draft.
1) First, we'll check our current status and linux names of interfaces
ip a
or
This tutorial will, hopefully, guide you on configuration of interconnection between Kamailio and FreeSWITCH. We will use Kamailio as proxy and registrar server and use FreeSWITCH only for services.
Latest Asterisk packages we should install now directly into our Debian/Ubuntu servers using the apt-get tool. More info at https://wiki.asterisk.org/wiki/display/AST/Asterisk+Packages#AsteriskPackages-APT%28Debian%2FUbuntu%29
There is some confusion and misunderstanding regarding VTP (VLAN Trunking Protocol)+DTP (Dynamic Trunking Protocol) and this article will hopefully make it all clear. Most of the confusion comes from the statement that VTP is always a security threat to your network. There are even some CCIE material which I find to be wrong on this topic so my advice here is to test everything by yourself.
Preprepared binary package of the Kamailio server hasn't enabled the SCTP support. You may check this on your running platform both ways:
First running kamailio command with -V options and checking the output for the sctp flag:
SIPp version 3.2 hasn't precompiled binary packages. There are some instructions provided at the sipp home page, however small comment about limits.h is missing and therefore the compilation will not be succesfull. Here we provide instructions how to compile Sipp with SSL, pcap play and distributed pauses features enabled.
Install prerequisities
Three pre-requisites are necessary to compile SIPp:
http://www.cisco.com/en/US/docs/ios/12_4t/12_4t11/ht_rawip.html
Cisco switches provides SPAN and RSPAN feature which is suitable for monitoring and capturing packets flowing through switch ports or VLANs. But this feature is not provided on Cisco routers, therefore if you look for it there is not result.
This article talks about deploying permission control mechanism for call establishment in Kamailio SIP Proxy.
In many VoIP solutions, it is crutial to deploy numbering scheme and write down rules where users are/aren't allowed to call.
On top of that, a company can allow the people to call outside, for example to PSTN. The rules can change over time as well as the numbering scheme itself.
In many setups Kamailio is used as a PROXY server that takes care of routing calls to servers providing voice services, e.g. voicemail, IVR or conference calls.
There are a few things an administrator must keep in mind.