SIP-SS#7 interworking

Not sure what you mean by a PSTN port but if it's a PSTN
endpoint (E.164
number); the answer is using a TEL URI which is documented
in RFC 3966. 

You can register a TEL URI by specifying it in the CONTACT
header in a
REGISTER method. Subsequently, the requests may be routed to
this URI using
any conversion mechanism like ENUM etc. The link http://service.enum.org.t
w/
is an active on-going SIP-ENUM trail.

I hope this helps.

Regards,
Gaurav

-----Original Message-----
From: sip-implementors-bouncescs.columbia.edu
[mailto:sip-implementors-bouncescs.columbia.edu] On Behalf
Of Vivek Gupta
Sent: Saturday, November 25, 2006 5:03 AM
To: sip-implementorscs.columbia.edu
Subject: [Sip-implementors] SIP-SS#7 interworking

Hi,

In SIP-SS#7 inter working scenario, how PSTN ports are
registered into 
the SIP network?

With regards
Vivek Gupta

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