- Create Trunk group, Type T2 - MINI SIP or SIP
- Go to SIP Gateway settings
- SIP Gateway - fill out number of SIP Trunk Group
After this please restart the Alcatel OXE.
- Make sure that trunk channels are free.
- SIP Proxy - set minimal authentication method to SIP
Now in both cases 2N IP intercom is accessible under 300 phone number and it can call any device registered at the Alcatel OXE.
If basic variant of Minimal authentication method was enabled, then please set this option in SIP Proxy settings and properly fill in a password and authorization ID both on user settings in Alcatel OXE as well as in 2N IP intercom.
With Some telephone types please do not forget to allow DTMF sending, or type ## before entering the code for opening of the door.