. Other times I will get message from
SBC that the call has failed.
I suspect Asterisk did not give enough time for the
CO line to react to "Off-Hook" signal. Does anyone knows for sure? And if there
is any parameter to change the time somewhere?
First, I assume that you will be running NAT at
both locations, if that is not the case, then the configuration will
change.
When you said VPN, are you using PPTP or IPSEC?
Microsoft supports PPTP. In order to connect a PC over VPN to the office, which
has a PPTP VPN Server, you will need