Session initiation protocol (SIP)settingsSelect Menu > Tools > Settings > Connection > SIPsettings.Session initiation protocols (SIP) are used for creating,modifying and terminating certain types of communicationsessions with one or more participants (network service).Typical communication sessions are video sharing and netcalls. SIP profiles include settings for these sessions. The SIPprofile used by default for a communication session isunderlined.To create a SIP profile, select Options > New SIP profile >Use default profile or Use existing profile.To select the SIP profile you want to use by default forcommunication sessions, select Options > Default profile.Edit SIP profilesSelect Options > Editand select from the following:• Profile name — Enter a name for the SIP profile.• Service profile — Select IETF or Nokia 3GPP.• Default access point — Select the access point to use forthe internet connection.• Public user name — Enter your user name received fromyour service provider.• Use compression — Select if compression is used.• Registration — Select the registration mode.• Use security — Select if security negotiation is used.• Proxy server — Enter the proxy server settings for thisSIP profile.• Registrar server — Enter the registration server settingsfor this SIP profile.Edit SIP proxy serversSelect Options > New SIP profile or Edit > Proxy server.Proxy servers are intermediate servers between a browsingservice and its users used by some service providers. Theseservers may provide additional security and speed up accessto the service.Select from the following:• Proxy server address — Enter the host name or IPaddress of the proxy server in use.• Realm — Enter the proxy server realm.• User name and Password — Enter your user name andpassword for the proxy server.• Allow loose routing — Select if loose routing is allowed.• Transport type — Select UDP, Autoor TCP.• Port — Enter the port number of the proxy server.Edit registration serversSelect Options > New SIP profile or Edit > Registrarserver.Select from the following:• Registrar server address — Enter the host name or IPaddress of the registrar server in use.• Realm — Enter the registrar server realm.© 2010 Nokia. All rights reserved. 121