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11. - SIP SDP - Changing Session Parameters

SIP Learning SIP Core

In SIP SDP, the session parameters can be changed during the lifetime of a session by sending a...

Updated 2 years ago by Cesar Gzz

5. - SIP Clients

SIP Learning SIP Core

SIP Clients SIP clients are software applications that run on devices such as computers, smartph...

Updated 2 years ago by Cesar Gzz

4. - SIP Servers

SIP Learning SIP Core

SIP Servers Registration Re-Registration SIP Proxy Servers  SIP Server - Proxy mode SIP Se...

Updated 2 years ago by Cesar Gzz

16. - SIP and B2BUA Back to Back User Agent

SIP Learning SIP Core

Back-2-Back Thee B2BUA its a standalone proxy when it receives a request process the request...

Updated 2 years ago by Cesar Gzz

14. - SIP SDP - MIME

SIP Learning SIP Core

Mime was defined to provide a way of attaching different document/file types to email messages, S...

Updated 2 years ago by Cesar Gzz

10. - SIP SDP - Session Descripton Protocol

SIP Learning SIP Core

SIP SDP SIP SDP stands for Session Description Protocol and is a protocol used to describe multi...

Updated 2 years ago by Cesar Gzz

6. - SIP Messages

SIP Learning SIP Core

SIP messages are the communication units used by SIP endpoints to establish, modify, and terminat...

Updated 2 years ago by Cesar Gzz

3.- SIP Addressing and URI

SIP Learning SIP Core

SIP Addressing In SIP (Session Initiation Protocol), addressing is used to identify the endpoint...

Updated 2 years ago by Cesar Gzz

9. - SIP Header

SIP Learning SIP Core

A sip message looks like an HTTP message here is an example of a SIP header.   INVITE sip:user...

Updated 2 years ago by Cesar Gzz

8. - SIP Messages - Response Codes

SIP Learning SIP Core

SIP response codes are made up of 3 digits, first digit in the code indicates the class of the re...

Updated 2 years ago by Cesar Gzz

7. - SIP Messages - Requests Methods

SIP Learning SIP Core

SIP request methods are used to initiate a request from a client to a server or from one server...

Updated 2 years ago by Cesar Gzz

2.- SIP User Agents

SIP Learning SIP Core

User Agents A SIP (Session Initiation Protocol) user agent is a software application that runs o...

Updated 2 years ago by Cesar Gzz

Oracle SBC - Reject calls

Oracle SBC Administration

Verify system health usdensbc2# set-system-state offline Are you sure you want to bring the s...

Updated 2 years ago by Cesar Gzz

Nextcloud 503 service unavailable

LXC Nextcloud PI on LXC Container

  Running nextcloud PI on LXC sometimes it stops working and needs a refresh of php service. $ ...

Updated 2 years ago by Cesar Gzz

0.- Oracle SBC Peer to peer lab Introduction

Oracle SBC Labs 1. - Oracle SBC - Basic Peer to Peer LAB

The objective of this first series of entries is to setup an environment to be able to perform te...

Updated 2 years ago by Cesar Gzz

2. - Oracle SBC - Virtual Machines for testing

Oracle SBC Labs 1. - Oracle SBC - Basic Peer to Peer LAB

We need to deploy 2 virtual machines in order to test communication between phones via Oracle SBC...

Updated 2 years ago by Cesar Gzz

2. - SBC physical and network interfaces

Oracle SBC SBC HomeLAB

    Oracle SBCs have dedicated interfaces to be used for signaling and media, those interface...

Updated 2 years ago by Cesar Gzz

SBC - Useful commands CLI

Oracle SBC Troubleshooting

Oracle SBCs can be administered via web and CLI, both ways have pros and cons, in this entry we w...

Updated 2 years ago by Cesar Gzz

6. - SBC Local Policies

Oracle SBC SBC HomeLAB

The last step for this basic lab environment is to create routing to connect the External and Int...

Updated 2 years ago by Cesar Gzz

5. - SBC Steering pool

Oracle SBC SBC HomeLAB

With the current configuration Oracle SBC is now able to process signaling but there are two prob...

Updated 2 years ago by Cesar Gzz