Ping-SMS is a specially generated binary SMS message that is not displayed in the recipient's phone and is designed to check subscriber numbers for real-time availability.
This function is available only for premium accounts and for each SMS is written off for 10 minutes from the premium!

Updating the application SemySMS

Version 2.6.5 (47)
1. Optimizing
2. Fixing the incoming calls
3. Added detection of caller ID from your contact database semysms
4. Bug Fixes