[android-developers] Sending SMS while phone is ringing

Hi, I'm developing an application for Android 2.2 that should send an SMS immediately when the phone starts ringing (under UMTS/GSM). I'm using the android.telephony.SmsManager.sendTextMessage for sending the SMS. The app is working fine under the emulator, i.e. when I call the emulator phone

Re: [android-developers] Sending SMS while phone is ringing

This might be a limitation of UMTS / GSM, although I'm no expert here. You might want to Google for it - see if SMS messages use something that is also used by regular calls. I believe they do, since there is a setting (with a default value in the SIM card) for SMS message center or SMS