Configuration 3.371PasswordEnter the password to be used for authorisation during registration and calling.Other SettingsLocal SIP portSet the communication port to be used for SIP signalling by 2N® Helios IP. Thechange of this parameter will not show until the next 2N® Helios IP restart. Thedefault value is 5060.Send KeepAlive packetsSet whether or not 2N® Helios IP should periodically query about the state of thecalled station using the SIP OPTIONS requests during a call. Use this option todetect a disconnected or defective station.Initial RTP portSet the initial port for the range of 60 RTP ports to be used for audio and videotransfers. The default value is 5000 (i.e. the range of 5060-5059).RTP TimeoutSet the time limit for receiving audio stream RTP packets during a call. When thelimit is exceeded, the call is terminated by 2N® Helios IP. Set 0 to disable thislimitation.SIP Proxy SettingsProxy addressSet the IP address of the SIP proxy used by 2N® Helios IP for calling.Proxy portSet the SIP signalling port to the SIP proxy.SIP Proxy RegistrationRegister 2N® Helios IPSet whether 2N® Helios IP should register with the SIP proxy.Registration expiresSet the minimum time for 2N® Helios IP registration attempts.Registrar addressSet the registrar IP address.Registrar portSet the registrar communication port.