I am new to VoIP so apologize if this is a dump question
I want to accept a traditional telephone call (FXO) channel and based on the callers extension selection I want to switch the call to set of GSM mobile phones and some extensions inside the office.
Hypothetical scenario will be like this, - Person A dials our landline number - Voice interface advice user to dial 111 to contact John and 222 to contact Mary. - If caller dials 111, call will be connected to John's mobile phone through GSM gateway - If user dials 222 it should dial the office phone that belongs to Mary - In case John or Mary are unreachable, call should go to voicemail box
Can anybody give me some instructions to get this done?.
What I am currently thinking is to use D-link DVX-2005F to accept the FXO and switch to GSM using D-link DVG-6008G GSM gateway. Will it be possible?
Thanks in advance!