SIP (Session Initiated Protocol) is a protocol used to govern voice and video sessions over IP.

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how do I make a SIP phone ring with sipsak?

How can I use sipsak to simulate a call so that there's an actual ring, or possibly even a sound is played? thufir@mordor:~$ thufir@mordor:~$ sudo sipsak -v --usrloc-mode --from sip:demo_alice@...
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How can sipsak simulate a call with usrloc?

Building on a stackoverflow question, how can I actually get the device to ring? thufir@mordor:~$ thufir@mordor:~$ sudo sipsak -vv -s sip:6003@localhost No SRV record: _sip._tcp.localhost No SRV ...
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How can I use sipsak to send a SIP Invite to lrnlookup.telnyx.com with sipsak?

Here's what I have so far: thufir@mordor:~$ sipsak --from sip:thufir@getonsip.com --password flFl24GB5 --invite-mode lrnlookup.telnyx.com --message-mode error: for the USRLOC mode you have to give a ...
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1answer
35 views

How to send a ghost email message?

When I was running tcpdump and watching output on my new created VPS (OS:CentOS 7.1) via SSH, a message appears suddenly: OPTIONS sip:100@My_VPS_IP SIP/2.0 Via: SIP/2.0/UDP 69.64.57.15:5596;branch=...
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315 views

Bad SIP URI in To header field

We are creating Asterisk<->Lync trunk. The Asterisk is under providers control. I am in charge of Lync. I'm slightly familiar with Asterisk. We created a trunk. Everything was fine until provider ...
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1answer
185 views

Asterisk v13 on Kali Linux: No RTP engine was found. Do you have one loaded?

I installed Asterisk and tried to make a call with zoiper but I get an error [call failure 401 forbidden] and Asterisk return this message : Connected to Asterisk UNKNOWN__and_probably_unsupported ...
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33 views

How to use a tty as a sound device for pjsua?

I have a bi-directional PCM device that appears as /dev/ttyUSBxx. It provides and consumes 16-bit linear PCM at 8KHz (though that can be changed to u-LAW or a-LAW). I would like to use the device in ...
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Secure FOSS alternative to Skype on Linux & OpenBSD?

Criteria: Makes audio/video calls Encrypts the whole traffic (using good encryption) Is cross-platform (including Windows 7, etc.) Runs on modern Linux distributions (Fedora, Ubuntu, etc.) Runs on ...
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38 views

Capture screen and output to video device

I'm using linphone, I I'd like to share my screen instead of my webcam. Currently, it looks like linphone only supports reading video input from /dev/video using V4L, though I'll be happy to be ...
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1answer
38 views

How to effectively capture traffic on port 5060 between specific time internals?

users. I want to capture traffic on port 5060 for one week in a file, than wants wireshark to rotate file and start capturing for next week with a different file name. I know little about tshark, ...
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1answer
280 views

SIPp “hello world” message to Asterisk

How do I run diagnostics against Asterisk? Asterisk is running on tleilax; and doge is on the same network (My network topology isn't optimal). Specifically, I want to do something like: sipp 345@...
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1answer
323 views

how to connect a softphone to asterisk

To give context, here's my network: On the tleilax server, there's clearly a result from sipsak on doge: tleilax*CLI> tleilax*CLI> core show version Asterisk 1.8.29.0-vici built by abuild @ ...
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0answers
369 views

how to do a sip call from sipp

I am newest user using SIPp , I am trying to made a sip call from SIPp program on Linux but i fail on it . i want a command to call phone number (14042835351) from sip domain (80.81.82.83) with same ...
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1answer
379 views

Easy voice talk between 2 computers in 2 countries?

My plan is to enable 2 sets of unsophisticated users (children and their grandparents) in 2 different countries to talk easily. In practice I see it as: A quiet linux computer is on all the time in ...
2
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241 views

Chat application for monitoring with scripts

I am looking for a chat application, which would have the ability to interact with a shell script. I need this for a home project. An example of the usage would be: A client sends a chat message to ...
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0answers
157 views

VoIP dialer for SIP

I have some Java, so am biased in that direction, but not overly so. None of the Java suggestions: http://stackoverflow.com/questions/16471795/sip-client-for-java http://stackoverflow.com/questions/...
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1answer
272 views

Fedora16, ekiga just works in superuser mode

I've got a fedora16 running and I'd like to use ekiga as a softphone. Now I'm running into some problems. Starting ekiga as a normal user gives me could not register (globally not acceptable) ...
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1answer
498 views

How do I get my phone to ring using linphone and MagicJack?

I have a VOIP number setup with linphone and IPKall. I am using my old magicJack to connect my handset. The handset works for voice input and output, but when I receive a call, it only rings in the ...
3
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1answer
550 views

listen to a conversation using port forwarding

I have been able to make a phone calls using the SIP client Pjsua from one Linux computer to another one. In case you have not heard of this user agent, explaining it's functionality is quite easy. It ...
4
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1answer
854 views

Send a fax via SIP

How can I send a fax from my Linux machine using a SIP connection? I don't have a modem. Ideally, I'd like to provide a PDF or TIFF file, and send it via my SIP provider. Is this possible?