Hi I'm using the ALIAS_DB module. username = 101 alias_username = 44444444 (fictive public phone number) 'alias_db_lookup("dbaliases")' is working fine for incoming calls from PSTN. Calling 44444444 R-URI is replaced with 101 SIP uri. But when 101 is calling to a PSTN number how do I replace the From and Contact fields with 44444444? Cheers, Martin