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jmr.richardson at gmai...
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 Posted: Mon May 05, 2008 11:54 am Post subject: [asterisk-users] T38 Passthrough Verification |
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Hi All,
I have 1.4.9.1 setup, with the compiler flags enabled for T38, and
have a Mediatrix 2102 and a Linksys SPA 8000-G1. I can pass faxes
between devices but can't seem to invoke T38 pt UDPTL. It's enabled
in sip.conf [general] and well as the [peer].
I get an error at the CLI:
WARNING[3096]: chan_sip.c:14149 handle_request_invite: RTP re-invite
after T38 session not handled yet !
sip show channels shows the call setup with ulaw.
Any guidance will be appreciated.
Thanks.
JR
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JR Richardson
Engineering for the Masses |
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russell at digium.com
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| Posted: Wed May 07, 2008 5:43 pm Post subject: [asterisk-users] T38 Passthrough Verification |
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JR Richardson wrote:
| Quote: | I have 1.4.9.1 setup, with the compiler flags enabled for T38, and
have a Mediatrix 2102 and a Linksys SPA 8000-G1. I can pass faxes
between devices but can't seem to invoke T38 pt UDPTL. It's enabled
in sip.conf [general] and well as the [peer].
I get an error at the CLI:
WARNING[3096]: chan_sip.c:14149 handle_request_invite: RTP re-invite
after T38 session not handled yet !
sip show channels shows the call setup with ulaw.
|
Try setting canreinvite=no for the peer doing T.38. It looks like the code in
Asterisk 1.4 will not allow re-invites for an established T.38 passthrough call.
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Russell Bryant
Senior Software Engineer
Open Source Team Lead
Digium, Inc. |
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jmr.richardson at gmai...
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| Posted: Thu May 08, 2008 7:55 am Post subject: [asterisk-users] T38 Passthrough Verification |
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| Quote: | JR Richardson wrote:
| Quote: | I have 1.4.9.1 setup, with the compiler flags enabled for T38, and
have a Mediatrix 2102 and a Linksys SPA 8000-G1. I can pass faxes
between devices but can't seem to invoke T38 pt UDPTL. It's enabled
in sip.conf [general] and well as the [peer].
I get an error at the CLI:
WARNING[3096]: chan_sip.c:14149 handle_request_invite: RTP re-invite
after T38 session not handled yet !
sip show channels shows the call setup with ulaw.
|
Try setting canreinvite=no for the peer doing T.38. It looks like the
code in
Asterisk 1.4 will not allow re-invites for an established T.38 passthrough
call.
|
I saw a post about the re-invites, so I tried it both ways,
canreinvite=yes/no with the same results.
Thanks.
JR
---
JR Richardson
Engineering for the Masses |
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joakimsen at gmail.com
Guest
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| Posted: Fri May 09, 2008 5:26 am Post subject: [asterisk-users] T38 Passthrough Verification |
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The call is still going to show up as the codec with which the voice
segment was established.
Have you viewed the SIP debug messages and confirmed that T.38 is not
being used?
FWIW the device that is receiving the T.38 fax (generally callee)
should be issuing the T.38 re-invite, so you might want to start at
that end.
Make sure t38pt_udptl = yes is defined.
On Thu, May 8, 2008 at 8:55 AM, JR Richardson <jmr.richardson at gmail.com> wrote:
| Quote: | | Quote: | JR Richardson wrote:
| Quote: | I have 1.4.9.1 setup, with the compiler flags enabled for T38, and
have a Mediatrix 2102 and a Linksys SPA 8000-G1. I can pass faxes
between devices but can't seem to invoke T38 pt UDPTL. It's enabled
in sip.conf [general] and well as the [peer].
I get an error at the CLI:
WARNING[3096]: chan_sip.c:14149 handle_request_invite: RTP re-invite
after T38 session not handled yet !
sip show channels shows the call setup with ulaw.
|
Try setting canreinvite=no for the peer doing T.38. It looks like the
code in
Asterisk 1.4 will not allow re-invites for an established T.38 passthrough
call.
|
I saw a post about the re-invites, so I tried it both ways,
canreinvite=yes/no with the same results.
Thanks.
JR
---
JR Richardson
Engineering for the Masses
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