Recommended VOIP Monitoring Tools

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As system administrator, monitoring the continuity of services is vital. Today I would like to highlight some tools that could come in handy for VoIP monitoring.

Nagios

For those of you who didn't know it, Nagios can be configured to monitor pretty much anything you want, including Asterisk servers. Actually, with Nagios the (much) harder part is deciding what’s relevant to monitor, and what your alarm thresholds should be set at. Some VoIP community members have reported that they used Nagios to monitor ~4,000 hosts and about 8,000 to 10,000 services before they started running into scaling problems on a single box. For…

Asterisk Tips 3 years ago 2 Answer

Clipping issue with SIP over satellite

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I'm having a wierd clipping issue with one employee who's using a phone
over a satellite Internet. He was sold that system specifically for use
with VoIP. Ping times show average round-trip time as around 700 ms with a
range of 560 to 841, so considerable jitter. Things work fine when he's talking to another Asterisk phone or to a SIP
trunk provider, but when connecting to a T1, there's clipping where about
1/3 of his voice (in intervals of maybe 200ms) are removed. This sounds
like an echo canceller conflict, but I've set…

Asterisk Users 3.1 years ago 5 Answer

app_swift beta release

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Hi folks, Just a note to let everyone know I've finally finished up the new BETA release of app_swift (now v3.0.1 b1).
This release introduces some pretty major changes to app_swift such as: - The entire code-base has now been unified and the build system auto detects which Asterisk version you're using (yay! one branch!) - Auto-detection and support for both the Cepstral 5.0 and 6.0 engines - Support for Asterisk 1.4, 1.6, 1.8, 1.8 Certified, and 10 - Asterisk 1.2 support has been dropped.
I have only been able to do some basic testing with…

Asterisk Users 3.1 years ago 0 Answer

Music instead of Ring Ring

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Hello, How can I achieve to play a music file instead of typical ring ring
(something like MusicOnHold)... I have the following dialplan, the time when the user calls the context is
executed and the system calls both the user and I hear a Ringing sound. [inc-call]
exten => s,1,Dial(DAHDI/i1/USER2&DAHDI/i1/USER1,20,A(sound-file)) Please suggest

Asterisk Users 3.1 years ago 0 Answer

Getting unwanted pager email from Asterisk voicemail

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My guess is that your email provider is forwarding the message since
Asterisk should send the same content to both places. From: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Duncan
Turnbull
Sent: Thursday, May 31, 2012 6:33 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] Getting unwanted pager email from Asterisk
voicemail Hi All I am not sure why but I am getting a pager email as well as a voicemail
email when a voicemail is left. I am guessing its a setting somewhere but I
can't find it…

Asterisk Users 3.1 years ago 3 Answer