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jsneerin at gmail.com
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 Posted: Thu May 15, 2008 10:47 am Post subject: [asterisk-users] ChanSpy not working - "transmit frame |
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When I try to use ChanSpy, the following message is sent repeatedly to
the console (wrapped for readability):
WARNING[32125]: chan_sip.c:3709 sip_write: Asked to
transmit frame type 64, while native formats is 0x4 (ulaw)(4)
read/write = 0x4 (ulaw)(4)/0x4 (ulaw)(4)
This appears to happen because SLINEAR (frame type 64 / 0x40) is not
considered a native format for the channel I'm trying to spy on, so
sip_write() bails.
DEBUG[32006] chan_sip.c: *** Our native formats are 0x4 (ulaw)
DEBUG[32006] chan_sip.c: *** Joint capabilities are 0x4 (ulaw)
DEBUG[32006] chan_sip.c: *** Our capabilities are 0x46 (gsm|ulaw|slin)
DEBUG[32006] chan_sip.c: *** AST_CODEC_CHOOSE formats are0x4 (ulaw)
The symptom is that the spying listener hears nothing on his or her
handset. The spied-on channel can continue to communicate with the
other end without issue. If I tell ChanSpy to record the call with the
r() option, a .raw file *is* created and does contain the complete
audio stream, so it's at least partly working. The problem appears to
be in converting back from SLINEAR to the spying listener's native
format.
I have format_sln.so loaded, and I have it listed as a valid codec for
all of the SIP devices involved (Polycom 330's and a 550 doing the
spying).
Has anyone else run across this? Maybe there's something really simple
I'm missing?
-James |
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jsneerin at gmail.com
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| Posted: Thu May 22, 2008 2:01 pm Post subject: [asterisk-users] ChanSpy not working - "transmit frame |
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On Thu, May 15, 2008 at 10:47 AM, James Sneeringer <jsneerin at gmail.com> wrote:
| Quote: | When I try to use ChanSpy, the following message is sent repeatedly to
the console (wrapped for readability):
WARNING[32125]: chan_sip.c:3709 sip_write: Asked to
transmit frame type 64, while native formats is 0x4 (ulaw)(4)
read/write = 0x4 (ulaw)(4)/0x4 (ulaw)(4)
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I see I have you all stumped! Let's try this from another angle.
Is anyone successfully using ChanSpy on 1.4.x? I've tested on most of
the recent releases, including yesterday's 1.4.20.1 release.
-James |
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sherwood.mcgowan at gm...
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| Posted: Thu May 22, 2008 2:54 pm Post subject: [asterisk-users] ChanSpy not working - "transmit frame |
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James Sneeringer wrote:
| Quote: | On Thu, May 15, 2008 at 10:47 AM, James Sneeringer <jsneerin at gmail.com> wrote:
| Quote: | When I try to use ChanSpy, the following message is sent repeatedly to
the console (wrapped for readability):
WARNING[32125]: chan_sip.c:3709 sip_write: Asked to
transmit frame type 64, while native formats is 0x4 (ulaw)(4)
read/write = 0x4 (ulaw)(4)/0x4 (ulaw)(4)
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I see I have you all stumped! Let's try this from another angle.
Is anyone successfully using ChanSpy on 1.4.x? I've tested on most of
the recent releases, including yesterday's 1.4.20.1 release.
-James
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My current project's server uses ChanSpy constantly, SIP to SIP as well
as SIP to Zap. I'm using the Asterisk 1.4 branch from the SVN repo. I
have not seen the error you mention, sorry.
Sherwood |
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