Adtran 908e Nortel Option 11c to FreePBX

[balt527]

HI, I'm stuck here and looking for some help. I have an Adtran 908e 2nd gen. setup to do SIP to PRI so we can connect a new FreePBX server to our old Nortel Option 11c. This way we can have seamless extension to extension calls. I thought this would be pretty straightforward. I have the Nortel setup with a PRI card and have the appropriate TIE route and trunks programmed. I'm able to make calls from the FreePBX to the Nortel no problem. I cannot make calls from the Nortel to the FreePBX. When attempting to call from Nortel to FreePBX all we get is a busy signal. Based on some debugging I have done this appears to be getting stuck on the Adtran. We are receiving an error 41 network temp fail. I'm hoping that I just missed some configuration in the Adtran. I will post my config below for review. Thanks!

!
!
! ADTRAN, Inc. OS version R13.7.2.E
! Boot ROM version 14.05.00.SA
! Platform: Total Access 908e (2nd Gen), part number 4242908L1
! Serial number CFG0978312
!
!
hostname "TA908e"
enable password password
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clock timezone -5-Eastern-Time
!
ip subnet-zero
ip classless
ip default-gateway 10.1.1.15
ip routing
ipv6 unicast-routing
!
!
domain-proxy
name-server 10.1.1.16 10.1.1.17 
!
!
no auto-config
!
event-history on
no logging forwarding
no logging email
!
no service password-encryption
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username "admin" password "password"
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banner motd #

        Important  
        
Web username/password is configured to admin/password.
Enable and Telnet passwords are configured to "password".
Please change them immediately. 

The ethernet 0/1 interface is enabled with an address of 192.168.80.16 
Telnet/SSH access is also enabled. 
#
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no ip firewall alg msn
no ip firewall alg mszone
no ip firewall alg h323
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no dot11ap access-point-control
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ip dhcp pool "Private"
  network 10.10.10.0 255.255.255.0
  netbios-node-type h-node
  default-router 10.10.10.1
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interface eth 0/1
  ip address  10.1.1.52  255.255.255.0 
  no shutdown
  media-gateway ip primary
!
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interface eth 0/2
  no ip address
  shutdown
!
!
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interface t1 0/1
  shutdown
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interface t1 0/2
  shutdown
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interface t1 0/3
  tdm-group 1 timeslots 1-24 speed 64
  no shutdown
!
interface t1 0/4
  shutdown
!
!
interface pri 1
  isdn switch-type dms 
  isdn name-delivery setup
  connect t1 0/3 tdm-group 1
  no shutdown
!
!
interface fxs 0/1
  no shutdown
!
interface fxs 0/2
  no shutdown
!
interface fxs 0/3
  no shutdown
!
interface fxs 0/4
  no shutdown
!
interface fxs 0/5
  no shutdown
!
interface fxs 0/6
  no shutdown
!
interface fxs 0/7
  no shutdown
!
interface fxs 0/8
  no shutdown
!
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interface fxo 0/0
  shutdown
!
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isdn-group 1
  connect pri 1
!
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timing-source t1 0/3
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no tftp server
no tftp server overwrite
http server
http secure-server
no snmp agent
no ip ftp server
no ip scp server
no ip sntp server
!
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!
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sip
sip udp 5160
no sip tcp
!
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voice feature-mode network
voice forward-mode network
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voice trunk T01 type sip
  description "SIP"
  outbound-proxy primary 10.1.1.49 udp 5160
!
voice trunk T02 type isdn
  description "ISDN"
  resource-selection linear ascending
  connect isdn-group 1
  rtp delay-mode adaptive
!
!
voice grouped-trunk SIP
  trunk T01
  accept $ cost 0
!
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voice grouped-trunk ISDN
  trunk T02
  accept $ cost 0
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line con 0
  no login
!
line telnet 0 4
  login
  password password
  no shutdown
line ssh 0 4
  login local-userlist
  no shutdown
!
sntp server pool.ntp.org
!
!
!
!
end