Displaying 20 results from an estimated 20000 matches similar to: "What is SIP Early Media useful for ?"
2016 Feb 03
4
How to deal with error messages passed as Early Media
Hello,
I'm trunking with an ITSP that, when treating an outbound to an unknown
destination, either:
- send a SIP error code (I can't be more explicit, at the moment),
- or cast a pre-recorded audio message using Early Media.
At the same time, I'm also trunking with Contact Center solution which
doesn't support Early Media.
Beside asking my ITSP to treat calls consistently or
2016 Apr 29
1
T.38 with Audiocodes gateway
Hello,
I'm helping a colleague (*) which has the following setup:
ITSP --- <T.38 capable PJSIP trunk> --- Asterisk 13 --- <PJSIP>--
Audiocodes MP-112 --- <FXO/FXS> --- Fax machine
My issue is the following :
Audiocodes gateway reject INVITEs with 488 Not Acceptable Here
It seems this gateway requires t38 settings to be present in SDP body in
the very first INVITE.
My
2007 Jun 26
6
Cisco 7941 localized menus with SIP firmware
Hi,
Has anyone met any success, installing localized (ie non-english) menus
within SIP firmware enabled Cisco 7941 ?
Those phones seem to be trying to download localized menus from Cisco Call
Manager but as they are managed by an Asterisk server, I'm looking for a
workaround.
Any advice ?
Regards
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2018 Jun 05
2
Questions about SIP From, P-Asserted-Id fields and Diversion headers ?
2018-06-05 15:27 GMT+02:00 George Joseph <gjoseph at digium.com>:
Thank you very much, George for replying.
>
>
> On Tue, Jun 5, 2018 at 3:35 AM Olivier <oza.4h07 at gmail.com> wrote:
>
>> Hi,
>>
>> After a long discussion with a friend, I would like to ask here:
>>
>> 1.According SIP RFCs, is possible/recommended to have different values in
2016 Sep 05
2
[SOLVED] Re: Feature Request: what about "core stop panic" ?
2016-09-02 20:40 GMT+02:00 George Joseph <gjoseph at digium.com>:
>
>
> On Fri, Sep 2, 2016 at 9:34 AM, Olivier <oza.4h07 at gmail.com> wrote:
>
>> Hello,
>>
>> I had a recent case where Asterisk stopped due to a segfault.
>> This reminded me that being sure that whenever such issue occurs, it's
>> useful to have a core file or various
2019 Jun 14
2
Early Media Issue
Hi all
I've got an issue where when I call a number that just plays early media
back to me.
Instead of hearing the full sequence of tones I hear a short ringing then
part of the sequence. What seems odd is that I can see
the telephone-event/8000 being passed up the chain but when it gets to
Asterisk, it is never sent back to the phone. Instead I just see the usual
RTP flows.
I've been
2016 Sep 06
5
[SOLVED] Re: Feature Request: what about "core stop panic" ?
On Tue, Sep 6, 2016 at 1:55 AM, Olivier <oza.4h07 at gmail.com> wrote:
> Hello,
>
> After testing "pkill -SEGV -f /usr/sbin/asterisk" on Debian Jessie
> platform, I've got several questions :
>
>
> 1. When I issue a "cd /tmp; asterisk -cvvvvvvvvvvvg -U asterisk -G
> asterisk" command, and then issue a "pkill -SEGV asterisk" command,
2005 Sep 26
2
Early Media in 180 Ringing
Hello,
I have a problem with the following: When I dial a PSTN number from a
UAC, the call is made through a SIP Trunk (which has a connection to the
PSTN) in Asterisk. The PSTN Gateway returns a 180 Ringing WITH SDP, but
Asterisk forwards the 100 Ringing WITHOUT SDP:
As you can see below, the SIP message from 10.254.254.1 (the PSTN
Gateway) has SDP, while * (with 192.168.0.173) removes the SDP
2014 Aug 12
1
How to read RTP ports from CLI ?
Hello,
How can I read RTP ports from CLI (to double check what could be
included in rtp.conf file) ?
"sip show settings" do not provide the answer.
Regards
2005 Sep 26
1
Early Media in 100 Ringing
Hello,
I have a problem with the following: When I dial a PSTN number from a
UAC, the call is made through a SIP Trunk (which has a connection to the
PSTN) in Asterisk. The PSTN Gateway returns a 100 Ringing WITH SDP, but
Asterisk forwards the 100 Ringing WITHOUT SDP:
As you can see below, the SIP message from 10.254.254.1 (the PSTN
Gateway) has SDP, while * (with 192.168.0.173) removes the SDP
2016 Dec 08
4
What to do when changing from one asterisk version to another ?
Hello,
I'm compiling Asterisk from source on Debian systems.
I'm currently writing a script I'm planning to launch when upgrading from
one Asterisk version to another one within the same class (from 13.4.0 to
13.12.0 or from 13.12.0 to 13.8.0, for instance).
Reading [1], I thought the following would work:
cd /usr/src/asterisk-13.4.0
./configure
make
make install
...
cd
2017 Nov 23
2
How to supervise a Voicemail box with a BLF button ? What does "State:Unavailable" exactly means ?
Hi,
1. How do you then, synced then unread message presence with custom device
status ? From an external program ? When a user leaves VoiceMailMan
application ? Using externnotify ?
2. What is MWI:101 at default expression for (see [2] ?
Cheers
[2]
https://wiki.freepbx.org/display/FPG/Subscribe+a+BLF+button+to+Monitor+a+Voicemail+Box
2017-11-21 17:58 GMT+01:00 John Kiniston <johnkiniston at
2008 Jan 08
3
Is it possible to use spandsp and patton to do fax2mail ?
Hi,
I succesfully install spandsp chan_misdn and digium card. the rxfax works
fine and I get the fax result by email.
I would like to do the same using a Patton gw + zaptel but I can't receive
fax anymore,
the call comes in from ISDN in the Patton gw, patton sends it to asterisk,
asterisk run a macro to make a tif file using rxfax,
the tif file is correctly created but with a 0 size the call
2015 Jul 16
2
How to create direct media with PJSIP.conf configurations in Asterisk 13?
Dear Asterisk-Users,
By means of Asterisk 11 and sip.conf, I got success implementing early media. That is, all information that come from callee (SIP 183 message/ SDP) is passed to the caller without any modification in the SDP body.
However, in Asterisk 13 and using pjsip.conf I'm still failing to do the same thing. See:
Softphojne1
2007 Jun 12
4
Gigabit SIP Phones
Hello,
Beside Cisco 79x1-GE, I'm not aware of any Gigabit SIP Phone.
Did I miss something ?
Regards
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2009 May 19
5
OT: SIP hardphone with multi-color BLF
Hi,
Is anyone aware of a SIP hardphone with Busy Lamp Fields supporting 2 colors
(or more) ?
This could be very useful to support extended presence, for instance.
Regards
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2008 Jan 08
1
Early media support for Asterisk behind NAT
Hi,
I have asterisk 1.4.16 behind a NAT-FW which is using a hosted SIP trunk
for PSTN calling. Asterisk is configured to support nat with nat=yes in
sip.conf. Now the hosted PSTN Gateway supports symmetric RTP and early media
using 183 Session Progress. So If I call a PSTN number which has IVR message
played before the call is connected (via 183), those media RTP packets do
not reach the
2016 Jan 18
2
How to get PJSIP SIP messages in a log file and not in console ?
Hello,
How should I configure Asterisk (13.7.0) to get persistently PJSIP SIP
messages in a log file and not in console ?
I would expect adding "debug=yes" in pjsip.conf to produce the same output
as "pjsip set logger on".
Am I understanding correctly ?
Best regards
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2009 Apr 22
1
Should you use UserEvents for monitoring calls ?
Hi,
I need to monitor call activity from a custom application software.
The goal is to display things like who is on call or not, who has forwarded
his call to his voicemail, etc ...
When using manager's login command with Event parameter set to on, I'm
getting tens of events I don't care about but I suppose I won't miss things
like transfers, pickups, parking ...
Would it be a
2016 Sep 07
2
[SOLVED] Re: Feature Request: what about "core stop panic" ?
2016-09-06 17:48 GMT+02:00 Tzafrir Cohen <tzafrir.cohen at xorcom.com>:
> On Tue, Sep 06, 2016 at 06:37:52AM -0600, George Joseph wrote:
> > On Tue, Sep 6, 2016 at 1:55 AM, Olivier <oza.4h07 at gmail.com> wrote:
>
> > > Where should core file be created when Asterisk is run as a daemon by
> > > asterisk user and group ?
> > > Is there a setting I