Dear, If any one can Add dynamic url based on sip extension and pass , how can retrive this parametre at issabel extension admin page https://oem.zoiper.com/qr.php?Provider_ID=xxxxxxxxx&u=&h=&p=&o=&t=&x=&a=&tr= username after the u= and/or the password after the p= Use the &h= variable to overwrite the host. Use the &o= variable to overwrite the outbound proxy. Use the &x= variable to provide a provisioning server. Use the &tr= variable to overwrite the transport type. Use values: 0 - UDP, 1 - TCP, 2 - TLS.