hello do anybody know a way to add "Alert-Info: <http://www.notused.com>;info=alert-group;x-line-id=0" as a custom sip header to the invite message? <action application="set" data="sip_h_X-Alert-Info=<http://www.notused.com>\;info=alert-internal\;x-line-id=0"/> works but "X-Alert-Info" as a header isn't usefull at all the purpose is to distinguish internal and external calls in a pbx. it is also described here http://wiki.snom.com/Web_Interface/V7/Preferences/Alert-Info_Ringer there was also a posting on the list by Kristian Kielhofner who suggested a very flexible solution ----- mail from: 2009-10-09 21:10 2) Make the behavior configurable with a channel variable and/or sofia config option: {sip_pass_headers=all|none|X-MyCustomHeaderByName} ----- br -- Ing. Christian Löschenkohl Technische Leitung, Forschung & Entwicklung VoIP xpirio Telekommunikation & Service GmbH Lakeside B04 9020 Klagenfurt Austria T +43 (0) 5 77 11 - 1000 F +43 (0) 5 77 11 - 1002 E christian.loeschenkohl@xpirio.com