Inbound SIP calls through Cisco 881 NAT hang up after a few seconds
- by MasterRoot24
I've recently moved to a Cisco 881 router for my WAN link. I was previously using a Cisco Linksys WAG320N as my modem/router/WiFi AP/NAT firewall. The WAG320N is now running in bridged mode, so it's simply acting as a modem with one of it's LAN ports connected to FE4 WAN on my Cisco 881.
The Cisco 881 get's a DHCP provided IP from my ISP. My LAN…