HI everyone, I am trying make a call to gsm numbers through pjsip (GUI) . but i am getting the Error message pjnotfound (cannot make a call) . but i can a call to the ekiga.net accounts If any API 's needed Then Tell me how to include those API's. i am using carbide c++ 2.3 and s60 MR SDK . and i cant install sis when i use the VAS or APS . i use the symbian developer certficate to sign the sis file. but when installing i am getting the error "Required access not granted". i asked about this in nokia forum they told that "your certificate does not include those capabilities." Any one help me to clear out this error . Thanks in advance Regards Ragu.B