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- 04-19-2008, 01:13 PM #1John PhillipsGuest
Using an Optus SIM (actually Soul Communications).
SMS is limited to 160 characters since I changed phones (Palm Treo 650
to Palm Centro).
Previously on the 650, 160 characters x 3.
Is this a device setting, or operator setting?
› See More: SMS limitation question
- 04-19-2008, 01:32 PM #2Rod SpeedGuest
Re: SMS limitation question
John Phillips <[email protected]> wrote:
> Using an Optus SIM (actually Soul Communications).
> SMS is limited to 160 characters since I changed
> phones (Palm Treo 650 to Palm Centro).
> Previously on the 650, 160 characters x 3.
> Is this a device setting, or operator setting?
Its obviously not an operator setting if you are using the
same sim with two different results in two different devices.
- 04-19-2008, 01:37 PM #3John PhillipsGuest
Re: SMS limitation question
On Sun, 20 Apr 2008 05:32:22 +1000 "Rod Speed"
<[email protected]> wrote:
> > Is this a device setting, or operator setting?
>
> Its obviously not an operator setting if you are using the
> same sim with two different results in two different devices.
Perhaps they sent down a SIM "upgrade"?
- 04-19-2008, 03:11 PM #4Rod SpeedGuest
Re: SMS limitation question
John Phillips <[email protected]> wrote
> Rod Speed <[email protected]> wrote
>> John Phillips <[email protected]> wrote:
>>> Using an Optus SIM (actually Soul Communications).
>>> SMS is limited to 160 characters since I changed
>>> phones (Palm Treo 650 to Palm Centro).
>>> Previously on the 650, 160 characters x 3.
>>> Is this a device setting, or operator setting?
>> Its obviously not an operator setting if you are using the
>> same sim with two different results in two different devices.
> Perhaps they sent down a SIM "upgrade"?
Trivial to check that remote possibility by putting it back in the Treo again etc.
Bet they didnt.
- 04-19-2008, 03:40 PM #5John HendersonGuest
Re: SMS limitation question
John Phillips wrote:
> Using an Optus SIM (actually Soul Communications).
>
> SMS is limited to 160 characters since I changed phones (Palm
> Treo 650 to Palm Centro).
>
> Previously on the 650, 160 characters x 3.
A minor point, but a single unsplit message is limited to 160
chars whereas the parts of a split message are limited to 153
chars each (limited by referencing overheads).
> Is this a device setting, or operator setting?
For whatever reason, it's the device that's not playing ball.
The operator doesn't care (but more message parts = more
profit).
The device does the splitting into individual message parts (and
the cross-referencing), and submits each part to the operator
as a complete and separate PDU-encoded payload. Checking for
well-formedness by the operator will be very rudimentary. The
receiver reassembles the long message (if it's smart enough to
do so) according to the referencing info in the parts' headers.
There's inconclusive discussion about this Treo issue, eg here:
http://tinyurl.com/5mdl6t
There's some talk there about different SIMs affecting some
Treo's willingness to accept and split long messages.
Technically, this makes no sense to me (unless the SIM's SMS
storage capacity is near-full perhaps). But you might want to
experiment. I'd be interested in any findings.
John
- 04-19-2008, 04:18 PM #6John PhillipsGuest
Re: SMS limitation question
On Sun, 20 Apr 2008 07:40:25 +1000 John Henderson
<[email protected]> wrote:
> There's inconclusive discussion about this Treo issue, eg here:
> http://tinyurl.com/5mdl6t
Thanks, I have posted there with inconclusive results; I will try Palm
service.
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