Hi,
> I would like to know the mapping of SIP 18x Progress and Alert messages to
> ISDN Progress Indicator element. Is there any established standard how
> this mapping should be done?
Yes. There is an actual standard from ETSI TISPAN:
ETSI TS 183 036 V2.1.1 ISDN/SIP interworking; Protocol spec
sts.cs.columbia.edu
> [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of
> Padmaja
> Sent: Friday, April 17, 2009 8:15 AM
> To: sip-implementors@lists.cs.columbia.edu
> Subject: [Sip-implementors] SIP-ISDN interworking
>
> Hi all,
>
> I would like to know the mapping
...@lists.cs.columbia.edu] On Behalf Of
Padmaja
Sent: Friday, April 17, 2009 8:15 AM
To: sip-implementors@lists.cs.columbia.edu
Subject: [Sip-implementors] SIP-ISDN interworking
Hi all,
I would like to know the mapping of SIP 18x Progress and Alert messages
to
ISDN Progress Indicator element. Is
Hi all,
I would like to know the mapping of SIP 18x Progress and Alert messages to
ISDN Progress Indicator element. Is there any established standard how this
mapping should be done? How is the Progress indicator in ISDN related to the
presence or absence of SDP in the 18x messages? I have gone th