The P6 Man-in-the-Middle GSM interception system is a smartened-up version of a GSM IMSI Catcher. Not only does it support all the normal features of a GSM IMSI catcher but it also supports interception and manipulation of calls and SMS.
Interception of up to 8 simultaneous calls (larger configurations supported).
Generate fake calls from and to captured devices.
Automatic MSISDN extraction.
Eavesdropper feature- allows recording through a handset’s microphone after the call has been terminated.
Edit SMS sent and received by captured phones.