PoC: Short Message Service Center (SMSC) over SIGTRAN
...It uses following protocol stack:
MAP (moForwardSM and mtForwardSM)
TCAP (Begin with Invoke + End with ReturnResultLast)
SUA (SCCP User Adaptation): ASP UP/ASP ACTIVE + ACK's and CLDT messages only
SCTP (Linux Kernel - SCTP implementation)
IP
Current implementation is tested in SAMK NGN [http://www.samk.fi/ngn] laboratory's 3G mobile network (real Nokia MSC/VLR network hardware with UTRAN RLC and node-B).
Thesis URL: http://urn.fi/URN:NBN:fi:amk-2013052210011
Implementation Of Cognitive Radio Using USRP And OpenBTS
This Program written by C++ to add Cognitive Radio Module to OpenBTS program (GSM Network) With USRP V1 to allow it to scan Spectrum band of GSM and choose the best available channel of bandwidth 200 kHz and use it in OpenBTS Program
A wxWindows based IAX client utilizing the phonecore module with support for Digium's S100U/P and Quicknet PhoneJack, along with just a plain ole regular sound card.