Hello, I have a problem authentication my ATA devices with mysql , I have this configuration; The configuration in my sjphone is working. SJPHONE: 192.168.10.90 ATA IP: 192.168.10.96 SER: 192.168.10.91 SIP_DOMAIN="192.168.10.91" ser.cfg alias="192.168.10.91" loadmodule "/usr/local/lib/ser/modules/mysql.so" loadmodule "/usr/local/lib/ser/modules/auth.so" loadmodule "/usr/local/lib/ser/modules/auth_db.so" modparam("usrloc", "db_mode", 2) if (!www_authorize("192.168.10.91", "subscriber")) { www_challenge("192.168.10.91", "0"); break; }; ATA version 3.2 UID0: 911211389 PWD0: bolo UseLoginID: 1 Proxy: 192.168.10.91 SJPHONE Proxy: 192.168.10.91 Domain: 192.168.10.91 Account: 911211390 Password: bolo MYSQL serctl add 911211389 bolo 911211390(a)192.168.10.91 serctl add 911211390 bolo 911211390(a)192.168.10.91 And this is why I have in my ethereal SJPHONE --> SER sip.Request-Line = Request-Line: REGISTER sip:192.168.10.91 SIP/2.0x sip.From = From: <sip:911211390@192.168.10.91>;tag=147639828 sip.To = To: <sip:911211390@192.168.10.91> sip.Authorization = Authorization: Digest username="911211390",realm="192.168.10.91",nonce="41c046cac4f98869173e6aa7a2bb4517a7f7e9d6",uri="sip:192.168.10.91",response="2751aa78ee74298024815ba8cf35f2a7" SER --> SJPHONE sip.Status-Line = Status-Line: SIP/2.0 200 OK sip.From = From: <sip:911211390@192.168.10.91>;tag=147639828 sip.To = To: <sip:911211390@192.168.10.91>;tag=8e7dfe287ff1fc069b31517361891514.a624 sip.Warning = Warning: 392 192.168.10.91:5060 "Noisy feedback tells: pid=2409 req_src_ip=192.168.10.90 req_src_port=5060 in_uri=sip:192.168.10.91 out_uri=sip:192.168.10.91 via_cnt==1" ATA --> SER sip.Request-Line = Request-Line: REGISTER sip:192.168.10.91 SIP/2.0 sip.From = From: 911211389 <sip:911211389@192.168.10.91;user=phone>;tag=2633904518 sip.To = To: 911211389 <sip:911211389@192.168.10.91;user=phone> sip.Authorization = Authorization: Digest username="911211389",realm="192.168.10.91",nonce="41c054a27a512a571fd108a7cb2c15aaba345768",uri="sip:192.168.10.91",response="924c72dcd60682cbe463a1dbe5521581" SER --> ATA sip.Status-Line = Status-Line: SIP/2.0 401 Unauthorized sip.From = From: 911211389 <sip:911211389@192.168.10.91;user=phone>;tag=2633904518 sip.To = To: 911211389 <sip:911211389@192.168.10.91;user=phone>;tag=8e7dfe287ff1fc069b31517361891514.2cd2 sip.WWW-Authenticate = WWW-Authenticate: Digest realm="192.168.10.91", nonce="41c054a27a512a571fd108a7cb2c15aaba345768" sip.Warning = Warning: 392 192.168.10.91:5060 "Noisy feedback tells: pid=2391 req_src_ip=192.168.10.96 req_src_port=5060 in_uri=sip:192.168.10.91 out_uri=sip:192.168.10.91 via_cnt==1" I donno why my sjphone is registring withoput problems and my ATA is rejected, any help will be nice Thx in advance.