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SMS, Packet service and multiplexing

DISCUSSION Jean-Christian de Rivaz 4 participants 6 messages May 13, 2009

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#0 lore raw

Hi,

After taking a overview of the code, I cannot found how SMS and packet service are handled. Using packet service will require some multiplexing as I understand.

Regards,

Jean-Christian de Rivaz

#1 lore raw

Hi,

Quoted 3 lines · On Wednesday 13 May 2009 12:51:11 Jean-Christian de Rivaz wrote:

Hi,

After taking a overview of the code, I cannot found how SMS and packet

oFono is by no means a finished product, there are plenty of areas that are still not finished, SMS being one of them. We're actively working on SMS at the moment. Some initial SMS utilities were pushed out yesterday.

Quoted 2 lines

service are handled. Using packet service will require some multiplexing as I understand.

Again, this is not yet supported in oFono, patches and ideas are welcome.

Quoted 8 lines

Regards,

Jean-Christian de Rivaz
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Regards,
-Denis

#2 lore raw

Hi,

Quoted 6 lines · Denis Kenzior
Quoted 1 line · On Wednesday 13 May 2009 12:51:11 Jean-Christian de Rivaz wrote:

After taking a overview of the code, I cannot found how SMS and packet

oFono is by no means a finished product, there are plenty of areas that are still not finished, SMS being one of them. We're actively working on SMS at the moment. Some initial SMS utilities were pushed out yesterday.

I see it now after a git pull. Thanks.

Quoted 4 lines
Quoted 2 lines

service are handled. Using packet service will require some multiplexing as I understand.

Again, this is not yet supported in oFono, patches and ideas are welcome.

I work on a project where we use a Wavecom modem. We chose to use a second serial line to handle the PPP stream. If Ofono have working SMS and packet service multiplexing, we will probably evaluate it use into a next revision of the project product so we can save a serial line.

Regards,

Jean-Christian de Rivaz

#3 lore raw
Quoted 5 lines

I work on a project where we use a Wavecom modem. We chose to use a second serial line to handle the PPP stream. If Ofono have working SMS and packet service multiplexing, we will probably evaluate it use into a next revision of the project product so we can save a serial line.

Freesmartphone.org does have a 07.10 (27.010) Multiplexer that does the trick of multiplexing.

http://git.freesmartphone.org/

Best regards,
Mikkel Christensen

#4 lore raw

Hi Mikkel,

Quoted 6 lines
Quoted 4 lines

I work on a project where we use a Wavecom modem. We chose to use a second serial line to handle the PPP stream. If Ofono have working SMS and packet service multiplexing, we will probably evaluate it use into a next revision of the project product so we can save a serial line.

Freesmartphone.org does have a 07.10 (27.010) Multiplexer that does the trick of multiplexing.

we are looking at an option to finally put such a multiplexer into the kernel (where it belongs). The userspace solution generates too many context switches and introduces latency when we are connecting via EDGE or UMTS and shuffle a lot of data over that line.

Regards

Marcel

#5 lore raw
Quoted 8 lines
Quoted 2 lines

Freesmartphone.org does have a 07.10 (27.010) Multiplexer that does the trick of multiplexing.

we are looking at an option to finally put such a multiplexer into the kernel (where it belongs). The userspace solution generates too many context switches and introduces latency when we are connecting via EDGE or UMTS and shuffle a lot of data over that line.

Putting it into the Kernel is a great idea and will improve performance especially when we move to the higher data rates of HSPA. Looking forward to see it.

Best regards,
Mikkel