Traffic monitoring systems in VoIP networks. Part One - Overview

 
3r3-31. In this article we will try to consider such an interesting and useful element of IT infrastructure as a monitoring system for VoIP-traffic.
 
 
Traffic monitoring systems in VoIP networks. Part One - Overview 3r388.
 
The development of modern telecommunication networks is striking: they have advanced far from signal fires, and what seemed unthinkable earlier is now simple and commonplace. And only professionals know what lies behind everyday life and the wide use of the achievements of the information technology industry. The variety of transmission media, switching methods, protocols of interaction between devices and coding algorithms affects the mind of ...
+ 0 -

Snom D725 IP Phone Review

Snom D725 IP Phone Review 3r3108.
 
We continue a series of articles with reviews of multifunctional office IP-phones by Snom. This time the story will be about the model D72? relating to the average price segment.
 
3r311.
 

Features model


 
3r3108.
 
The ergonomic keyboard has all the main keys to control the phone and calls. In addition to them, there is also a block of eighteen additional function keys, thanks to which the D725 has turned out to be a little more than the younger models in the D7xx lineup, and it is no longer inferior in size to the older ones.
 
 
 
 
The display is monochrome, with adjustable brightness. It is only slightly larger than the youngest models. Recall that in the D7xx line, the angle of inclination of the display can be ...[/h]
+ 0 -

SIP phone on STM32F7-Discovery

Hello.
 
 
Some time ago we were wrote 3r33333. about how we managed to launch a SIP phone on STM32F4-Discovery with 1 MB ROM and 192 KB RAM) based on 3r33232. Embox . It must be said here that that version was minimal and connected two phones directly without a server and with voice transmission only in one direction. Therefore, we decided to launch a more complete phone with a call through the server, voice transfer in both directions, but at the same time meet the smallest possible memory size.
 
 
3r318.
+ 0 -

Generator masks extensions dialplan Asterisk

 3r33576. 3r3-31. The system administrator who works with Asterisk often needs to compile masks for dialplan extensions at intervals of DEF codes. Manually doing it is time consuming, and almost the only one working script , which can be found on the Internet, in fact, not so working. 3r33561.  3r33576. 3r33561.  3r33576. I hope someone will use a small cli generator for go, which I recently had to write in order to update the existing dialplan. 3r33561.  3r33576.
3r33561.  3r33576. Features: 3r33561.  3r33576. 3r33561.  3r33576. 3r318.  3r33576.
filter by region
 3r33576.
filter by operator
 3r33576.
simple o...
+ 0 -

Strong middling: an overview of the IP phone Snom D735

Strong middling: an overview of the IP phone Snom D735  
 
We have recently summarized introduced you with the history and assortment of the German company Snom, which more than 20 years ago released the world's first VoIP phone and since then has held the position of a leader among developers and manufacturers of complete solutions for IP-telephony. Then we made a review of the flagship models of two lines of wire telephones - D385 and D785 . And today we will tell about the middle-class model from the series 7xx - Snom D73? which will soon go into production, and we got a test copy ...
+ 0 -

Decentralized messenger and a new generation telephone network

Decentralized messenger and a new generation telephone network  
 
Every time an article appears about a new messenger, most of the users of Habr in the comments are interested in - a centralized or decentralized IM?
 
If not, then - "everyone, guys, disagree".
 
Many, for example, also mention the decentralization of Skype, meaning what it was before 2011.
 
Let's then consider, as a liner and entry to the main idea of ​​the article, how Skype was in its golden years, before buying Microsoft.
 
 
(M1 Messenger) , which, on the one hand, is a decentralized messenger, and on the other hand can be defined as a next-generation telephone network.
 
 
In this platform...
+ 0 -

From Germany with love: the pioneer of IP-telephony comes to Russia

From Germany with love: the pioneer of IP-telephony comes to Russia

 
Interesting news: the company Snom Technologies GmbH, which in 2001 released the very first IP-phone in the world, intends to seriously settle in the Russian market. So it turned out that despite the fact that Snom is very widely represented in Europe, the US and the Middle East, we know little about the products of this company. So to speak, neither Snom nor spirit.
 
numerous awards and regalia . The company's successes are regularly celebrated by industry experts. In 2000 CeBIT Snom won the "Best of Show" prize, and since 2003 the company's products are stably present in the TOP-100 ...
+ 0 -

Organization of regular digests of logs using python and ansible using asterisk

Organization of regular digests of logs using python and ansible using asteriskas an example.When I created this tool, I was not familiar with logwatch. I wanted to see the situation with logs on my servers in general, and so I made this bike. I think that this mechanism can help beginners in understanding the alternative possibilities ansible.  Used software:   python ??? ansible ???r3r321.  server asterisk based on FreePBX 13  The mechanism consists of two parts - a python script that processes the log file and sends a report to the mail, and a playbook for collecting logs from the servers and transferring them to the script for processing.  The playlist itself:   ---- name: parseastlogshosts: ...
+ 0 -

Add encryption and push to normal SIP

Add encryption and push to normal SIP  
 
Hello Habr!
 
 
In this article, we would like to highlight several SIP issues when used on a mobile device, which are generally not known or not guessed by users.
 
 
One of the main problems is if you use any SIP provider (or your own IP PBX) on a smartphone, then with 99% confidence you can say that your data is unencrypted.
 
 
Probably many people did a simple thing - they sniffed the traffic from SIP devices to find the cause of any inoperability of the VOIP connection.
 
 
In practice, this means that all of your SIP conversations can also be easily captured, restored and audited on the mobile ...
+ 0 -

"Right" call to softphones from AMOCRM (call2click)

Greetings, community!
 
Who was involved in the integration of asterisk and amocrm, he knows that it is possible to initiate a call from AMO only by originating. The original is when the server first calls to your extension number, and when you pick up the phone, a second call is made to the desired customer number. Sometimes this decision for various reasons does not suit clients or me.
 
 
Attempts to persuade tech support AMO to stick the possibility of placing links like "sip:" or "tel:" instead of calling the script amocrm.php with the original failed. Then this "crutch" was born. Perhaps ...
+ 0 -