RouterTech • View topic – VOIP ( SIP ) with Speedtouch 516v6 6.2G FIXED the answer is the following Line Command :connection unbind application=SIP port=5060 :service host add name=VoIP mode=server :service host rule add name=VoIP protocol=udp baseport=5060 portrange=5060-5061 :service host rule add name=VoIP protocol=udp baseport=16384 portrange=16384-16482 :service host assign name=VoIP host=192.168.1.2 log=disabled :nat tmpladd intf=Internet type=nat outside_addr=0.0.0.1 inside_addr=192.168.1.2 protocol=udp :saveall :system reboot then having the ATA Device on ip 192.168.1.2 Thanks for all your help Ian W viaRouterTech • View topic – VOIP ( SIP ) with Speedtouch 516v6 6.2G.