[SIPForum-discussion] How SIP call can be diffrentiated based on Class4 and Class5 switch calls
Eric Burger
eburger at sipforum.org
Wed Dec 2 11:57:38 UTC 2009
In SIP there is no distinction -- Class n was about the PSTN routing
hierarchy. SIP uses an entirely different (flat) routing model.
On Dec 1, 2009, at 7:00 AM, Kshitij Bhushan wrote:
> Hi All,
>
> One basic question?
>
> How we are distinguishing the class4 and class5 switch call in SIP?
> Is through NOA or some access layer or something else.
>
> Pls reply!!!!
>
> Thanks in advance.
> Kshitij.
>
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