[Asterisk-Users] no have dial tone

[alfa]

Hello All,


i have connect a huawei u-sys iad 101e  one way mgcp gateway to asterisk, here are my asterisk configuations:

mgcp.conf
[general]
port = 2427
bindaddr = 10.22.58.222

[10.22.58.199] 
context=iad101e 
host=dynamic
callerid = "169" <169> 
nat=no
canreinvite=yes 
line => aaln/0
 

extensions_additional.conf
exten => 169,1,Dial(MGCP/aaln/0 at 192.168.0.22)

now the problem is when i dial from a sip ext to mcgp gateway 169, the phone connected to the  mgcp gateway rings and can talk, but when i call from the mgcp gateway, it no have dial tone and cannot talk,do any know this, thanks a lot.


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