Tag Archives: asterisk
Success on the BGAN from Masaya Volcano…
Yesterday we successfully connected to Paul at the volcano using the BGAN satellite link. The following set of (five) posts will try to cover the tests we carried out, these include: Getting audio contact Video and audio synchronisation A walkabout … Continue reading
Getting audio contact
The attached video shows the point at which we got our first audio contact at the Volcano. At this point the video was running at a quarter PAL resoluction (160 x 120 pixels) at five frames per second and a … Continue reading
Video and audio synchronisation
To test how the audio and video streams are performing we do a simple five-finger test. This involves counting down from five to one using your fingers. The idea behind it is simple – the audio and video streams are … Continue reading
Video resolution configurations
We’ve used quite a few different video resolutions and a couple of frame rates. In all cases we’ve kept a constant bit rate of 200Kbps – Richard at callmonitor.com recommended this setting and it has served us well. Higher bit … Continue reading
Photos and some Skype over the BGAN from Masaya Volcano
On Saturday Paul went back up to Masaya volcano for a couple of hours in the morning. Again we used the BGAN terminal to connect to the Internet. As before, we used Skype text chat throughout as our back channel … Continue reading
Asterisk running peer to user
We’ve been developing VoIP support for ERA in the Portable VoWLAN Project (funded by JISC). JANET, through their Portable WLAN Programme, are helping us to investigate backhaul links so that our field students could access resources over the internet. We’ve … Continue reading
Ubuntu 9.10 and Bluetooth audio.
Following the release of the new 9.10 ‘Karmic Koala’ version of Ubuntu, we installed it on one of the Asus 901s, trying out a new configuration of all ext4 disk partitions and no swap partition. Discovering that the ‘Netbook Remix’ … Continue reading
Trunking calls between Asterisk servers with IAX2.
At the end of last week we managed to create an IAX to IAX trunk between 2 asterisk servers on the local wired LAN. IAX trunking is a way to connect multiple Asterisk servers and allow clients of different servers … Continue reading
MeetMe testing
Last Wednesday we did some testing of our Asterisk MeetMe setup, at dekspc medialab in London. Setting up the Asterisk server on the local wired LAN and assembling an assortment of 6 SIP clients, using Ekiga on both Windows and … Continue reading
Set up Asterisk conference calling with MeetMe.
I made my first (2-way) conference call on Asterisk/Meetme just now. To enable MeetMe with Asterisk, you first need to edit your meetme.conf in /etc/asterisk/ , mine looks like this: