Re: [MTP3] Change Over procedure for 2M TDM links

Hi
	I was asking in MTP2 level whether 2M links can be used. Also I
wanted the details of ChangeOver procedures like , which message COO/XCO
should be used and what is the FSN parameter size 12bits or 24bits....

Regards
Santhanakrishnan


-----Original Message-----
From: arif khan [mailto:[email protected]] 
Sent: Tuesday, April 05, 2011 7:58 PM
To: [email protected]
Cc: [email protected]
Subject: Re: [Sigtran] [MTP3] Change Over procedure for 2M TDM links

Yes ....It is possible with broadband support at the SCCP and MTP3 Level for
HSL

Regards
-arif



On 4/5/11, Santhana <[email protected]> wrote:
> Hi
>
>       I am not sure whether I can send queries regarding MTP3 in this WG.
If
> I am wrong pls suggest the group from which I can get the below MTP3 query
> clarified.
>
>
>
> My Query:
>
>       Can MTP2 be run on 1.5/2M links ?
>
>
>
>       In Q.703 it is explained that for the ChangeOver procedures of 2M
> links extended sequence number may be used for FSN/BSN transporting. It is
> also mentioned that the extended sequence numbers should be of 12 bits in
> this case.
>
>       In the Note(6) page no 82, it refers to Q.2210(MTP3B) specification.
>
>
>
>       Does this mean that for 2M MTP2 links XCO/XCA should be exchanged?
>
>
>
>       But as per this Q.2210 the XCO/XCA use a 24 bit sequence number. But
> above in Q.703 only 12 bits is suggested for 2M links. How to use this
> XCO/XCA for 2M links ? Can we use least significant 12 bits of the XCO FSN
> parameter to convey the 12 bit sequence number ?
>
>
>
>       Pls help me understand this point.
>
>
>
> Thanks & Regards
>
> Santhanakrishnan
>
>