[asterisk-users] asterisk-users Digest, Vol 72, Issue 81

[Nasir Javaid]

 thanks for your reply but i did not meant that. ${CALLERID(DNID)} will
return then number which i don't want. what i want is channel-id like if we
have a user named "nasir", then we dial it as follows

Dial(SIP/nasir)

but actual channel-id that asterisk uses is something like " nasir-2b487e9".
and on the asterisk cli we can check this when call is answered or hangup,
asterisk attaches some random id with username.

i am dialing sip uri using "Dial(SIP/119.26.18.235:5062)" which causes
changed INVITE adn TO headers, so i want to get the channel-id that asterisk
internally uses do dial it.

if we use ChanIsAvail(SIP/nasir) or ChanIsAvail(SIP/192.168.0.10:5062) this
works on Local LAN and it returns "SIP/192.168.0.10:5062-3fe934f4" , but
when asterisk is on Live Ip and users are behind Router then this function
gives error of unknow host. so i want to know if there is any other function
that does this job.

so what is want is to get this channel-id ( like nasir-2487e9) and dial it
like

 Dial(SIP/nasir-2487e9) or Dial(SIP/119.26.18.235:5062-34e984b)"

hope this clears what i wanna do.




> Message: 8
> Date: Thu, 29 Jul 2010 10:37:07 -0500
> From: "Danny Nicholas" <danny at debsinc.com>
> Subject: Re: [asterisk-users] How to extract channel-id of a user or
>        peer
> To: "'Asterisk Users Mailing List - Non-Commercial Discussion'"
>        <asterisk-users at lists.digium.com>
> Message-ID: <201007291515.o6TFFv8t025793 at mail.debsinc.com>
> Content-Type: text/plain; charset="us-ascii"
>
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Nasir Javaid
> Subject: [asterisk-users] How to extract channel-id of a user or peer
>
> my question is how can i get channel-id of a user or peer. I tried using
> ChanIsAvail(username). this works correctly when user and asterisk are on
> Local LAN. But my asterisk server is on public ip and users are behind nat,
> and so this method says unknow host when used on public asterisk server.
> I also tried built-in variable ${CHANNEL}, but this returns the channel-id
> of the calling channel. but i want channel-id of called user.
>
>
> --------------------------------------
> perhaps ${CALLERID(DNID)}
>
>
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