[asterisk-users] Registering with a static peer?

[John Marvin]

I've been using a couple of Polycom 501 phones in my home Asterisk setup. I set 
up each phone in sip.conf to be static, i.e. host=<phone ip address> so that 
registration wasn't required. This has worked fine for me for a couple of years.

Now I just bought a Polycom 335. Since the 501's are now obsolete, I had to go 
through the steps required in order to have separate sip.cfg's, etc. Anyway, I 
got the Polycom 335 to almost work, except for the dialplan. When picking up the 
handset (or hitting the line 1 key) it put me in url-dialing mode, i.e. it 
prompted me with "Enter URL" and didn't follow the dialplan I had set for the 
phone. It took me quite some time to figure out what was going on. I finally 
found a paragraph in the phone's users guide that said:

> URL or IP dialing is not supported on registered phones. If your phone is
> intentionally unregistered, the default dialing mode is by URL.

At least that explained the cause of the problem. I could not find a way of 
changing the default dialing mode for an unregistered phone. So, I figured the 
only answer was to register the phone. Just setting the phone's "register" 
parameter to 1 (voIpProt.server.1.register="1") fixed the problem, i.e. the 
phone would now prompt me with "Enter Number" rather than "Enter URL" and 
allowed normal numeric dialing, according to the dialplan.

But of course, if I turned on verbose logging in Asterisk, it complained about 
the phone not needing to register. The only way I could get it to shut up and 
properly register was by specifying host=dynamic. I'd rather not do that, so I'm 
currently using the hack of telling the phone to register and it failing every 
30 seconds. This doesn't seem to break anything, but I can't say I'm really 
happy with the solution.

So, a couple of questions:

1) Does anyone know of a way to disable the default URL dialing mode for an 
unregistered Polycom 335?

2) Is there a way of configuring asterisk to allow static ip address 
registration in sip.conf? I can understand that this doesn't make much sense, 
but it appears the Polycom phone really wants to be registered. I prefer the 
static configuration since it is a little more secure and reliable in my opinion.

3) Assuming the answer is "no" to 1 and 2 above, is there something I am 
overlooking with my "hack" solution? Should I just go ahead and set the phone up 
for dynamic registration?

John