Телефония между cisco и asterisk

Привязка сервисов телефонии к конкретному адресу/интерфейсу (в данном примере Loopback0).

Протокол H323:

interface Loopback0
 ip address 10.0.0.1 255.255.255.0
 h323-gateway voip bind srcaddr 10.0.0.1

Протокол SIP:

[c2811]
type=peer
host=192.168.41.1
context=frompstn
qualify=yes
t38_updtl=yes
dtmfmode=rfc2833
disallow=all
allow=g729
nat=no
transport=udp
insecure=port,invite
cancallforward=yes
canreinvite=yes

Cisco 2811:

!
voice service voip
allow-connections sip to h323
fax protocol pass-through g711ulaw
h323
no call service stop
sip
bind control source-interface FastEthernet0/0.1
bind media source-interface FastEthernet0/0.1
no call service stop
!

!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
!
interface FastEthernet0/0.1
encapsulation dot1Q 41
ip address 192.168.41.1 255.255.255.0
!