...
Asterisk is a complete PBX in software. It runs on Linux, BSD, Windows (emulated) and provides all of the features you would expect from a PBX and more. Asterisk does voice over IP in four protocols, and can interoperate with almost all standard-based telephony equipments using relatively cost-effective hardware. Asterisk provides Voicemail services with Directory, Call Conferencing, Interactive Voice Response, and Call Queuing. It supports three-way calling, caller ID services, ADSI, IAX, SIP, H323 (as both client and gateway), MGCP (call manager only) and SCCP/Skinny (voip-info.org).
...
Figure 1 Topology
1.2 What is B800P
OpenVox B800P is a PCI 2.2 compliant card which supports 8 BRI S/T interface. The BRI port can be set to TE or NT mode by jumpers. This port configuration is detected automatically by the driver.
...
B800P is compatible with 32-bit 3.3V PCI slot, 32-bit 5.0V PCI slot, 64-bit 3.3V PCI slot or 64-bit 5.0V PCI slot except PCI-E slot; you should confirm your slot type firstly and then insert B800P into any type of PCI slot as previously described. Some slots are described like that.
Figure 2 PCI-E and PCI slots
2.3 Setting Card ID
If want to install more than one card of B800P in a PC, you should take care of the card ID switch. There are two pieces of rules you must obey:
...
This feature is applied to connect two BRI cards.
Figure 3 Jumper settings
2.7 Hardware setup procedure
...
Please comment out the following line:
Then add the following two lines after the above action:
3.2 Installation
...
Check the outcome and confirm your system has recognized B800P. If it has been recognized, "ISDN controller" will be displayed in the output information like that:
Figure 4 Hardware detection
If B800P is not recognized by the system, you have to power off and take out the card to insert it into another PCI slot.
...
A part of system.conf which is one of the basic configuration files is displayed as follows:
Figure 5 A part of system.conf
2. Country mode modification
...
A part of file /etc/asterisk/dahdi-channels.conf is showed as below. (Modification, if it is not agree with the hardware setup)
Figure 6 A part of dahdi-channels.conf
3. Asterisk initiation
Execute a command to start Asterisk:
...
"dahdi show channels"and "pri show spans":
Figure 7 channels and spans show
If you can see the span is up and active and not "In Alarm”, it means successful installation. Otherwise, please check the configuration files and physical connections.
...
# vim /etc/asterisk/extensions.conf
Figure 8 dialplan
After saving your dialplan, please run "asterisk –r", then execute "reload" in the CLI. Now you are able to make calls. The above dialplan achieves that:
...