When I check the traces of the SIP extension on the IP Office monitor, I got this error:
243153588mS SIP Reg/Opt Rx: phone
REGISTER sip:domain.com SIP/2.0
From: <sip:3300@domain.com>;tag=-198819555c92b55267f83afc_F10.152.25.252
To: <sip:3300@domain.com>
Call-ID: 1_b65859e-2c80f5dd67f83afa_R@10.152.25.252
CSeq: 751 REGISTER
Max-Forwards: 70
Via: SIP/2.0/TCP 10.152.25.252:5100;branch=z9hG4bK1_f6bf1767f3efe806bffaf04_R
Supported: replaces
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,INFO,UPDATE
User-Agent: Avaya CIE/IPOCC 10.1.2.0
Contact: <sip:3300@192.168.10.12:5100;transport=tcp;avaya-sc-enabled>;q=1;expires=10000;+sip.instance="<urn:uuid:00000000-0000-1000-8000-509a4ca1a493>";reg-id=1
Content-Length: 0
243153591mS SIP Reg/Opt Tx: phone
SIP/2.0 401 Unauthorized
Via: SIP/2.0/TCP 192.168.10.12:5100;branch=z9hG4bK1_f6bf1767f3efe806bffaf04_R
From: <sip:3300@domain.com>;tag=-198819555c92b55267f83afc_F10.152.25.252
Call-ID: 1_b65859e-2c80f5dd67f83afa_R@192.168.10.12
CSeq: 751 REGISTER
User-Agent: IP Office 11.0.0.0.0 build 849
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,REFER,NOTIFY,INFO,SUBSCRIBE,REGISTER,PUBLISH
Digest nonce="56a84f8128661c28dffe",realm="ipoffice",algorithm=MD5
Server: IP Office 11.0.0.0.0 build 849
To: <sip:3300@domain.com>;tag=1d56fe0acf566e86
Content-Length: 0
243153591mS SIP Tx: TCP 192.168.10.10:5060 -> 192.168.10.12:59622
SIP/2.0 401 Unauthorized
Via: SIP/2.0/TCP 192.168.10.12:5100;branch=z9hG4bK1_f6bf1767f3efe806bffaf04_R
From: <sip:3300@domain.com>;tag=-198819555c92b55267f83afc_F10.152.25.252
Call-ID: 1_b65859e-2c80f5dd67f83afa_R@192.168.10.12
CSeq: 751 REGISTER
User-Agent: IP Office 11.0.0.0.0 build 849
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,REFER,NOTIFY,INFO,SUBSCRIBE,REGISTER,PUBLISH
Digest nonce="56a84f8128661c28dffe",realm="ipoffice",algorithm=MD5
Server: IP Office 11.0.0.0.0 build 849
To: <sip:3300@domain.com>;tag=1d56fe0acf566e86
Content-Length: 0
243153596mS SIP Rx: TCP 192.168.10.12:59622 -> 192.168.10.10:5060
REGISTER sip:domain.com SIP/2.0
From: <sip:3300@domain.com>;tag=-198819555c92b55267f83afc_F10.152.25.252
To: <sip:3300@domain.com>
Call-ID: 1_b65859e-2c80f5dd67f83afa_R@192.168.10.12
CSeq: 752 REGISTER
Max-Forwards: 70
Via: SIP/2.0/TCP 192.168.10.12:5100;branch=z9hG4bK1_f6bf185-1dc462346bffbfb8_R
Supported: replaces
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,INFO,UPDATE
User-Agent: Avaya CIE/IPOCC 10.1.2.0
Contact: <sip:3300@192.168.10.12:5100;transport=tcp;avaya-sc-enabled>;q=1;expires=10000;+sip.instance="<urn:uuid:00000000-0000-1000-8000-509a4ca1a493>";reg-id=1
Authorization: Digest realm="ipoffice",nonce="56a84f8128661c28dffe",uri="sip:domain.com",response="46356e73214c39a84a650a98c7ad2070",username="2200"
Content-Length: 0
However, there is some other replies of IP Office to IPOCC with message SIP 200 OK
Any idea ?
Thank you