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tikchoong.chan at redt...
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 Posted: Thu Jun 12, 2008 3:43 am Post subject: [asterisk-users] Dial Command Option D Early Bridged |
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Dear All,
The documentation of the Dial Command, says the following about Option D:
D([called][:calling]) - Send the specified DTMF strings *after* the called party has answered,
but before the call gets bridged.
However, in my experience, the timing the call get bridged is not consistance,
sometimes even before sending the DTMF strings.
Anyone share this experience?
How to make sure that the call only get bridged after sending the DTMF strings.
Regards,
TC
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jsmith at digium.com
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| Posted: Thu Jun 12, 2008 8:37 am Post subject: [asterisk-users] Dial Command Option D Early Bridged |
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On Thu, 2008-06-12 at 16:43 +0800, tcchan wrote:
| Quote: | However, in my experience, the timing the call get bridged is not
consistance,
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Do you happen to be calling out over an analog phone line? In the case
of dialing out an analog line, we have no easy way of knowing when the
far-end has answered the call, so the call is considered answered at the
time the call is dialed.
--
Jared Smith
Training Manager
Digium, Inc. |
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bwentdg at pipeline.com
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| Posted: Tue Jun 24, 2008 4:54 am Post subject: [asterisk-users] Dial Command Option D Early Bridged |
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How do other applications, such a the automated dialers from telemarketers,
reliably detect when the call has been "answered" ?
I thought this sort of basic functionality that had been around for
quite awhile.
Jared Smith wrote:
| Quote: | On Thu, 2008-06-12 at 16:43 +0800, tcchan wrote:
| Quote: | However, in my experience, the timing the call get bridged is not
consistance,
|
Do you happen to be calling out over an analog phone line? In the case
of dialing out an analog line, we have no easy way of knowing when the
far-end has answered the call, so the call is considered answered at the
time the call is dialed.
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jsmith at digium.com
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| Posted: Tue Jun 24, 2008 7:44 am Post subject: [asterisk-users] Dial Command Option D Early Bridged |
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On Tue, 2008-06-24 at 05:54 -0400, Al Baker wrote:
| Quote: | How do other applications, such a the automated dialers from telemarketers,
reliably detect when the call has been "answered" ?
I thought this sort of basic functionality that had been around for
quite awhile.
|
For digital connections (such as a PRI on a T1 or E1), the telco sends a
signal when the far end has answered the call. For analog lines (at
least here in the United States), however, there is typically no
signaling from the telco to let you know when the far end has answered
the call. The best you can do is to try to listen to the audio and use
audio characteristics to try to determine if it was answered.
--
Jared Smith
Training Manager
Digium, Inc. |
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