In addition to GSM Protocol Analyzer for all GSM protocols, GSM Protocol Test Suite comprises Protocol Emulators that can emulate GSM A, Abis, MAP, CAP, and INAP interfaces over both TDM and IP transport. MAPS™ MAP supports various procedures emulating MSC (VLR), HLR, EIR, and SMSC entities and H, C, D, E, F interfaces in network. Product also supports send/receive SMS simultaneously using signaling channel with voice/data/fax service over GSM network.