sngrep

sngrep is a tool for displaying SIP calls message flows.

It supports live capture to display realtime SIP packets and can also be used as PCAP viewer.

Some screenshots of sngrep

Prerequisites

libncurse5 - for UI , windows, panels.
libpcap - for capturing packets.
libssl - (optional) for tls decrypt

Installing

On most systems the commands to build will be the standard atotools procedure:

./configure
make
make install (as root)

If you dont want to use libpcap (because is not available in your system or don't want to install more development libraries), you can use release 0.0.0 available at https://github.com/irontec/sngrep/releases

Usage

sngrep can be used to view SIP packets from a pcap file

sngrep file.pcap

or live capturing

sngrep port 5060 and udp

You can configure some options using a sngreprc file

Frequent Asked Questions

See FAQ on Github Wiki

License

sngrep - SIP Messages flow viewer
Copyright (C) 2013,2014 Irontec S.L.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

In addition, as a special exception, the copyright holders give
permission to link the code of portions of this program with the
OpenSSL library under certain conditions as described in each
individual source file, and distribute linked combinations
including the two.
You must obey the GNU General Public License in all respects
for all of the code used other than OpenSSL.  If you modify
file(s) with this exception, you may extend this exception to your
version of the file(s), but you are not obligated to do so.  If you
do not wish to do so, delete this exception statement from your
version.  If you delete this exception statement from all source
files in the program, then also delete it here.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

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