Recommended VOIP Monitoring Tools


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.


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 3.3 years ago 2 Answers

India Telecom regulations


Hi All,
Because I am pretty sure we have people in this DL from India, I was hoping
to get the 100% accurate information, is it legal to make calls from any
coutry to Indian mobile phones through an Asterisk server based in India?

Asterisk Users 3.9 years ago 6 Answers

vigor 2920 problems


One of our clients has a Draytek Vigor 2920- their natted Snom phones
behind it are registered to an Asterisk 1.4 server on an external public IP. I've set QOS, bandwidth management and turned off the SIP ALG via telnet
but I'm still having some problems with some of the phones losing
registration if Asterisk is restarted. I can see the phones sending SIP REGISTER messages, but they never arrive
at the server; this happens in about half of the phones- with no
consistency as to which lose registration. It looks like the router is…

Asterisk Users 3.9 years ago 3 Answers