nat sip traversal not work

Unanswered Question
Jun 28th, 2010
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Task: we have Softswitch (SS) on Private network: 192...../ bihinde it Cisco 2811 (SBC). The IP-Phone is placed on other private network ......./ Config of Cisco 2811 see below. IP phone register without problem but with private address ......... at SS.

Nat does not change address in sip pakets sended to SS. I am not understand where problem is.

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Abu Hadee Mon, 06/28/2010 - 23:25
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Which interface the IP Phone connects to?

If the packet between IP Phone and soft switch travel via fa0/0 and fa0/1.2, then NAT wont work. But it's not going via OutSide NAT interface.

Thank you

- abu


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