In article
<1A65E6BAEADF9B4F865314484A13ECF160878E@atlas.athensdistributing.com>,
jstevens@athensdistributing.com says...> Greetings,
>
> I am cutting my teeth with SIP phones and my first issue is getting a
> Cisco 7940 to Authenticate with my VoIP provider (BBTelsys).
>
> I did read some notes on the vo-ip website about 7.5 being the better
> firmware version. Has anyone had trouble with 8.2 and SIP registering?
> Should I just downgrade to 7.5 and give it a go? I think SIP uses UDP
> 5060 correct?
>
> The phone is behind a firewall(NAT) I figure this might be an issue as
> well.
>
> Thoughts?
> Thank you for your response.
I'm using 7.4 firmware. I didn't noticed any problems. I'm not
familiar that and further firmware brings anything that will make me change
firmware.
--
Tomislav Par?ina
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