iSecretary is one really nice working answering machine for Your Windows Mobile Pocket PC.
Features
- lifts the handset automatically when the preset time expires;
- plays the file to the caller;
- records your caller's message within the limits of preset time and hangs up;
- contact list filter (choose an individual wav for each contact or group of contacts);
- ignore list;
- compatible with speakerphone (for PDA which can not work with signal in line);
- autoload after SoftReset;
- speakerphone volume control;
- microphone control (its work with some PDA, For example: ASUS P525);
- black list, reject ringing (filtering by phone number);
- notify system;
- task bar icon;
- Events system, send sms or voice message by rules;
- Emulate sound around you.

Getting, installing
To use it you just need to download, unRAR it with, say, WinRAR, transfer the contents of it to your Pocket PC.
Getting, installing
(!) crash fixed with PerfectWave on some devices.
(!) now if you delete event, the wav file for this event also wil be deleted.
(+) play/stop wave for added events.
(+) new rule, "other w/o rules"
(+) now in events system can be added, a mobile telephone number from contats list.
for more information check the developer
web site