How to configure PSTN clients?

:smiley: hi to all,
how to configure PSTN services to Asterisk, where do i configure in SIP.conf or extensions.conf

please help me

did you read this first ?

forums.digium.com/viewtopic.php?t=4208

  1. read the manual
  2. read the manual
  3. READ THE F… MANUAL

THIS IS NOT THE CORRECT FORUM!!!