[Asterisk-Users] Polycom phones and dynamic IP for NAT

Jerry Jones jjones at danrj.com
Mon Jan 23 18:13:21 MST 2006


Where do you have to set the public IP? We use dhcp Poly behind  
firewalls daily. Just set nat=yes in sip.conf


On Jan 23, 2006, at 3:26 PM, Bill Gibbs wrote:

> I know the Polycoms work with NAT, but you have to specify the  
> public IP.
>
>
>
> Is there anyway for it to discover the external IP automatically?
>
>
>
> I like the phones (been playing with a 301) but for some of our  
> clients who have a dynamic IP (and no hope of getting a static ie  
> cable or residential DSL) I’d be afraid to use them since you have  
> to specify the IP.
>
>
>
> What about the Cisco phones?  Is the IP hard set?  Are there any  
> good “dynamic IP” compatible SIP phones that aren’t crap?
>
>
>
> Bill
>
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