User manual

Release 2.2 Digium, Inc. Page 39
Chapter 3: Configuration
<framing>
d4
or esf for T1
cas, or ccs for E1
<coding>
ami
or b8zs for T1
ami or hdb3 for E1
E1 can also have the extra flag CRC4 at the end for CRC4 checking.
[,yellow] (optional)
If the keyword yellow follows, yellow alarm is transmitted when
Asterisk is not running.
The following is a typical setup for a telco in the US:
span=1,1,0,esf,b8zs
In Europe:
span=1,1,0,ccs,hdb3,crc4
3. Next, define the country zone. See the example configuration file for
more details.
defaultzone=us
loadzone=us
4. If you are using Asterisk, you will need to configure it to use your new
hardware. This configuration is located in /etc/asterisk/zapata.conf.
These options are subject to change with future Asterisk versions.
Examples are provided below that may work for you.