OpenBSC March 2014

openbsc@lists.osmocom.org

27 participants
70 discussions

by Sahil Gupta

Hi there, I'm fairly new to the mobile world and am still coming to terms with a whole new world of terminologies. The project is to test out a theory in my lab before wanting to scale this at a larger level for commercial purposes. The intent is to be able to have roaming available with a roaming aggregator in the United States with a small-scale mobile network enabled using OpenSource software. We are probably looking at implementing no more than 15 BTS's nationwide to attract roaming customers at high traffic locations. Our roaming aggregator would like us to send them MAP SS7 Messages from our MSC. My understanding of the requirements so far are: 1 x BTS (this could be a PC with some radio cards or something like a nanoBTS) 1 x MSC/BSC/VLR We won't be issuing any sim cards on our own network in the long run and hence I don't see the point in us having a unique HLR. Are there any gurus here that would be willing to share their intelligence? -- Thanks, Sahil -- Thanks, Sahil

11 years, 6 months

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11 years, 6 months

Implement gsm340_{gen_,}scts() without using tm_gmtoff

by Daniel Willmann

Hello, this patch series depends on two patches from Alexander (once they sign handling is fixed): sms: Fix gsm340_scts() to correctly decode absolute valid times. sms: Fix support of negative timezone offsets in gsm340_gen_scts(). The first patch adds a test case to check that gsm340_scts is the inverse of gsm340_gen_scts. The next patches add a helper function to calculate the gmt offset and use those in the *_scts functions. The helper function is somewhat ugly, but it is the only portable way I could find to get the GMT offset. Ideas welcome Regards, Daniel -- - Daniel Willmann <dwillmann(a)sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Schivelbeiner Str. 5 * 10439 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Directors: Holger Freyther, Harald Welte

11 years, 6 months

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11 years, 6 months

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11 years, 6 months

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11 years, 6 months

[PATCH 6/6] sms: Fix gsm340_scts() to correctly decode absolute valid times.

by Alexander Chemeris

- Support negative timezone offsets decoding. - Correctly account timezone offset and artificial offset mktime() introduces. -- Regards, Alexander Chemeris. CEO, Fairwaves, Inc. / ООО УмРадио https://fairwaves.co

11 years, 6 months

[PATCH 5/6] sms: Fix support of negative timezone offsets in gsm340_gen_scts().

by Alexander Chemeris

-- Regards, Alexander Chemeris. CEO, Fairwaves, Inc. / ООО УмРадио https://fairwaves.co

11 years, 6 months

[PATCH] sms: Proper decoding and storage of SMS validity period.

by Alexander Chemeris

- Use time_t instead of abstract minutes to store validity time to make sure we support all possible values. - Return UNIX time from it to support both relative and absolute expire times. - Pass a current time to gsm340_validity_period() to compute the absolute expire time if a relative time is specified. What time is "current" is to b - We also introduce SMS_DEFAULT_VALIDITY_PERIOD macros to reduce number of magic values. PS This is a first patch of a series of patches which fix SMS validity time decoding. I'm cleaning the patch set and want to see if this patch is fine, as other patches rely on it. -- Regards, Alexander Chemeris. CEO, Fairwaves, Inc. / ООО УмРадио https://fairwaves.co

11 years, 6 months

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11 years, 6 months

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OpenBSC March 2014