From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============9179424202694235547==" MIME-Version: 1.0 From: Denis Kenzior Subject: Re: FYI: Emergency calls with MBM modem Date: Wed, 07 Jul 2010 10:47:45 -0500 Message-ID: <4C34A1A1.50006@gmail.com> In-Reply-To: List-Id: To: ofono@ofono.org --===============9179424202694235547== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi Pekka, On 07/07/2010 08:19 AM, Pekka Pessi wrote: > Hi all, > = > I just did some emergency calls in our lab with the Ericsson MBM modem > (3507g). The modem firmware has the voice calls enabled, even while > there is no audio input/output from the modem (as far as I know). > = > Main results are: > - emergency calls are not possible in offline mode (CFUN=3D4), ATD112; > returns NO DIALTONE That was expected, do we have a solution in mind on how to do emergency dialing in Offline mode? Is it a UI problem? > - emergency calls can be made without SIM card (but they require AT+CFUN= =3D1) That was again expected... > - most MBM modem functionality (AT+COPS, AT+CLCC does not work without SI= M card) The only one that can be triggered without a SIM card is AT+CLCC. However, please note that MBM should not be using CLCC, but instead its own vendor-specific voicecall extensions. > - emergency calls cannot be handled with usual AT+CHLD commands (e.g., > AT+CHLD=3D11 does not hang up emergency calls) That is a bit nasty, is there an assumption that every other call is hung up when an emergency number is dialed? > (ofono cannot hangup emergency call and it does not notice when it ends) > - emergency call gets number "112" and type 128 (unknown type of > number and numbering plan) Again, most likely because MBM uses its own voicecall extensions. Driving it with CLCC is wrong... > = > Please find attached log. I first made call to 99999 (an ordinary > service number within our lab network) then 118 (non-existing service > number) then 112 (emergency call). > = > The emergency call was terminated by callee around 02:58:52 (as you > can see, modem indicates it with +CIEV=3D8,0). These are Bluetooth Handsfree indicators btw, not typically used for driving a real modem... Regards, -Denis --===============9179424202694235547==--