OpenBSC

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4315 discussions

isdnsync question
by Thomas Ansorg 02 Feb '11

02 Feb '11

hi list, have to sync one of my bs-11. got the hfc-s card and soldered the 2 wires. is any driver needed for the hfc-s? or is the clock always on c4io and f0io once the card is plugged in? the hfcmulti driver loads the e1 card, i have a bmask and a dmask parameter in modprobe.conf. should i remove them or just hang on the "type=0x00800"? i have only one try, so i want to clear all possible problems before T. -- Wer Rechtschreibfehler findet, darf sie behalten!

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An Enquiry
by piyush.bhardwaj＠wipro.com 02 Feb '11

02 Feb '11

Hi, Can You please help me how to setup a session - packet or CS call session and capture trace messages - protocol traces , Alarms, Performance Management Counters and CDR? It will be very kind of you if you help me in this issue. Regards, Piyush Please do not print this email unless it is absolutely necessary. The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com

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How to obtain one of these HSL 2.75G Femtocells?
by ste7an 01 Feb '11

01 Feb '11

This Femtocell looks both from a pricing point of view as from a hardware point of view very interesting. Now that the integration in OpenBSC looks very promising it would become a good alternative for the more expensive ip.access picocells. It seems that these HSL femtocell can not be bought without first investing in the developers pack from HSL which cost as much as 7000$. Does anyone know how to obtain one of these cells for a reasonable price? Are they already deployed by operators? Looking at the internal hardware, it may even become a substitute for the USRP's....

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nanoBTS for sale
by Martin Mayoral Zuloaga 29 Jan '11

29 Jan '11

2 nanobts for sale $ 1,500 usd each. Both $ 2,700

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please verify my multidrop-config
by Thomas Ansorg 24 Jan '11

24 Jan '11

hello list, i'd like you to go with me thru my setup of 2 bs11 and verify it. it looks like this: E1 E1 PC------BTS0------BTS1 let's begin with the bs11_config outputs bts0: LMT LOGON: ACK PHASE: 3 Normal MBCCU0: Load MBCCU1: No Load Abis-link: Restoring BS11 ATTRIBUTES: BS-11 ESN PCB Serial Number: 001104 BS-11 ESN Hardware Code Number: 135-2044/03.07 BS-11 ESN Firmware Code Number: 135-2044/03.07 PLL Set Value=1006, Work Value=1038 SITE MANAGER ATTRIBUTES: E1 Channel: Port=0 Timeslot=1 (Full Slot) TEI: 25 BS11 Line Interface ATTRIBUTES: PLL Mode: Standalone BS11 CCLK ATTRIBUTES: CCLK Accuracy: High (1) CCLK Type=0 BS11 Power Amplifier 0 ATTRIBUTES: TRX Power: 30mW (GSM) BPORT0 ATTRIBUTES: Line Configuration: Multi-Drop (1) BPORT1 ATTRIBUTES: Line Configuration: Multi-Drop (1) LMT LOGOFF: ACK and that's bts1: LMT LOGON: ACK PHASE: 3 Normal MBCCU0: Load MBCCU1: No Load Abis-link: Restoring BS11 ATTRIBUTES: BS-11 ESN PCB Serial Number: 001112 BS-11 ESN Hardware Code Number: 135-2044/03.03 BS-11 ESN Firmware Code Number: 135-2044/03.03 PLL Set Value=1073, Work Value=1073 SITE MANAGER ATTRIBUTES: E1 Channel: Port=1 Timeslot=17 (Full Slot) TEI: 25 BS11 Line Interface ATTRIBUTES: PLL Mode: Standalone BS11 CCLK ATTRIBUTES: CCLK Accuracy: High (1) CCLK Type=0 BS11 Power Amplifier 0 ATTRIBUTES: TRX Power: 30mW (GSM) BPORT0 ATTRIBUTES: Line Configuration: Star (0) BPORT1 GET ATTR NACK <--- do i have to worry about his? LMT LOGOFF: ACK here we go with openbsc.cfg. i use only trx0 of each bts. don't ask why i did something like this or like that, i just adapted the openbsc.cfg-file from the packet to my timeslots configured ! ! OpenBSC configuration saved from vty ! ! password foo ! line vty no login ! network network country code 262 mobile network code 10 short name Y-Phone long name Yodaphone handover 1 bts 0 type bs11 band GSM900 cell_identity 1 location_area_code 1 training_sequence_code 7 base_station_id_code 63 oml e1 line 0 timeslot 1 sub-slot full oml e1 tei 25 <-- i use tei 25 for the oml of bts1, too. correct? trx 0 arfcn 121 max_power_red 0 rsl e1 line 0 timeslot 1 sub-slot full <-- the same e1 timeslot for oml is used here for the ccch. rsl e1 tei 1 | correct? timeslot 0 | i'd say weird phys_chan_config CCCH+SDCCH4 | e1 line 0 timeslot 1 sub-slot full <-- timeslot 1 phys_chan_config TCH/F e1 line 0 timeslot 2 sub-slot 1 timeslot 2 phys_chan_config TCH/F e1 line 0 timeslot 2 sub-slot 2 timeslot 3 phys_chan_config TCH/F e1 line 0 timeslot 2 sub-slot 3 timeslot 4 phys_chan_config TCH/F e1 line 0 timeslot 3 sub-slot 0 timeslot 5 phys_chan_config TCH/F e1 line 0 timeslot 3 sub-slot 1 timeslot 6 phys_chan_config TCH/F e1 line 0 timeslot 3 sub-slot 2 timeslot 7 phys_chan_config TCH/F e1 line 0 timeslot 3 sub-slot 3 bts 1 type bs11 band GSM900 location_area_code 2 training_sequence_code 7 base_station_id_code 63 oml e1 line 0 timeslot 17 sub-slot full <-- harald told me line has to be 0, but i dont understand why. i configured 2 fragments on the misdn driver, with d-channel on ts 1 and 17, the rest b-channels. each fragment is a device,right? (0 and 1). Each device corresponds to a port in bs11_config and a line here, right ? oml e1 tei 25 <-- here again: all oml e1 teis identical? trx 0 arfcn 122 max_power_red 0 rsl e1 line 0 timeslot 17 sub-slot full rsl e1 tei 2 timeslot 0 phys_chan_config CCCH+SDCCH4 <--here we go with line(=port=id) 1, since fragment 2 starts ad device id 1 on e1 ts 17 as d-channel e1 line 1 timeslot 17 sub-slot full timeslot 1 phys_chan_config SDCCH8 e1 line 1 timeslot 18 sub-slot 1 timeslot 2 phys_chan_config TCH/F e1 line 1 timeslot 18 sub-slot 2 timeslot 3 phys_chan_config TCH/F e1 line 1 timeslot 18 sub-slot 3 timeslot 4 phys_chan_config TCH/F e1 line 1 timeslot 19 sub-slot 0 timeslot 5 phys_chan_config TCH/F e1 line 1 timeslot 19 sub-slot 1 timeslot 6 phys_chan_config TCH/F e1 line 1 timeslot 19 sub-slot 2 timeslot 7 phys_chan_config TCH/F e1 line 1 timeslot 19 sub-slot 3 and for the final: the output of bsc_hack during start: 2 devices found id: 0 Dprotocols: 00000018 Bprotocols: 0000000e protocol: 4 nrbchan: 14 name: hfc-e1.1-1 activate bchan activate bchan DB: Database initialized. DB: Database prepared. since line 1 isnt used for bts1 oml, only device id 0 with d-channel on ts 1 is activated. but im quite sure this is a mistake, i need 2 devices for 2 bts. right? this config dont work at all. bts1 not recognised, bts0 is recognised but cant handle calls. the handys are callable and ring, but no data is transmitted. please give me as much feedback as possible mni tnx T. -- Wer Rechtschreibfehler findet, darf sie behalten!

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how to create trx0?
by Thomas Ansorg 21 Jan '11

21 Jan '11

hello, my 2nd bs11 has no load on trx0. may someone give me a bit more detailed information than on openbsc.org how to create trx0? tnx in advance T. -- Wer Rechtschreibfehler findet, darf sie behalten!

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Re: State of the HSL Femtocell support
by Dakota C 19 Jan '11

19 Jan '11

>You would have to talk to the manufacturer and its distributors about >this. I have no commercial or other relationship with the manufacturer. I myself tried this route as I'm a student looking for an inexpensive way to work with OpenBSC, but... 1: they require a mutual shared NDA before they'll even talk prices; 2: they claim it REQUIRES their proprietary BSC software and thus you must purchase a femtocell developer kit including their A-bis specs and a bunch of stuff you don't need, inflating the price; and 3: they only offer their NDA to companies -- individuals and students need not apply. 4: ... but they DO ship internationally -- GSM1800 only. But looking at the /only/ price they mention - $7200 US for two femtocells and all the software -- why bother? You're better off buying two, maybe three NanoBTS for that price. And I also seem to question my own point #2 -- they first tell me "If you do want to use the HSL Femtocell with an alternative to the HSL BSC..." and then in the latest mail "... our femtocell is designed to be used with our own BSC" making it seem as if you're not supposed to be taking it elsewhere. Le sigh. -DC

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cellmgr_ng moved to GNU AGPLv3
by Holger Hans Peter Freyther 16 Jan '11

16 Jan '11

Hi all, I have moved the cellmgr_ng code to GNU AGPLv3 as well. I am going to land M2UA code, a simple STP tomorrow and also the linkset cleanups I have been doing.

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Perl SIGTRAN stack
by Duncan Salerno 16 Jan '11

16 Jan '11

Hi, Found a perl (!) SIGTRAN stack on the net, thought someone here might be interested. Includes a very basic HLR emulator and various other bits. Looks fairly easy to extend to send/respond to various GSM MAP messages, could be useful for testing. http://mtve.livejournal.com/13725.html http://frox25.no-ip.org/~mtve/wiki/SigTranSol.html Enjoy! Duncan

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cellmgr_ng on the way to a STP and MGW
by Holger Hans Peter Freyther 15 Jan '11

15 Jan '11

Hi all, the cellmgr_ng code has gained M2UA handling and is on the way that it could play the classic role of a Media Gateway (MGW) as of RFC3331, or a plain Signalling Transfer Point. Is someone interested in helping to finish that up and using it somewhere? regards holger

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