Asterisk PBX + cisco vg224

Помогите подружить Asterisk и VG224

Попробовал сам, но вот только 3 номера регистрируються в астериске, а остальные после небольшого времени отпадают. убьешь номер создашь опять виден какое то время

Кусок конфига:

! version 12.4 no service pad service timestamps debug datetime msec localtime show-timezone service timestamps log datetime msec localtime show-timezone no service password-encryption ! hostname VG224 ! boot-start-marker boot-end-marker ! no aaa new-model ! resource policy ! clock timezone GMT 2 ip subnet-zero ip cef no ip dhcp use vrf connected ! ! ! ! voice-card 0 ! ! voice call send-alert voice rtp send-recv ! voice service pots ! voice service voip allow-connections h323 to h323 allow-connections h323 to sip allow-connections sip to h323 allow-connections sip to sip sip bind control source-interface FastEthernet0/0 bind media source-interface FastEthernet0/0 registrar server ! ! voice class codec 1 codec preference 1 g711ulaw ! archive log config hidekeys ! ! ! interface FastEthernet0/0 ip address 192.168.1.2 255.255.255.0 duplex half speed auto ! interface FastEthernet0/1 no ip address shutdown duplex auto speed auto ! ip classless ip route 0.0.0.0 0.0.0.0 192.168.1.1 ! ip http server ! dialer-list 1 protocol ip permit ! ! control-plane ! ! voice-port 2/0 timeouts call-disconnect 5 station-id name P0-2000 station-id number 2000 caller-id enable ! dial-peer voice 100 voip huntstop destination-pattern ^[0-9].T voice-class codec 1 session protocol sipv2 session target sip-server dtmf-relay sip-notify rtp-nte no vad ! dial-peer voice 11 pots destination-pattern 2000 port 2/0 authentication username 2000 password ххххххххххххххх ! ! sip-ua authentication username xxxxxxx password ххххххххххххххх retry invite 2 retry response 10 timers trying 1000 timers connect 100 timers connection aging 30 timers register 100 mwi-server ipv4:192.168.1.1 expires 3600 port 5060 transport udp registrar ipv4:192.168.1.1:5060 expires 3600 sip-server ipv4:192.168.1.1 offer call-hold conn-addr ! ! line con 0 line aux 0 line vty 0 4 password xxxxxxx login ! ntp clock-period 17180221 ntp server 192.168.1.1 end