[OpenSIPStack] [open sipstack] 403 Forbidden

[haripriya a. <har...@re...>]

  
Hi,
I am trying to call a tollfree number from OSSPhone.
OSSPhone is successfully registered. But call is disconnecting becoz of 403 Forbidden. Can any one help me.
Here i am sending the log messages.

>>> REGISTER sip:202.71.134.13 SIP/2.0 DST: 202.71.134.13:5060:UDP  SRC: 172.16.0.5:5060 enc=0 bytes=785
----------------4:00:50.808----------------
<<< SIP/2.0 100 Trying  SRC: 202.71.134.13:5060:UDP enc=0 bytes=316
----------------4:00:50.821----------------
<<< SIP/2.0 200 OK  SRC: 202.71.134.13:5060:UDP enc=0 bytes=403
>>> INVITE sip:17187773456@202.71.134.13 SIP/2.0 DST: 202.71.134.13:5060:UDP  SRC: 172.16.0.5:5060 enc=0 bytes=1030
----------------4:01:00.943----------------
<<< SIP/2.0 100 Trying  SRC: 202.71.134.13:5060:UDP enc=0 bytes=305
----------------4:01:00.984----------------
<<< SIP/2.0 403 Forbidden  SRC: 202.71.134.13:5060:UDP enc=0 bytes=308
----------------4:01:00.999----------------
>>> ACK sip:17187773456@202.71.134.13 SIP/2.0 DST: 202.71.134.13:5060:UDP  SRC: 172.16.0.5:5060 enc=0 bytes=771


Thanks in Advance.

Regards,
Haripriya.