tnelson at rockbochs.com
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 Posted: Thu Feb 28, 2008 4:56 pm Post subject: [asterisk-users] Simultaneous Inbound and Outbound calls on |
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Yes... this installation has a Sangoma A400D card fully populated. Thanks again.
Tim Nelson
Systems/Network Support
Rockbochs Inc.
----- Original Message -----
From: "John Novack" <novackster at gmail.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users at lists.digium.com>
Sent: Thursday, February 28, 2008 3:51:47 PM (GMT-0600) America/Chicago
Subject: Re: [asterisk-users] Simultaneous Inbound and Outbound calls on analog lines...
Tim Nelson wrote:
| Quote: | Thank you all for the suggestions. I'm looking into getting groundstart lines for that installation as suggested earlier.
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Make sure your interface supports GS
The Sangoma and TDM cards do
I assume you are using one of these as you mention Zaptel.
John Novack
| Quote: | Also, I'll try setting the outbound call routes in reverse from the inbound hunt group. I appreciate your help!
Tim Nelson
Systems/Network Support
Rockbochs Inc.
----- Original Message -----
From: "James Texter III" <james.texter at gmail.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users at lists.digium.com>
Sent: Thursday, February 28, 2008 8:47:37 AM (GMT-0600) America/Chicago
Subject: Re: [asterisk-users] Simultaneous Inbound and Outbound calls on analog lines...
In the telephony world, this is called glare, it's most prevalent on
Analog (though you can have the same thing happen with robbed-bit
T1). There really isn't much you can do to prevent it, only minimize
it. You need to have your inbound and outbound starting at opposite
ends. If your incoming calls are coming top down, then you need to
use G<your group number> in your Dial app so that outbound calls go
bottom up, or vice versa.
HTH,
James Texter
On Feb 27, 2008, at 2:55 PM, Tim Nelson wrote:
| Quote: | Hello! I've run into a problem where a user is making an outbound
call at the same time that an inbound call is being made on the same
analog line. It appears that as the zap channel is opened for the
outbound call, it is simply answering the inbound call. Obviously,
both parties involved in the calling get a bit confused. Previously,
it happened only on an occasional basis. However, as this
installation gets more and more use, we are finding it happens more
often. How can this situation be prevented? Shouldn't zaptel see an
incoming call and simply choose another trunk? We are running
Asterisk 1.2.12.1 and Zaptel 1.2.22.1. Any ideas?!?
Tim Nelson
Systems/Network Support
Rockbochs Inc.
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