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Unable to register to SIP server

  • Internet Service Providers
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Last response: in Toms Network
April 10, 2010 3:52:53 PM

Can an Internet Service Provider (ISP) block access to a SIP server? If so, can I circumvent such a restriction?
I make use of two ISP's, with one of them I am unable to register with my SIP server, but with the second I am able to do so.

More about : unable register sip server

May 2, 2010 8:40:30 AM

They can, but what are you using to connect to the SIP server, is there a different firewall in the way? Equipment your using? Are they redundant connections or?