My GPRS/EDGE can't work properly(always give me "Could not activate the EDGE"), so i want try the manual setup method. if success, i will write a script to do it.

1. setup minicom use /dev/tty.debug
2. open minicom, issue the AT Command.
Code:
at+cgdcont=1,"ip","cmwap"
OK
at+cgact=1
OK
at+cgdcont?
+CGDCONT: 1,"IP","cmwap","10.13.134.133 ",0,0

OK
at+cgdata="m-raw_ip",1
CONNECT
3 ifconfig ip1 10.13.134.133 10.13.134.133
Code:
# ifconfig
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULT ICAST> mtu 1500
inet 192.168.12.124 netmask 0xffffff00 broadcast 192.168.12.255
ether (deleted)
ip1: flags=8011<UP,POINTOPOINT,MULTICAST> mtu 1450
inet 10.13.134.133 --> 10.13.134.133 netmask 0xff000000
ip2: flags=8011<UP,POINTOPOINT,MULTICAST> mtu 1500
route add -net 10.0.0.0 10.13.134.133
Code:
# netstat -nr
Routing tables

Internet:
Destination Gateway Flags Refs Use Netif Expire
10 10.13.134.133 UGSc 0 78 ip1
10.13.134.133 10.13.134.133 UH 0 3 ip1
127 127.0.0.1 UCS 0 0 lo0
127.0.0.1 127.0.0.1 UH 0 0 lo0
169.254 link#2 UCS 0 0 en0
192.168.12 link#2 UCS 2 0 en0
192.168.12.1 (mac deleted) UHLW 0 2 en0 958
192.168.12.123 (mac deleted) UHLW 1 197 en0 914
ping a known address
ping 10.0.0.172
can't work.
Can anyone here help me?