avaya with 3cx sip trunk one way problem

[chuan]

Hi all
we have two sites offices using IP PBX,avaya and 3cx.Now we have sip trunk with them.But now it works one way.3cx--->avaya ses works fine.avaya ses--->3cx call failed.avaya ses--->3cx log shows:
PS: 4444 is avaya ses ip phone.1318 is 3cx ip phone.

14:30:09.718 [CM503008]: Call(3153): Call is terminated
14:30:09.718 [CM502001]: Source info: From: "4444"<sip:[email protected]>;tag=1032975668<sip:[email protected]>
14:30:09.718 [CM503013]: Call(3153): Incoming call rejected, caller is unknown; msg=SipReq: INVITE [email protected]:5060 tid=132313437303137333d9b7.0 cseq=INVITE [email protected]:5062 / 21 from(wire)
14:30:09.718 [CM500002]: Info on incoming INVITE:
INVITE sip:[email protected]:5060;lr SIP/2.0
Via: SIP/2.0/UDP 10.0.39.150:5060;branch=z9hG4bK132313437303137333d9b7.0
Via: SIP/2.0/UDP 10.0.3.168:5062;psrrposn=1;received=10.0.3.168;branch=z9hG4bK1411744420
Max-Forwards: 69
Record-Route: <sip:10.0.39.150:5060;lr>
Contact: <sip:[email protected]:5062>
To: <sip:[email protected]>
From: "4444"<sip:[email protected]>;tag=1032975668
Call-ID: [email protected]
CSeq: 21 INVITE
Allow: INVITE, INFO, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, REFER, PUBLISH, UPDATE, MESSAGE
User-Agent: T20 9.4.0.40
Allow-Events: talk, hold, conference, refer, check-sync
P-Asserted-Identity: <sip:[email protected]>
Content-Length: 0

Do any guys encounter similar problems?