Hello, I'm using the u-blox driver with a LISA-U200 modem: the modem is correctly detected, registers to the network, connects to vodafone apn and browses Internet. My problem is that the VoiceCallManager and MessageManager interfaces are not exposed, and I need to send sms and make calls. $ ./list-modems [ /ublox_0 ] Features = net gprs sim Emergency = 0 Powered = 1 Lockdown = 0 Interfaces = org.ofono.NetworkRegistration org.ofono.ConnectionManager org.ofono.SimManager Online = 1 Model = LISA-U200 Revision = 22.40 Type = hardware Serial = 358901046388192 Manufacturer = u-blox [ org.ofono.NetworkRegistration ] Status = registered Strength = 20 Name = vodafone IT LocationAreaCode = 36031 Mode = auto MobileCountryCode = 222 Technology = hspa CellId = 10735182 MobileNetworkCode = 10 [ org.ofono.ConnectionManager ] Powered = 1 Attached = 1 Bearer = hspa Suspended = 0 RoamingAllowed = 1 [ org.ofono.SimManager ] Retries = [pin2 = 3] [puk2 = 10] [pin = 3] [puk = 10] MobileCountryCode = 222 FixedDialing = 0 SubscriberNumbers = PreferredLanguages = it en de fr sv BarredDialing = 0 CardIdentifier = 8939103100003792186 LockedPins = MobileNetworkCode = 10 SubscriberIdentity = 222107602654388 Present = 1 PinRequired = none I know that the driver was implemented for a SARA-U270 modem. Can someone help me? Thanks in advance, FabioT