Hello,When I setup call forwarding on the SPA122, it does not make the call as a SIP call back to my voip server. It tries to call the number as if connected to a PSTN phone line (direct dial the number). What needs to be changed on the SPA to have i...

I am using a Cisco SPA122 ATA I have an intercom phone that dials my SIP phone number. When I press 5 to allow entry, the door does not unlock. I have tested with my friend, had him call me, when I press 5, my friend does not hear the tone. When I ca...