Check your parameters under SIP settings (connection to A470) - registar server, proxy server,...
Then create DECT user (matching with user created in A470)...
Display name
Number/SIP user name (from A470)
IPEI - optional (but sometime necessary) - from DECT phone
DECT authentication code - put any 4 digit (used when subscribing DECT as AC code)
Voicemail directory number
Under SIP - username and password - from user in A470
Then, click on
- Wildcard subscription - if you configured DECT without IPEI
- Start Subscription with configured IPEI (if you enetered IPEI for that DECT device) - Start
- On DECT phone, start new subscription
BR