| 你的SIP settings好像跟standard的ET263不同。 
 你可以参考我的Asterisk server settings:
 
 sip.conf
 
 ;ET 263 accounts
 register => 5880xxxxx:password@sip.etelephone.cn:10002/5880xxxxx
 
 [et263]
 type=friend
 username=5880xxxxx
 secret=password
 host=sip.etelephone.cn
 fromuser=5880xxxxx
 fromdomain=net263.com
 port=10002
 dtmfmode=auto
 canreinvite=no
 insecure=port,invite
 context=from-et263
 
 
 extensions.conf
 
 ;101 ET263
 [trunk-et263]
 exten => _101.,1,Dial(SIP/${EXTEN:3}@et263,,)
 exten => _101.,n,Hangup()
 
 
 [from-et263]
 exten => 56810xxxxx,1,Dial(SIP/2001,,)
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