[Spce-user] ngcpct='sip:127.0.0.1:5080' in Contact header

[John Murray]

Andreas,

With a peer you are typically in some sort of relationship and can negotiate
any fixes (not always the case of course). But with a subscriber you are
dependent on the code in the device.
In my experience with PBXs ( naming no names (but NEC is terrible)) are very
bad with this header so it would be very helpful if there were some switch
against the subscriber to remove this as a workaround.
Getting the vendor to do something about this has always proven very
difficult/painful/slow.

Regards

John 

-----Original Message-----
From: spce-user-bounces at lists.sipwise.com
[mailto:spce-user-bounces at lists.sipwise.com] On Behalf Of Andreas Granig
Sent: 27 March 2013 15:01
To: spce-user at lists.sipwise.com
Subject: Re: [Spce-user] ngcpct='sip:127.0.0.1:5080' in Contact header

Hi,

Any URI params in the Contact header must to be preserved for correct
routing, otherwise you're opening a huge can of worms.

Andreas

On 03/27/2013 03:56 PM, Sylvester Nielsen wrote:
> Hi,
>
> When we send an invite to the peer we have ngcpct='sip:127.0.0.1:5080'
> in the contact header.
>
> Can someone tell me what this is and if we can remove it? For some 
> reason the peer think it should send BYE and CANCEL to this address 
> which makes calls hang.
>
> Med venlig hilsen
>
>     Sylvester Nielsen
>
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