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

digium-te435f-digital-card

How To: My Recomdation: The recommended way to set line mode on your Digium 1-, 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, the span is ready for T1 mode; with the jumper on, … Read more

Changing centos/redhat run level init 3

chane run level centos

What is a runlevel ? Runlevel is the preset state in which a Linux system operates. Below mentioned are the different runlevels of a Linux system in which a linux system can be operated 0-  halt or shutdown 1- single user mode 2- multi user mode without NFS 3- full multi-user mode 4- not used … Read more

Failed to connect to MySQL-asterisk

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 file. For Example : in —  /etc/odbcinst.ini [MySQL] Description = ODBC for MySQL Driver = /usr/lib/libmyodbc3.so Setup = /usr/lib/libodbcmyS.so FileUsage = 1 or [asterisk-connector] Description = MySQL connection to ‘asterisk’ database Driver = MySQL Database … Read more

Convert seconds to hh:mm:ss format IN EXCEL

Use =A1/86400 Where A1 holds the time. Format as hh:mm:ss or whatever you need.   You can also try A1=9084 B1==TEXT(A1/(24*60*60),”hh:mm:ss”)   [xyz-ihs snippet=”Discuss”]

configuring digium TE235 and TE435 card in asterisk vicidial goautodial freepbx elastix

Digium’s (TE235) dual span digital interface cards support 48 (T1 / J1) or 60 (E1) connections to PSTN trunks over two spans (digital circuits). Built exclusively for use with Asterisk and Asterisk-based communications systems, the dual span cards provide the best value in digital connectivity. Digium TE235 and TE435 works with Any version of Asterisk … Read more

How to I disable echo cancellation module without removing the hardware?

You’ll need to: Stop Asterisk Stop DAHDI Unload the driver for your card from the Linux kernel Load the driver for your card with the module parameter “vpmsupport=0”. You can stop Asterisk with the command: asterisk -rx “core stop gracefully” You can stop DAHDI with the command: /etc/init.d/dahdi stop In order to find the kernel … Read more

WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that the RSA host key has just been changed. The fingerprint for the RSA key sent … Read more