[SIPForum-discussion] Clarification needed Pls - IP problem

nitin kapoor nitinkapoorr at gmail.com
Wed Apr 8 18:45:37 UTC 2009

Have you checked the NAT settings, might be becuase NAT is not enabled.

-Nitin Kapoor

2009/3/1 sipsipsip sip <sipsipsip.123 at gmail.com>

> Hi All,
>       What could be the problem !!??
>       Iam using a IMS client , where Registration is done thro OTA . The
> problem while registering with the phone while using Airtel SIM is that ,
> the client is able to register only with certain IP's ( Ex:
> but not able to register with certain IP's such as (Ex:,
> ) . what would be the problem ?? . Both the IP's have the
> same subnet mask . IP is got dynamically from Airtel by doing  a dial up .
> Setup is like -- Mobile is connected to the system , make a dial up
> connection by using a modem . Mobile has the Airtel Sim and an IP is  got
> from the Airtel Network .IP got is configured on the mobile as well as in
> the server.  Hope you understand the setup :)
> Regards,
> vinod
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