Just put DT-24+ (Cisco Digital IP telephony Gateway) if you want a T1 connection to the US, a voice-enabled router on both ends. on Indian end, you need to put Cisco Callmanager to process the calls coming from the US or you can program the CallManager to foward it to Cisco IP IVR or AutoAttendant for initial prompt.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.