Hello,
In our country at Madagascar , operator could send message on phone with MISDN like a string not like a number. I would like to ask if it's possible to do the same thing with osmo-bts !!!
For example : They could send message with the phone and the identity on the phone is like : "Telma", "Mvola", "orangeinfo" ...with a samsung phone I could not call this identity and with tecno phone, it shows that the number is for the MISDN "telma" is 83562 and for the MISDN "Mvola" is 68652 .... The logic of this number on tecno is that , it the number on the touchscreen of the old phone without the repetition of the tape of the touch. in this, 2=abc and 3=def and 4=ghi and 5=jkl and 6=mno and 7=pqrs and 8=tuv and 9=wxyz.
My last goal is to send a message with a phone on the network (osmo-bts) and it's my that appears on the destinary.
chears,
Hi,
I am trying to program a USIM that I bought from aliexpress- piswords store.
I think I need to have ADM pin to program the cards. Is it really necessary for piswords cards, do you have any experience? If so how did you get ADM pin?
They sent me an ADM of 16 digits : 3838383838383838
However I think that it should be 8 digits. I tried 8 first 8 digits and it did not work
I asked them to send me correct ADM .
Do you have any experience regarding piswords cards?
Any help is much appreciated.
Regards,
Cagri SENKAL
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Hey Osmocom,
I am working to test hrAMR codec with osmo-bts-oc2g but it doesn't seem the correct TCH/F frame type is being activated:
<0000> ../../../osmo-bts/src/common/rsl.c:2805 (bts=0,trx=0,ts=1,pchan=TCH/F_TCH/H_PDCH as PDCH) ss=0 Rx RSL CHAN_ACTIV
<0000> ../../../osmo-bts/src/common/amr.c:105 AMR Multirate with 6 modes len=2 not possible
<0000> ../../../osmo-bts/src/common/rsl.c:1159 (bts=0,trx=0,ts=1,ss=0): chan_nr=TCH/H(0) on TS1 type=0x01 mode=SPEECH_AMR
<0006> ../../../osmo-bts/src/common/l1sap.c:1471 activating channel chan_nr=TCH/H(0) on TS1 trx=0
<0006> ../../../osmo-bts/src/osmo-bts-oc2g/oml.c:937 (bts=0,trx=0,ts=1,ss=0): lchan2lch_par tch_mode=0x41
<0006> ../../../osmo-bts/src/osmo-bts-oc2g/oml.c:1083 (bts=0,trx=0,ts=1,ss=0) MPH-ACTIVATE.req (hL2=0x000100bb, TCH/H TxDL)
<0006> ../../../osmo-bts/src/osmo-bts-oc2g/oml.c:822 (bts=0,trx=0,ts=1,ss=0) MPH-ACTIVATE.conf (TCH/H TxDL)
<0006> ../../../osmo-bts/src/osmo-bts-oc2g/oml.c:833 Error activating L1 SAPI TCH/H on TS 1: Invalid parameter
<0006> ../../../osmo-bts/src/osmo-bts-oc2g/oml.c:1109 (bts=0,trx=0,ts=1,ss=0) act failed mark broken due status: -4
<0006> ../../../osmo-bts/src/common/l1sap.c:623 activate confirm chan_nr=TCH/H(0) on TS1 trx=0
<0000> ../../../osmo-bts/src/common/rsl.c:787 (bts=0,trx=0,ts=1,ss=0): Sending Channel Activated NACK: cause = 0x25
Frame 202: 101 bytes on wire (808 bits), 101 bytes captured (808 bits) on interface 0
Linux cooked capture
Internet Protocol Version 4, Src: 10.42.0.1, Dst: 10.42.0.50
Transmission Control Protocol, Src Port: 3003, Dst Port: 51480, Seq: 90, Ack: 206, Len: 33
IPA protocol ip.access, type: RSL
Radio Signalling Link (RSL)
0000 100. = Message discriminator: Dedicated Channel Management messages (4)
.... ...0 = T bit: Not considered transparent by BTS
.010 0001 = Message type: CHANnel ACTIVation (0x21)
Channel number IE
Activation Type IE
Channel Mode IE
Channel Identification IE
BS Power IE
MS Power IE
Timing Advance IE
MultiRate configuration IE
Element identifier: MultiRate Configuration (0x36)
Length: 2
001. .... = Multirate speech version: Adaptive Multirate speech version 1 (1)
...0 .... = NSCB: Noise Suppression Control Bit: Noise Suppression can be used (default) (0)
.... 1... = ICMI: Initial Codec Mode Indicator: The initial codec mode is defined by the Start Mode field (1)
.... ..00 = Start Mode: 0
0... .... = 12,2 kbit/s codec rate: is not part of the subset
.0.. .... = 10,2 kbit/s codec rate: is not part of the subset
..1. .... = 7,95 kbit/s codec rate: is part of the subset
...1 .... = 7,40 kbit/s codec rate: is part of the subset
.... 1... = 6,70 kbit/s codec rate: is part of the subset
.... .1.. = 5,90 kbit/s codec rate: is part of the subset
.... ..1. = 5,15 kbit/s codec rate: is part of the subset
.... ...1 = 4,75 kbit/s codec rate: is part of the subset
I am trying to understand how codec negotiation is performed, and whether this is a bug or mis-configuration.
I've attached the BTS pcap and configurations that are being used.
Thanks,
Omar
> If yes, can it [silent call] be done in OpenBSC or any such way
> exists to do this or any other alternative does exists?
Please check out http://ftp.osmocom.org/docs/latest/, you can find
OsmoNiTB / OsmoMSC user manuals there. Silent call feature is
supported, but not documented. Feel free to contribute!
With best regards,
Vadim Yanitskiy.
Hello Michael,
> I have tried changing the session state to
> `OSMO_GSUP_SESSION_STATE_CONTINUE`, and the gsup_msg_type to
> `OSMO_GSUP_MSGT_PROC_SS_REQUEST` in `euse_tx_ss`. I see the “You
> sent…” response on my phone, but do not get an input field.
Since GSUP is used as the transport layer for encoded USSD payload,
changing GSUP header fields wouldn't change the payload itself.
In other words, what you are doing is correct, but additionally
you need to change the message itself. The current code is using
gsm0480_gen_ussd_resp_7bit() function from libosmocore, where
you can find the following:
// ...
/**
* Here you should change GSM0480_OP_CODE_PROCESS_USS_REQ
* to GSM0480_OP_CODE_USS_REQUEST (see GSM 04.80).
*/
/* Pre-pend the operation code */
msgb_push_TLV1(msg, GSM0480_OPERATION_CODE,
GSM0480_OP_CODE_PROCESS_USS_REQ);
// ...
/**
* ...
* Here you should change GSM0480_CTYPE_RETURN_RESULT
* to GSM0480_CTYPE_INVOKE (see GSM 04.80).
*/
/* Wrap this up as a Return Result component */
msgb_wrap_with_TL(msg, GSM0480_CTYPE_RETURN_RESULT);
so it makes sense to introduce a new function. Moreover, you
should take care about InvokeID, it should uniquely identify
each request-response pair in the following way:
msc {
MS [label="Subscriber"], EUSE [label="SS/USSD handler"];
MS => EUSE [label="GSM0480_OP_CODE_PROCESS_USS_REQ,
GSM0480_CTYPE_INVOKE, invokeID=X"];
EUSE => MS [label="GSM0480_OP_CODE_USS_REQUEST,
GSM0480_CTYPE_INVOKE, invokeID=X+1"];
MS => EUSE [label="GSM0480_OP_CODE_USS_REQUEST,
GSM0480_CTYPE_RETURN_RESULT, invokeID=X+1"];
EUSE => MS [label="GSM0480_OP_CODE_PROCESS_USS_REQ,
GSM0480_CTYPE_RETURN_RESULT, invokeID=X"];
}
I am using X because not all phones start counting from 0, and
this should be handled properly. X+1 is just an example, it can
be calculated in a different way, but in any case it should be
unique for the current stack of requests.
Keep us updated, good luck!
With best regards,
Vadim Yanitskiy.
Hi.
While browsing through the code I've noticed that BSSMAP is parsed
differently by OsmoBSC and OsmoMSC.
In MSC we use "msg->l3h = &msg->l2h[sizeof(struct bssmap_header)];" in
a_iface_bssap.c:707 and 202
In BSC we use "msg->l4h = &msg->l3h[sizeof(struct bssmap_header)];" in
osmo_bsc_bssap.c:988
What's the reason for this difference?
I thought that if protocol is the same than the basic layering and
parsing should look the same as well.
--
- Max Suraev <msuraev(a)sysmocom.de> http://www.sysmocom.de/
=======================================================================
* sysmocom - systems for mobile communications GmbH
* Alt-Moabit 93
* 10559 Berlin, Germany
* Sitz / Registered office: Berlin, HRB 134158 B
* Geschaeftsfuehrer / Managing Directors: Harald Welte
Hi all,
The demo EUSE application included with OsmoHLR [1] has been very
useful for understanding the flow of information during a USSD
session. I would like to extend it to request input from the user and
allow > 1 request/response.
I have tried changing the session state to
`OSMO_GSUP_SESSION_STATE_CONTINUE`, and the gsup_msg_type to
`OSMO_GSUP_MSGT_PROC_SS_REQUEST` in `euse_tx_ss`. I see the “You
sent…” response on my phone, but do not get an input field.
Can anyone advise if this is the correct general approach or point me
in the right direction? Thanks for your patience as I figure these
things out.
Best,
—Michael
[1] https://github.com/osmocom/osmo-hlr/blob/master/src/osmo-euse-demo.c
osmo-dev is my personal tooling for building and configuring Osmocom core net
components. Since osmith is also using it now and starting to send in patches
on gerrit, it is receiving some public attention.
Despite cosmetics I might have done differently if I were to rewrite it from
scratch, I do (obviously) like the way it works, and would welcome anyone else
to give it a spin, too. But I assume you have your own tooling anyway...?
So far only I have permission to +2 on gerrit for osmo-dev, I see it as my
private setup made available to others, so would retain the last say on it. But
it also increasingly becomes osmith's setup, so we can change permissions...
~N
Dear all,
I would like to get your input as to when we should schedule OsmoDevCon 2019.
NOTE: OsmoDevCon is our "for developers by developers" event, not to be confused
with OsmoCon, our public conference.
If we want to stay with the usual "Friday through Monday in April" arrangement,
we have the following options:
April 05-08, 2019
April 12-15, 2019
April 26-29, 2019
The one missing weekend in the list above is the easter weekend, which is probably
a good idea to exclude as flights and hotels are more expensive during that time,
and people might have other plans during holidays.
I would like to invite anyone planning to attend the Osmocom Developer Conference 2019
to participate in the poll at https://dudle.inf.tu-dresden.de/OsmoDevCon2019/ to
state their availability/preference. The Dudle only shows the first day of the four
days of OsmoDevCon.
Looking forward to your feedback so we can settle on a date soon. Thanks!
Kind regards,
Harald
--
- Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/
============================================================================
"Privacy in residential applications is a desirable marketing option."
(ETSI EN 300 175-7 Ch. A6)
Hi everyone,
is there some wiki entry / detailed description of how to properly set
up reporting to statsd for a set of given metrics (e.g. number of active
users / bytes sent per user) on a per component granularity?
Best regards,
Lars
