[SIPForum-discussion] in REGISTER method can we use Tel URI?

Wed May 29 19:28:03 UTC 2013

Hi Michael,

Just try to understand the purpose of REGISTER.. It is used by an end-point
to register it's credentials to the registrar in-charge of a particular
domain(provided in req-uri) with its own location details(provided in
contact)...
Now, just ask yourself, if the Req-URI is a tel one, how you're going to
achieve that..

RFC does not mandate anything here.. It's use-case based...So if you can
achieve the purpose of REGISTER using tel-uri,well you are free to use
it.However, you really have to give a thought on, can you really achieve it
by using tel-uri ?

P.S. user part is mandatory in tel-uri.

Regards,
Rakesh Datta
CISCO Systems Inc.

On Wed, May 29, 2013 at 12:24 PM, rupandeep singh <er_rupandeep at yahoo.com>wrote:

> Hi Chandra,
>
> Here we are talking about Request-Uri in REGISTER request and not
> contact-uri.
> We can register any type of contact-uri but in Register request the uri
> identifies the domain and not the user so we cant use tel-uri here.
>
> Regards
> Rupandeep Singh
>
>
>   ------------------------------
>  *From:* "chandrasekhara.madduri at wipro.com" <
> chandrasekhara.madduri at wipro.com>
> *To:* er_rupandeep at yahoo.com; Vijay.Badola at onmobile.com;
> amit.chhikara at hotmail.com; discussion at sipforum.org
> *Sent:* Tuesday, May 28, 2013 8:49 PM
> *Subject:* RE: [SIPForum-discussion] in REGISTER method can we use Tel
> URI?
>
>  Hi,
>
> But section 10.2.1 says the following...
>
>  The Contact header field values of the request typically consist of
>    SIP or SIPS URIs that identify particular SIP endpoints (for example,
>    "sip:carol at cube2214a.chicago.com"), but they MAY use any URI scheme.
>    A SIP UA can choose to register telephone numbers (with the tel URL,
>    RFC 2806 <http://tools.ietf.org/html/rfc2806> [9<http://tools.ietf.org/html/rfc3261#ref-9>])
> or email addresses (with a mailto URL, RFC 2368<http://tools.ietf.org/html/rfc2368>[
> 32 <http://tools.ietf.org/html/rfc3261#ref-32>])
>    as Contacts for an address-of-record, for example.
>  Whích means we have an option to use the tel uri for registering.
>
> Thanks & regards,
> Chandra Madduri
>  ------------------------------
> *From:* discussion-bounces at sipforum.org [discussion-bounces at sipforum.org]
> on behalf of rupandeep singh [er_rupandeep at yahoo.com]
> *Sent:* 27 May 2013 14:51:55
> *To:* Vijay Badola; Michael Scofield; discussion at sipforum.org
> *Subject:* Re: [SIPForum-discussion] in REGISTER method can we use Tel
> URI?
>
>   Request-Uri points to the domain of the user and doesn't point to any
> entity so it should always be a FQDN.
> >From RFC 3261
>
>       Request-URI: The Request-URI names the domain of the location
>            service for which the registration is meant (for example,
>            "sip:chicago.com").  The "userinfo" and "@" components of the
>            SIP URI MUST NOT be present
>
> I think this will clear your doubt
>
> Regards
> Rupandeep Singh
>
>
>
>
>   ------------------------------
> *From:* Vijay Badola <Vijay.Badola at onmobile.com>
> *To:* Michael Scofield <amit.chhikara at hotmail.com>; "
> discussion at sipforum.org" <discussion at sipforum.org>
> *Sent:* Thursday, April 4, 2013 5:01 PM
> *Subject:* Re: [SIPForum-discussion] in REGISTER method can we use Tel
> URI?
>
>   Request URI of SIP Register Request contain domain of the location
> service for which the
> registration is meant (for example, "sip:abc.com")  and as we know,
> request uri for Register request does not contain User information.
> Also SIP Registrar is SIP entity and it will have a sip address.
> I have not found written anywhere related to TEL URI in REGISTER request,
> But from SIP RFCs, I THINK we SHOULD use SIP URI in Request Uri instead of
> TEL URI.
>
> ,vijay
>
>
>  *From:* discussion-bounces at sipforum.org [
> mailto:discussion-bounces at sipforum.org <discussion-bounces at sipforum.org>]
> *On Behalf Of *Michael Scofield
> *Sent:* Wednesday, March 20, 2013 1:45 PM
> *To:* discussion at sipforum.org
> *Subject:* [SIPForum-discussion] in REGISTER method can we use Tel URI?
>
>  Hi All,
>
>  In register method request URI can we use TEL URI?
>
>  Please help me in this regard.
>
>  Thanks!!! in Advance.
>
>  Regards,
>  Michael
>
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