[SIPForum-discussion] How many SIP clients can be behind NAT

[Mario Christopher Avila Rosas]

Hi:

All SBCs  should work as Firewalls protecting private SIP/IMS networks. 
SBCs from some vendors support several security functions .
The main functionality of an SBC (acting either as ABG or NBG) is to 
protect youre core network, NAT sip requests, and many others.
You can send media traffic from the UA-a to the  SBC and then  from the 
SBC to UA-b. This is called media  anchoring. This can be disabled
and the media traffic will take place directly from/to UA-a to/from 
UA-b. All depends on your needs.

///Mario Christopher

WILLIAM SANDOVAL GARZÓN wrote:
> Hi all
>
> Someone help me, i need to know  if the SBC works like a firewall. we 
> would like send media traffic through internet and need security for 
> my network
>
>
> bs
>
> William
>
>
> 2009/5/27 abhishek kapoor <kapoorabhishek at gmail.com 
> <mailto:kapoorabhishek at gmail.com>>
>
>     Hi,
>
>     Is there any limit on number of SIP clients which can be behind
>     single NAT?
>
>     Actually we need to set in SBC, maximum number of untrusted users
>     allowed before entire NAT device is demoted.
>
>     With regards
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