Hi, I have two asterisk machines, chomper and otao. otao is otao.ieworks.net, has a public IP address (66.101.11.61), but no PSTN connections. chomper is at my house, behind NAT, but has a single X100P PSTN connection. I would like to establish two way calling between otao and chomper. Right now, I can call my extension on otao (2101) from my x-lite softphone on chomper, but I cannot call my extension (7101) on chomper from my sipura/hardphone on 2101 (Connected to otao). This is the error from otao: otao*CLI> -- Executing Dial("SIP/2101-02b8", "IAX2/chomper:SECRET@chomper/101|20|Tt") in new stack -- Called chomper:aragorn@chomper/101 Feb 21 11:25:25 WARNING[6894]: chan_iax2.c:5562 socket_read: Call rejected by 69.173.140.135: No authority found -- Hungup 'IAX2/chomper/16384' == No one is available to answer at this time -- Executing Playback("SIP/2101-02b8", "goodbye") in new stack -- Playing 'goodbye' (language 'en') -- Executing Hangup("SIP/2101-02b8", "") in new stack == Spawn extension (from-sip, 7101, 3) exited non-zero on 'SIP/2101-02b8' This is the error from chomper: Feb 21 11:25:25 NOTICE[23368]: chan_iax2.c:5449 socket_read: Rejected connect attempt from 66.101.11.61 What am I missing? I've read through the wiki on this exact topic and must be having a dense day ;) Links I have looked at: http://www.voip-info.org/wiki-Asterisk+-+dual+servers http://www.voip-info.org/wiki-Asterisk+config+iax.conf http://www.voip-info.org/wiki-Asterisk+iax+channels http://www.voip-info.org/tiki-index.php?page=IAX2 I've also googled for answers, but what I've found seems to be related to IAX clients, rather than asterisk to asterisk via IAX2. Anyway, thanks for the clues in advance. Darren Relevant configs below: otao:iax.conf ========[chomper] type=friend username=chomper host=dynamic ;secret=aragorn context=from-sip qualify=200 trunk=yes permit=0.0.0.0/0.0.0.0 otao:extensions.conf =============; 7101: Darren@chomper exten => 7101,1,Dial(IAX2/chomper:SECRET@chomper/101,20,Tt) exten => 7101,2,Playback(goodbye) exten => 7101,3,Hangup chomper:iax.conf ==========[general] register => chomper:SECRET@otao.ieworks.net ; ; VOIP * server on static IP [otao] type=friend host=otao.ieworks.net ;secret=aragorn context=from-sip qualify=200 trunk=yes permit=0.0.0.0/0.0.0.0 chomper:extensions.conf ===============[general] static=yes ; These two lines prevent the command-line interface writeprotect=yes ; from overwriting the config file. Leave them here. ; ; Set my info up. IAXINFO=chomper:SECRET DIALOUTANALOG=Zap/1 ; ; Extension 2101 is found on otao: exten => 2101,1,Dial(IAX2/${IAXINFO}@otao.ieworks.net/2101)