Hi Fred, On 02/23/2011 12:24 PM, Joly, Frederic wrote: > Hi Denis, > >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On >> Behalf Of Denis Kenzior >> Sent: Wednesday, February 23, 2011 5:50 PM >> To: [email protected] >> Cc: [email protected] >> Subject: Re: [PATCH] atmodem: CEREG support for LTE network status >> reporting in AT modem >>> After discussing internally with Fred Joly I would like to come back >> on the 4 properties : >>> - Suspended is applicable in LTE in case of CS Voice Call using CSFB >> >> My understanding was that CS Fallback physically switches technologies. >> It is not 'suspending' LTE like it does with GPRS. Am I wrong on this >> one? > > I would say yes. :) > In case you are obliged to fallback from 4G to 2G without support of DTM, > exaclty like in GPRS.
>From what I understood you physically lose the EPS network registration and fall back to 3G / 2G. How is this the same as the suspended property where your attached status does not change? > >> >> Perhaps, but again we have no control of the attach procedure with LTE. >> So the implementation has to rely on vendor specific radio settings. >> Same arguments about shoehorning logic apply here. > > I'm a bit puzzled by this statement. It is not specific to LTE, but related > to +CFUN proprietary implementation against +COPS or +CGATT usage, isn't it? > The current GPRS logic is controlled with the equivalent of CGATT. This is a well-defined command by 3GPP, but it is not applicable to EPS domain. It is applicable only to PS domain, correct? If so, then the powered property does not map to LTE at all. Your proprietary CFUN/COPS map to the TechnologyPreference setting in RadioSettings. Regards, -Denis _______________________________________________ ofono mailing list [email protected] http://lists.ofono.org/listinfo/ofono
