 V10.0.0 (2011-04) section Concatenated Short Messages

Daniele Forsi

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