Calypso Wireless WiFi/GSM/GPRS VoIP cellular phone tested

Calypso Wireless, Inc. has recently carried out a demonstration along with Ecutel, of its dual mode C1250i Wi-Fi/GSM/GPRS VoIP cellular phone. Calypso’s mobile phone, which uses the Microsoft VoIP SIP Client, was able to successfully interconnect with CISCO Systems networking equipment using Ecutel telephony network systems.