I believe you want to use ${ENV(variable)}.. From asterisk's CLI: *CLI>show function ENV -= Info about function 'ENV' =-
[Syntax] ENV(<envname>) [Synopsis] Gets or sets the environment variable specified Note that ENV is a function...you need to encase the argument inside parentheses >-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On Behalf Of >Larry Alkoff >Sent: Wednesday, August 23, 2006 9:32 AM >To: Asterisk Users Mailing List - Non-Commercial Discussion >Subject: Re: [asterisk-users] How to set externip in sip.conf >automatically? > >As stated in the original post, when I entter the IP with an >editor directly into sip.conf calls work just fine but I am >looking for a way to have that done _automatically_. > >The Asterisk - Future of Telephony book says it is possible >for Asterisk to access a Linux environment variable containing >the IP information in the form of "${ENV{variable}}. > >It doesn't seem to work. I am asking how to make it work. > >Larry > >Watkins, Bradley wrote: >> If you already have the IP in a file, why don't you set it up so the >> file itself says: externip=xx.xx.xx.xx and then do a #include in >> sip.conf for the /etc/myip file? I believe you'll have to do a sip >> reload either way (which can obviously be part of your cron job) if >> you're not already, but that should do what you're looking to do. >> >> - Brad >> >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of Larry >> Alkoff >> Sent: Tuesday, August 22, 2006 9:34 PM >> To: Asterisk-users; Austin-asterisk-users >> Subject: [asterisk-users] How to set externip in sip.conf >automatically? >> >> I need to give Asterisk access to my external IP address >to prevent >> the NAT problem where caller cannot hear the callee's voice. >> >> According to Asterisk - The Future of Telephony page 92 Environment >> Variables: >> >> "Environment variables are a way of accessing Unix environment >> variables from within Asterisk. They are referenced in the form of >> ${ENV{var}} >> where var is the Unix environment variable you wish to reference." >> >> My external IP is placed each night in a file call /etc/myip and >> placed in the $MYIP variable by /etc/bashrc when an shell is loaded. >> >> So I have /etc/myip refreshed each night in a cron job and when a >> shell is opened /etc/bashrc does: >> export MYIP=`cat /etc/myip` >> >> To access the variable in sip.conf I have tried: >> >> externip=${ENV(EXTERNIP)} >> and >> ${ENV($EXTERNIP)} >> but neither seems to work. >> Is this the correct syntax? Did I misinterpret the book? >> >> I say neither seems to work because When I hard code >> externip=69.91.84.176 >> there are no NAT problems but when I try to access the $MYIP >variable >> either of the ways above NAT prevents me hearing the callee's voice. >> >> I have tried but not found a way to directly access the contents of >> MYIP to the console using the CLI. Is there a way to see or >set _any_ >> Linux enviromnent variable using the CLI? More generally, how do I >> access the Linux shell from the CLI? >> >> The problem with simply using >> externip=69.91.94.176 >> is that number is subject to change and I don't know an easy way to >> automatically write the value into sip.conf programatically. >> >> I could have just said "how do I do this" but wanted to show >that I've >> done my homework. >> Thanks for any help. >> >> Larry >> >> -- >> Larry Alkoff N2LA - Austin TX >> Using Thunderbird on Linux >> _______________________________________________ >> --Bandwidth and Colocation provided by Easynews.com -- >> >> asterisk-users mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-users >> >> The contents of this e-mail are intended for the named >addressee only. It contains information that may be >confidential. Unless you are the named addressee or an >authorized designee, you may not copy or use it, or disclose >it to anyone else. If you received it in error please notify >us immediately and then destroy it. >> _______________________________________________ >> --Bandwidth and Colocation provided by Easynews.com -- >> >> asterisk-users mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-users >> > > >-- >Larry Alkoff N2LA - Austin TX >Using Thunderbird on Linux >_______________________________________________ >--Bandwidth and Colocation provided by Easynews.com -- > >asterisk-users mailing list >To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users