Run away connections for SIP MTAs on an ASA

ASA Version 8.2(1) 
!
hostname voipasa1
: Saved
: Written by enable_15 at 00:54:14.499 UTC Tue Jul 14 2009
!
ASA Version 8.2(1) 
!
hostname voipasa1
domain-name myco.org
enable password s8MB4sBN1leN6LzZ encrypted
passwd q3vfYQJHx.L0KLPi encrypted
names
!
interface GigabitEthernet0/0
 nameif outside
 security-level 0
 ip address 1.1.1.2 255.255.255.248 
!
interface GigabitEthernet0/1
 nameif inside
 security-level 100
 ip address 10.13.0.1 255.255.255.0 
!
interface GigabitEthernet0/2
!
interface GigabitEthernet0/2.1
 description LAN Failover Interface
 vlan 11
!
interface GigabitEthernet0/2.2
 description STATE Failover Interface
 vlan 12
!
interface GigabitEthernet0/3
 nameif phoneco
 security-level 0
 ip address 10.35.0.158 255.255.255.252 
!
interface Management0/0
 shutdown
 no nameif
 no security-level
 no ip address
!
boot system disk0:/asa821-k8.bin
ftp mode passive
dns server-group DefaultDNS
 domain-name myco.org
object-group network VOIPPhones
 network-object 10.0.0.0 255.0.0.0
access-list acl_out extended permit icmp any any 
access-list acl_out extended permit udp host 4.4.4.164 any 
access-list phoneco_access_in extended permit icmp any any 
access-list phoneco_access_in extended permit udp host 4.4.4.164 any 
pager lines 24
logging enable
logging trap debugging
logging asdm informational
logging device-id hostname
logging host outside 2.2.2.21
mtu outside 1500
mtu inside 1500
mtu phoneco 1500
failover
failover lan unit secondary
failover lan interface failover GigabitEthernet0/2.1
failover key fubar
failover link state GigabitEthernet0/2.2
failover interface ip failover 192.168.254.1 255.255.255.0 standby 192.168.254.2
failover interface ip state 192.168.253.1 255.255.255.0 standby 192.168.253.2
icmp unreachable rate-limit 1 burst-size 1
icmp permit any inside
asdm image disk0:/asdm-621.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface
global (phoneco) 1 interface
nat (inside) 1 10.0.0.0 255.0.0.0
access-group acl_out in interface outside
access-group phoneco_access_in in interface phoneco
route phoneco 0.0.0.0 0.0.0.0 10.35.0.157 1 track 1
route outside 0.0.0.0 0.0.0.0 1.1.1.1 254
route inside 10.0.0.0 255.224.0.0 10.13.0.2 1
route inside 10.11.0.0 255.255.0.0 10.13.0.2 1
route inside 10.12.0.0 255.255.0.0 10.13.0.2 1
route outside 2.2.2.0 255.255.255.0 1.1.1.1 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:05:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
dynamic-access-policy-record DfltAccessPolicy
http server enable
http 2.2.2.4 255.255.255.255 outside
http 2.2.2.104 255.255.255.255 outside
snmp-server host outside 2.2.2.104 poll community boogers
snmp-server host outside 2.2.2.98 poll community boogers
snmp-server host outside 2.2.2.252 poll community boogers
snmp-server location Data Center
no snmp-server contact
snmp-server community boogers
snmp-server enable traps snmp authentication linkup linkdown coldstart
sla monitor 123
 type echo protocol ipIcmpEcho 3.3.3.162 interface phoneco
 num-packets 3
 frequency 10
sla monitor schedule 123 life forever start-time now
service resetoutside
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
!
track 1 rtr 123 reachability
telnet timeout 5
ssh 2.2.2.104 255.255.255.255 outside
ssh 2.2.2.4 255.255.255.255 outside
ssh timeout 5
console timeout 0
threat-detection basic-threat
threat-detection statistics
threat-detection statistics tcp-intercept rate-interval 30 burst-rate 400 average-rate 200
tftp-server outside 2.2.2.2 voip.cfg
webvpn
!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum 512
policy-map global_policy
 class inspection_default
  inspect dns preset_dns_map 
  inspect ftp 
  inspect h323 h225 
  inspect h323 ras 
  inspect netbios 
  inspect rsh 
  inspect rtsp 
  inspect esmtp 
  inspect sqlnet 
  inspect sunrpc 
  inspect tftp 
  inspect xdmcp 
  inspect sip  
!
service-policy global_policy global
prompt hostname context 
Cryptochecksum:b48638f7be1f3b87ac793ee2e5acf547
: end

                                  

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