Interoperability Manual 15. VoIP Providers DrayTEL ContentContentDrayTELUsed Symbols DraytTELTested with RegisteringCallVideoSwitchVideo Preview2N IP Intercom 2.17.0.26.4 Basic SettingsAfter registering at draytel.org, you will recieve e-mail with SIP credentials. Credential are needed to be filled in as follows:DrayTEL2N IP Intercom UsernamePhone Number (ID), Authentication IDPasswordPassword DomainDomain, Proxy Address, Registrar Address Settings with - private addressIf 2N IP Intercom is in private network, it is needed to change ports and server adresses according to following: Used Symbols - Compatible - Work with limitation - Incompatible