Call Block is a simple yet effective tool to block unsolicited incoming calls. Now you do not need to turn off your phone just to avoid unnecessary interruptions. Just leave it to Call Block to filter all your incoming calls and SMSes.Select the appropriate Call Block modes like block on, temporary block off or block all calls to suit different situations.Uses 'Background Blocking' method that does not interrupt your work while you use your phone. Conserve battery power without waking your phone from doze mode when blocking calls.Call Block also supports wildcard '*' pattern blocking. You can configure Call Block to filter out incoming calls beginning or ending with certain numbers.Features- Call Block Mode - Choose modes like 'Enable Call Block', 'Disable Call Block' or 'Block All'.- Auto Mode Switching (AMS) - Preset to automatically switch between Call Block modes at scheduled time.- Background Blocking (NEW!) - Silently block calls without interruption when you use your phone. Does not wake your phone unnecessarily when blocking calls.- Block List - User friendly block list maintenance. Lookup and add from Contacts database into block list.- Allow List - Add VIP numbers so that they can get in touch with you anytime regardless of Call Block Mode.- Group Blocking - Ability to block group of callers based on Contacts category.- Block Unknown Callers - Block incoming numbers not in your Contacts list.- Block Private Number - Option to block incoming calls with no identity.- Wildcard Number Blocking - Block incoming calls beginning or ending with pre-defined numbers.- Manage Block Caller's SMS - Choose to ignore or delete those annoying SMSes!- Personalized Ring/SMS Tones (NEW!) - Set customize Ring/SMS tones for individual caller or caller group and use tones to identify caller.- Icons Set (NEW!) - Use icons to quickly recognize block/allow settings.- Caller Identification - Choose to use Standard matching or Call Block's unique Precise matching function to accurately identify incoming call/SMS.- Block Notification (NEW!) - Get instant alert and/or LED notification on blocked calls.- Call Logging - View blocked calls detail so you know who and when the call was blocked.- Auto Start - Option to automatically start up Call Block after phone reset.- Compatiblity (NEW!) - Supported ringtone manager: Ringo and TreoGuard (for Treo 600/650/700p). Supported call recording software: CallRec and RecorderX. (Other ringtone manager and call recording software support: Please contact the developer for compatibility fix)