We have technical difficulties our test that will be in production environment.
actually that system seems working quite well.
our system based on 3 parts.
firs gsm gateway that have plugged lots of gsm cards
second asterisk based on centos 5.2 64 bit
third softphone based on windows system
our topology like this
( LAN CONNECTION) ( LAN CONNECTION)
(GSM GATEWAY)-------sip trunk------(ASTERISK)------(WINDOWS XP CLIENT AND SOFTPHONE)
but we make outgoing call to cellphone almost 1 second delay
total device on test environment 1 pc, 1 asrterisk,1gsm gateway.
and how can we measure this delay with details.
thanks for your help.