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[asterisk-users] WARNING[31046]: chan_sip.c:4978 process_sdp


 
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joakimsen at gmail.com
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PostPosted: Tue Jan 15, 2008 4:54 pm    Post subject: [asterisk-users] WARNING[31046]: chan_sip.c:4978 process_sdp Reply with quote

Anyone else have issues with T.38 where the call drops after T.38 is
attempted to be negotiated, with a message like the below?

WARNING[31046]: chan_sip.c:4978 process_sdp: Unable to lookup host in
c= line, 'IN IP4 100101'
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mmichelson at digium.com
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PostPosted: Tue Jan 15, 2008 6:25 pm    Post subject: [asterisk-users] WARNING[31046]: chan_sip.c:4978 process_sdp Reply with quote

Andrew Joakimsen wrote:
Quote:
Anyone else have issues with T.38 where the call drops after T.38 is
attempted to be negotiated, with a message like the below?

WARNING[31046]: chan_sip.c:4978 process_sdp: Unable to lookup host in
c= line, 'IN IP4 100101'

The problem is that 100101 is neither a valid IPv4 address nor a fully-qualified
domain name.
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joakimsen at gmail.com
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PostPosted: Tue Jan 15, 2008 10:43 pm    Post subject: [asterisk-users] WARNING[31046]: chan_sip.c:4978 process_sdp Reply with quote

Well can you offer some explanation why T.38 faxing worked for months
and then one day stopped working?

Using both Linksys & Audiocodes (yuck) ATA. The first second of the
fax tone is heard and then the T.38 switchover is attempted and the
call drops with said error.

On Jan 15, 2008 6:25 PM, Mark Michelson <mmichelson at digium.com> wrote:
Quote:

Andrew Joakimsen wrote:
Quote:
Anyone else have issues with T.38 where the call drops after T.38 is
attempted to be negotiated, with a message like the below?

WARNING[31046]: chan_sip.c:4978 process_sdp: Unable to lookup host in
c= line, 'IN IP4 100101'

The problem is that 100101 is neither a valid IPv4 address nor a fully-qualified
domain name.

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oej at edvina.net
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PostPosted: Wed Jan 16, 2008 2:40 am    Post subject: [asterisk-users] WARNING[31046]: chan_sip.c:4978 process_sdp Reply with quote

16 jan 2008 kl. 04.43 skrev Andrew Joakimsen:

Quote:
Well can you offer some explanation why T.38 faxing worked for months
and then one day stopped working?
You are asking the wrong forum. Your device is clearly sending a bad
SDP. Ask the vendor of that device.

/O
Quote:


Using both Linksys & Audiocodes (yuck) ATA. The first second of the
fax tone is heard and then the T.38 switchover is attempted and the
call drops with said error.


Quote:


On Jan 15, 2008 6:25 PM, Mark Michelson <mmichelson at digium.com> wrote:
Quote:

Andrew Joakimsen wrote:
Quote:
Anyone else have issues with T.38 where the call drops after T.38 is
attempted to be negotiated, with a message like the below?

WARNING[31046]: chan_sip.c:4978 process_sdp: Unable to lookup host
in
c= line, 'IN IP4 100101'

The problem is that 100101 is neither a valid IPv4 address nor a
fully-qualified
domain name.

_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users


_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users

---
* Olle E Johansson - oej at edvina.net
* Cell phone +46 70 593 68 51, Office +46 8 96 40 20, Sweden
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jfaubion at tx.rr.com
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PostPosted: Wed Jan 16, 2008 9:30 am    Post subject: [asterisk-users] WARNING[31046]: chan_sip.c:4978 process_sdp Reply with quote

Quote:
Well can you offer some explanation why T.38 faxing worked for months
and then one day stopped working?

Generally it is because some one or some process did one or more of the
following:

1. Updated firmware on the ATA
2. Updated software on the server
3. Changed a configuration setting
4. Let the smoke out of a chip

AFAIK none of these devices or systems are using artificial intelligence,
yet. Therefore when something just quits you need to start looking for what
changed.

John
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joakimsen at gmail.com
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PostPosted: Wed Jan 16, 2008 2:03 pm    Post subject: [asterisk-users] WARNING[31046]: chan_sip.c:4978 process_sdp Reply with quote

Did you look at the trace I send you in email? Because in each request
there are two IN IP lines I think Asterisk should only interpret the
first one,

On Jan 16, 2008 2:40 AM, Johansson Olle E <oej at edvina.net> wrote:
Quote:

16 jan 2008 kl. 04.43 skrev Andrew Joakimsen:

Quote:
Well can you offer some explanation why T.38 faxing worked for months
and then one day stopped working?
You are asking the wrong forum. Your device is clearly sending a bad
SDP. Ask the vendor of that device.

/O
Quote:


Using both Linksys & Audiocodes (yuck) ATA. The first second of the
fax tone is heard and then the T.38 switchover is attempted and the
call drops with said error.


Quote:


On Jan 15, 2008 6:25 PM, Mark Michelson <mmichelson at digium.com> wrote:
Quote:

Andrew Joakimsen wrote:
Quote:
Anyone else have issues with T.38 where the call drops after T.38 is
attempted to be negotiated, with a message like the below?

WARNING[31046]: chan_sip.c:4978 process_sdp: Unable to lookup host
in
c= line, 'IN IP4 100101'

The problem is that 100101 is neither a valid IPv4 address nor a
fully-qualified
domain name.

_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users


_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users

---
* Olle E Johansson - oej at edvina.net
* Cell phone +46 70 593 68 51, Office +46 8 96 40 20, Sweden





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