hello,
i have a ASA 5510 with CSC module, and i have CCM 5.1, i configured IP trunk between the call manager and international call provider through internet using SIP protocol, and that is my configuration :
SA Version 7.2(1)
!
hostname Itisaluna-Firewall
domain-name Itisaluna.com
!
interface Ethernet0/0
nameif outside
security-level 0
ip address 255.255.255.248
!
interface Ethernet0/1
nameif inside
security-level 100
ip address 10.82.3.10 255.255.255.0
!
interface Ethernet0/2
nameif backup
security-level 0
ip address 192.168.1.10 255.255.255.0
!
interface Management0/0
nameif management
security-level 100
ip address 10.82.4.10 255.255.255.0
management-only
!
b
access-list outside_access_in extended permit udp any host Voice_GW_REAL eq sip
access-list outside_access_in extended permit tcp any host Voice_GW_REAL eq sip
access-list VGW extended permit udp any any eq sip
access-list VGW extended permit tcp any any eq sip
p
static (inside,outside) Voice_GW_REAL CCM_private netmask 255.255.255.255
access-group outside_access_in in interface outside
!
class-map inside-class
match access-list inside_mpc_in
class-map SIP-TRAFIC
match access-list VGW
class-map RTP-TEST
match rtp 16384 554
class-map outside-class
match access-list outside_mpc_in
!
!
policy-map global_policy
class SIP-TRAFIC
inspect sip
policy-map outside-policy
class outside-class
csc fail-open
class RTP-TEST
policy-map inside-policy
class inside-class
csc fail-open
!
service-policy global_policy global
service-policy outside-policy interface outside
service-policy inside-policy interface inside
my problem is that when i make an international call , i hear the person who i talk , but he didnt hear me, can you please help me for this case
