[Spce-user] Contact header too long?

Marco Teixeira admin at marcoteixeira.com
Thu Mar 23 14:20:36 EDT 2017

Forgot to mention, the peer is a Metaswitch Perimeta SBC.


On Thu, Mar 23, 2017 at 6:04 PM, Marco Teixeira <admin at marcoteixeira.com>

> Hi list,
> Trying to figure out a problem where calls incoming from peer get dropped
> around 900 secs.
> Peer vendor claiming the issue is, and I quote:
> "(...) because the request-uri is >160 bytes. (...) The reason the
> Request-URI is so long is due to the long contact header coming from
> -
> Contact: <sip:ngcp-lb at;ngcpct=7369703a3332372e302e302e313a35
> 3338303b707278726f7574653d33>"
> Please ask the customer to reduce the length of the ngcpct parameter
> coming from their SIP server."
> Has anyone ever came across this issue?
> Is 160 bytes limits even on the SIP RFC?
> How can i shorten or stop using ngcpct parameter in contact?
> Apreciate your help,
> Marco
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