Are there any reason to use account.contact instead of account.reg_contact as Contact header in INVITE/MESSAGE? That way Contact in INVITE/MESSAGE is missing the sip.instance and reg-id tags. Thank you very much and regards, G. Este mensaje se dirige exclusivamente a su destinatario. Puede consultar nuestra pol?tica de env?o y recepci?n de correo electr?nico en el enlace situado m?s abajo. This message is intended exclusively for its addressee. We only send and receive email on the basis of the terms set out at http://www.tid.es/ES/PAGINAS/disclaimer.aspx
