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ASTERISK B2BUA
http://www.wifi.com.ar/english/voip.html
ASTERISK B2BUA
To send calls to your PSTN termination provider using the B2BUA
add this to your /usr/local/etc/ser/ser.cfg
# send out 222 prefix to B2BUA
if (uri=~"^sip:222[0-9].*@.*") {
if (!is_user_in("From", "ld")) {
sl_send_reply("403", "Payment required");
break;
};
strip (2);
rewritehostport("ipof.your.voipserver:6060");
if (!t_relay()) {
sl_reply_error();
};
break;
};
- B2BUA
to start b2bua run
/usr/local/asterisk/usr/sbin/asterisk
to connect a monitoring command line to a running asterisk b2bua
/usr/local/asterisk/usr/sbin/asterisk -r
- Mysql CDR
CDRs are stored on the mysql table cdr
CDRs are guaranteed, even if the UA crashes or the PSTN gateway
does not send a BYE message. Since the b2bua is always in the call
path, and can detect if the rtp stream has ended or timed out.
- Distributed RTP stream
To do Distributed RTP streams, install a Linux LiveCD VoIP Router,
and b2bua module in a separate machine.
Replace ipof.your.voipserver:6060 for the new ip
Ping times from the machine running asterisk b2bua and your pstn
termination provider should be as small as possible
- B2BUA demo configuration
/etc/asterisk/sip.conf
;
; SIP Configuration for Asterisk
;
[general]
port = 6060 ; Port to bind to
bindaddr = 0.0.0.0 ; Address to bind to
context = from-sip ; Default for incoming calls
callerid=No CallID
rtptimeout=60
[testvoip]
context=testvoip
type=friend
host=210.90.90.90
nat=yes
rtptimeout=60
disallow=all
allow=g729
allow=gsm
/etc/asterisk/iax.conf
disallow=all
allow=ulaw
allow=alaw
allow=g729
allow=gsm
allow=ilbc
[demo]
type=peer
username=asterisk
secret=supersecret
host=216.207.245.47
;sendani=no
;host=asterisk.linux-support.net
;port=5036
;mask=255.255.255.255
;qualify=yes ; Make sure this peer is alive
;jitterbuffer=no ; Turn off jitter buffer for this peer
[level3]
type=peer
username=fonosip
secret=secret
host=216.19.19.19
context=default
;auth=md5
/etc/asterisk/extensions.conf
[testvoip]
exten => _1.,1,Dial(SIP/${EXTEN}@203.90.90.90,,r)
;exten => _1.,1,Dial(IAX2/testvoip@level3/${EXTEN})
;exten => _011.,1,Dial(IAX2/testvoip@level3/${EXTEN})
/etc/asterisk/cdr_mysql.conf
[global]
hostname=localhost
dbname=ser
password=heslo
user=ser
;port=3306
sock=/var/run/mysql/mysql.sock
;userfield=1
- Important configuration and startup files
/usr/local/etc/ser/ser.cfg
/etc/asterisk/sip.conf
/etc/asterisk/iax.conf
/etc/asterisk/extensions.conf
/etc/asterisk/cdr_mysql.conf
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