5 edition of Building telephony systems with OpenSER found in the catalog.
|The Physical Object|
|Pagination||xvi, 53 p. :|
|Number of Pages||57|
nodata File Size: 4MB.
In 2004 FhG Fokus started a spinoff of the SER project creating the iptel.
In this chapter we will show you the possibilities and the architecture of the SIP Express Router. Redirect Server—This receives requests and sends back to the caller including data about the destination, instead of sending directly to the callee.
We consume the credentials after authentication, for security reasons, to avoid sending encrypted material ahead. It is the most important field in a SIP request.
This message is routed back through both the proxies in the reverse direction. This SDP message is carried by the SIP message, similar to an e-mail attachment. These people, in addition to being remarkably talented in their respective fields publishing, technology can all speak multiple languages and work on a team, around the world India, Romania, Brazil in a second language.
Next, you will learn to install, configure, and customize the OpenSIPS control panel and explore dialplans and routing. Reply routing blocks: Reply routing blocks are used to process reply messages, usually 200 OK. The first two were already covered in this chapter, Successful Session Establishment and Session Establishment through two Proxies.
[ 84 ] Chapter 5 INVITE Sequence Packet Capture We have captured an INVITE authentication sequence using ngrep.
The VoIP provider solution has many components.
The user administration and provisioning portal One important component is the user administration and provisioning portal.
With OpenSER this is not the case.
This SDP message is carried by the SIP message, similar to an email attachment.
In this example userA uses an IP phone to call another IP phone over the network.
Stateful Operation This is a simpliied description of the stateful operation.