i am trying Qjsimple 0.6.3 with Kamailio 1.5 with tls support, i make the user register successfully but when i am trying to invite another user i got the following error:

"

transport_srtp Failed generating random key: unspecified failure
pjsua_call.c Error initializing media channel: Unknown error 259800 [status=259800]
Dialog destroyed
QjSimple: Error calling buddy: Unknown error 259800 [status=259800]

 "

the sip setting as the following:

protocol: tcp
srtp : mandatory
srtp requirements: tls

also i got the same error if the sip setting as the following:

protocol: tls
srtp : mandatory
srtp requirements: tls

or:
protocol: tls
srtp : mandatory
srtp requirements: sips

any body help me please?

--
Eng.Mustafa Al-Samara