configuring Astra 6731 phone

can someone help me with configuring an Astra 6731 phone:
sip proxy ip: 41.227.#.#
sip proxy port: 5060
sip registrar ip: 41.227.#.#
sip registrar port: 5060
sip line1 screen name: test
sip line1 display name: test
sip line1 auth name: 22222
sip line1 user name: 22222
sip line1 password: 22222

X-Lite connecty but is Astra 6731 not connectry.

thanks

Hassen