i have tried to connect my asterisk server to vonage like this: Sip.conf: register => 1<yournumber>:<secret>@atlas-east.vonage.net:5060 [vonage] type=friend username=1<yournumber> secret=<secret> host=atlas-east.vonage.net port=5060 allow=all maxexpirey=15 dtmfmode=inband fromuser=1<yournumber> fromdomain=atlas-east.vonage.net canreinvite=no nat=yes context=default Extensions.conf: [default] exten => _1<yournumber>,1,Dial(SIP/111) and i tried port 5061 also instead of 5060 with no luck. When i look at the log messages from the CLI i get the message han_sip.c:3986 sip_reg_timeout: Registration for '1<yournumber>@atlas8.atlas.vonage.net' timed out, trying again Any clues? mohammed