maazeem

Hi I am connecting from Talk Express on one machine to Talk Express on other machine Through Axo. Call are going well from one machine but from other machine i can able to cal to the first machine. The Talk express is giving the following Error message. So please help me out Error message 16:05:47 Initiated sip call to: 102 16:05:57 Error. Other side said: Request Pending 16:05:57 Call has disconnected 16:08:39 Register attempt for proxy sip:101@gptel failed 16:08:39 501 Not Implemented