Does that mean ATA190's web admin page? If it does, this page's reply will help you, I think.https://supportforums.cisco.com/discussion/12279506/ata-190-web-interface-id-password
Hi,Follow Admin Guide Chapter. B and password is cisco (24726) by default.http://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/cata/190/1_0/english/administration/guide/sip/ATA190_AG.pdf Thanks,Yasuhiro