A Telephony Revolution with Asterisk

A Telephony Revolution with Asterisk

December 6, 2014 eduguru 0 Comments A Telephony Revolution with Asterisk, and a good book on the subject., and is an accepted (albeit perhaps not always loved) technology in the telecom industry. Unfortunately, and we believe it is still one of the best hopes for any sort of sensible integration between telecom and all the other technologies businesses might want to interconnect with. With Asterisk, but a person contemplating such a task must either a) enlist competent help or b) develop the required skills through instruction, confusing, especially by up-and-coming generations. Asterisk remains pretty awesome technology, etc.). The phone call is seen as a bit of a dead thing, First they ignore you, IM, it is very sensible and practical. People’s eyes light up when they first see an Asterisk dialplan and begin to contemplate the possibilities. But when there are literally thou‐ sands of ways to achie, no one is telling you how your phone system should work, or cryptic; on the contrary, or what technologies you are limited to. If you want it, over the past nine years the telecom industry has continued to lose its way. The methods by which we communicate have changed. Whereas 20 years ago phone calls were the preferred way to converse acros, practice, the current trend is to message via text (email, the process naturally requires extra effort. Perhaps it can be compared to building a house: the components are relatively easy to understand, then they fight you, then they laugh at you, then you win. —Mahatma Gandh we confidently predicted that Asterisk would fundamentally change the telecommunications industry. Asterisk is now the most successful private branch exchange (PBX) in the, this incredible flexibility comes with a price: Asterisk is not a simple system to configure. This is not because it’s illogical, while also enjoying the freedom to develop its own innovations. What you choose to implement is up to you—Asterisk imposes no limits. Naturally, you can have it. Asterisk lovingly em‐ braces the concept of standards compliance

First they ignore you, then they laugh at you, then they fight you, then you win. —Mahatma Gandh we confidently

Databse

Difference between Stored Procedure and Function : SQL Server

December 6, 2014December 6, 2014 eduguru 0 Comments Difference between Stored Procedure and Function : SQL Server, stored procedure and function, stored procedure and function in sql server, stored procedure vs function, stored procedure vs function in sql server, Stored Procedures are pre-compile objects which are compiled for first time and its compiled format is saved which executes (compiled code) whenever it is called. But Function is compiled and executed, what is function in database, what is stored procedure

Stored Procedures are pre-compile objects which are compiled for first time and its compiled format is saved which executes (compiled

Asterisk info

Changing PRI card line mode to T1 or E1 without moving the jumper

December 3, 2014December 3, 2014 eduguru 7 Comments 2, 4, all single span cards (via device driver wcte12xp) are set to E1 mode; all 2-, and 4-port (span) digital telephony cards is to set the jumper(s) on the card for either T1 or E1 mode for each span on the card. With the jumper off, and 8-span cards, and 8-span cards (via device driver wct4xxp) are set to T1 mode. Then you would reload the DAHDI device drivers by first stopping asterisk, and it may be inconvenient to remove the card from the server to access its jumper(s). In this case, Changing PRI card line mode to T1 or E1 without moving the jumper, dual, for the wct4xxp device driver, How To: My Recomdation: The recommended way to set line mode on your Digium 1-, is the only method to set the TE820 line mode. Depending on how your Asterisk server loads the DAHDI device drivers, or quad span digital cards. However, quad-, see the user manual for the single, sometimes a card will have been installed in a server without first setting the jumper(s) correctly, the "default_linemode" option can be passed when the card's device driver is loaded. For single-span cards, the "default_linemode" option must be set/passed in one of two places: If your Asterisk server uses the DAHDI init script to load the DAHDI device drivers on boot (or if you execute the "service dahdi, the device driver is wct4xxp. Note: The eight-span card (TE820) does not have jumpers. The "default_linemode" module parameter, the device driver is wcte12xp; for dual-, the span is ready for E1 mode. For more details about the jumpers, the span is ready for T1 mode; with the jumper on, then restarting (stopping and starting) DAHDI using the init script: # service asterisk stop # service dahdi restart # service asterisk start * Remember that you will still need to configure /etc/dahd, to set the wcte12xp driver to T1 mode. # modprobe dahdi # modprobe wcte12xp default_linemode=t1 # dahdi_cfg -vv, which runs the init script), you must set the "default_linemode" option in the/etc/modprobe.d/dahdi.conf file. /etc/modprobe.d/dahdi.conf : ------------------------------------------------------------------------ # You should pla

How To: My Recomdation: The recommended way to set line mode on your Digium 1-, 2-, and 4-port (span) digital

linux windows

Mount.cifs cannot allocate memory : Mounting windows share

November 19, 2014November 19, 2014 eduguru 0 Comments and set the following registry key to ’1′. This key tells Windows to set aside enough system cache for sharing large files. Commenter Raoul Duke (thanks!) adds that this change is unnecessary on Windo, check the permissions on your shared folder. Right-click the folder and select Properties. Your Windows user must be allocated permissions on both the Security and the Sharing tabs. Open regedit, dir_mode=0777 We get an error like this: mount error(12): Cannot allocate memory Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) Solution: First, file_mode=0777, iocharset=utf8, Mount.cifs cannot allocate memory : Mounting windows share, Mounting a Windows (cifs) share on centos gives us a “Mount.cifs cannot allocate memory” error. Executing a command like this: mount -t cifs //toad/Backup /media/backup -o user=username, password=password

Mounting a Windows (cifs) share on centos gives us a “Mount.cifs cannot allocate memory” error. Executing a command like this:

Asterisk Error linux

Changing centos/redhat run level init 3

November 13, 2014March 4, 2019 eduguru 0 Comments change run level in centos 6, change run level in centos 7, Changing centos/redhat run level init 3, init level in linux, it is possible to change the default runlevel at boot time. To change the runlevel of a single boot session, Linux, linux init level, press any key to enter the GRUB menu (within the first three seconds). Press the a key to append to the kernel command. Add at the end of the boot options line to boot to the desired runlevel. For exa, run level in linux, the following entry would initiate a boot process into runlevel 3: grub append> ro root=/dev/VolGroup00/LogVol00 rhgb quiet 3, Under Red Hat Enterprise Linux, use the following instructions: When the GRUB menu bypass screen appears at boot time, whart is run level

What is a runlevel ? Runlevel is the preset state in which a Linux system operates. Below mentioned are the

Asterisk Databse mysql

Failed to connect to MySQL-asterisk

November 6, 2014 eduguru 1 Comment [unixODBC][Driver Manager]Data source name not found, and no default driver specified", asterisk database dns configuration, asterisk mysql dns, asterisk odbc configuration, asterisk odbc connection, Error SQLConnect=-1 errno=0 [unixODBC][Driver Manager]Data source name not found, Failed to connect to MySQL-asterisk, Files need to check are: /etc/asterisk/res_odbc.conf /etc/odbcinst.ini To resolve this, MySQL ODBC functions not returning any data, res_odbc.c:565 odbc_obj_connect: res_odbc: Error SQLConnect=-1 errno=0, You have to check the correct configuration of above file. For Example : in -- /etc/odbcinst.ini [MySQL] Description = ODBC for MySQL Driver = /usr/lib/libmyodbc3.so Setup = /usr/lib/libodbcmyS.so Fil

Files need to check are: /etc/asterisk/res_odbc.conf /etc/odbcinst.ini To resolve this , You have to check the correct configuration of above

Databse Error mysql

Import large csv file using phpMyAdmin

October 15, 2014 eduguru 0 Comments Getting Error while upload large file from phpMyAdmin: Soution: change the memory limit in php.ini file both upload_max_filesize and post_max_size also. Then restart the httpd service (web service), Import large csv file using phpMyAdmin, You probably tried to upload a file that is too large. Please refer to documentation for a workaround for this limit.

Getting Error while upload large file from phpMyAdmin: Soution: change the memory limit in php.ini file both upload_max_filesize and post_max_size also. Then restart the httpd

Databse mysql

MySQL Skip Duplicate Replication Errors : skip replication error

October 13, 2014October 13, 2014 eduguru 2 Comments 'ALL', and from here we have: _ Error: 1062 SQLSTATE: 23000 (ER_DUP_ENTRY) Message: Duplicate entry ‘%s’ for key %d_ You can skip also other type of errors, and keep the data consistent with the mater that has sent the query. You can skip such errors, as long as you know really well what are those queries and why they are failing, but again don’t do this unless you understand very well what those queries are and what impact they have on your data: slave-skip-errors=[err_code1, err_code2, etc. For example you can skip just one query that is hanging the slave using: mysql>SET GLOBAL SQL_SLAVE_SKIP_COUNTER=1; START SLAVE; There might be cases where you will want to skip more queries. , even if this is not recommended, MySQL Skip Duplicate Replication Errors : skip replication error, Normally MySQL replication will stop whenever there is an error running a query on the slave. This happens in order for us to be able to identify the problem and fix it, you would add to your my.cnf: slave-skip-errors = 1062 As shown above in my example 1062 is the error you would want to skip

Normally MySQL replication will stop whenever there is an error running a query on the slave. This happens in order for us

Download info

Speed Test : Internet Speed Tester

October 11, 2014December 8, 2014 eduguru 0 Comments 00, 000 results (0.53 seconds) Search Results Speedtest.net by Ookla - The Global Broadband Speed Test www.speedtest.net/ Test your Internet connection bandwidth to locations around the world with this in, 24, bandwith tester, click here to turn off Google Instant. +Satya WebNewsImagesVideosMoreSearch tools About 2, Desktop, internet speed test, Laptop, Mobile ... www.bandwidthplace.com/ Your Speed Test for Desktop, Mobile and Tablets. Speedo ... Read the latest when you check your Internet speed or sign up for specific updates from ... Speed Test | Verizon www.verizon.com/speedtest If you are a Verizon customer, ping and much more. Reliable dsl and cable speed test up ... Internet Speed Test - What Is My IP ® - WhatIsMyIP.com www.whatismyip.com/internet-speed-test/ There are numerous free websites that allow , put your FiOS® or High Speed Internet connection to the test! Use the Verizon Speed Test to measure your network's upload and download speeds. TestMy.net Broadband Internet Speed Test testmy.net/ Chec, Quality and Performance of Your Internet Connection with the ... Our test performs two key measurements to determine the speed at which ... Speed Test by Bandwidth Place for Laptop, random data and no 3rd party applications ensure accurate connection testing. Internet Speed Test - CNET - CNET.com www.cnet.com › Web Hosting Use CNET's online bandwidth meter to test the speed of yo, Screen-reader users, Speed Test : Internet Speed Tester, Speed tester, upload, use this tool to test and improve your speed. ... Go ahead, Uttar Pradesh - From your Internet address - Use precise location - Learn more Help Send feedback Privacy & Terms

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css Tutorial

CSS Selectors – manipulate HTML element : Chapter 3

October 5, 2014October 5, 2014 eduguru 0 Comments 'RED', 'SELECT', all HTML elements with will be center-aligned: Example .center { text-align: center; color: red; } You can also specify that only specific HTML elements should be affected by a class. In the example b, all p elements with will be center-aligned: Example p.center { text-align: center; color: red; } 4. Grouping Selectors In style sheets there are often elements with the same style: h1 { text-align: ce, attributes, center, center-aligned, class, classes, color, CSS, CSS Selectors - manipulate HTML element : Chapter 3, CSS Selectors CSS selectors allow you to select and manipulate HTML element(s). CSS selectors are used to "find" (or select) HTML elements based on their id, element, elements, example, find, followed by the id of the element. The style rule below will be applied to the HTML element with id="para1": Example #para1 { text-align: center; color: red; } 3. The class Selector The class selector, followed by the name of the class: In the example below, h2, html, p { text-align: center; color: red; }, selector, selectors, separate each selector with a comma. In the example below we have grouped the selectors from the code above: Example h1, so you should use the id selector when you want to find a single, specific, style, text-align, types, unique element. To find an element with a specific id, values of attributes and much more. 1. The element Selector The element selector selects elements based on the element name.You can select all elements on a page like this: (all elements will be cente, will, with a red text color) Example p { text-align: center; color: red; } 2. The id Selector The id selector uses the id attribute of an HTML tag to find the specific element. An id should be unique within, write a hash character, write a period character, you can group selectors. To group selectors

CSS Selectors CSS selectors allow you to select and manipulate HTML element(s). CSS selectors are used to “find” (or select)

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Author: eduguru

A Telephony Revolution with Asterisk

Difference between Stored Procedure and Function : SQL Server

Changing PRI card line mode to T1 or E1 without moving the jumper

Changing centos/redhat run level init 3

Failed to connect to MySQL-asterisk

Import large csv file using phpMyAdmin

MySQL Skip Duplicate Replication Errors : skip replication error

CSS Selectors – manipulate HTML element : Chapter 3