Tagged Questions

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

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1
vote
0answers
21 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 ...
-1
votes
0answers
26 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 ...
5
votes
1answer
152 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
votes
0answers
107 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 ...
2
votes
0answers
75 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 ...
3
votes
1answer
245 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 ...
0
votes
0answers
568 views

Fail2ban - alternative robust for enterprise protection against DoS attack in SIP and similar to fail2ban features

Is there any fail2ban like software for CentOS 2.6.32-358.6.2.el6.x86_64 ? (fail2ban is 0.8.10 installed) but its slowing down the system completely, i was looking for something which can be similar ...
0
votes
1answer
107 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 trunk. Everything was fine until provider ...
1
vote
0answers
251 views

Asterisk server problems with firewall settings [closed]

I replaced an IVR machine for incoming call after going down. It is running asterisk 1.4.23 on ubunutu 10.04 I decided to put the server behind iptables because my server was under brute force attack. ...
1
vote
1answer
202 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
votes
1answer
228 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) ...
4
votes
1answer
564 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?
7
votes
7answers
2k views

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 ...