DHCP Option 66 data gets mangled on the way to client ?

I have a 3750G issuing DHCP to a bunch of voip phones and mostly seems to work.
I have option 66 configured
ip dhcp pool Phones
   network 192.168.200.0 255.255.255.0
   default-router 192.168.200.254
   option 66 ip 192.168.200.200

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but when I look at the phones GUI I see this odd value
	DHCP Option Server Path	@(HH

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I'm not even sure what question to ask other than is there a different way I'm supposed to set option 66?
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Salad-DodgerAsked:
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JustInCaseCommented:
Beside URL you may need to provide DNS server (and maybe domain name).

ip dhcp pool Phones
 network 192.168.200.0 255.255.255.0
 default-router 192.168.200.254
 ! domain-name <domain.name>
 dns-server <DNS_server_IP_add>
 option 66 ascii "<Whatever_phone_expect_to_ be_here>"
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
Shouldn't you provide an URL for option 66 (autoprovision path)?
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Salad-DodgerAuthor Commented:
There is no DNS server available in this (linux) system. so if 66 requires a URL (or the phone does which I am investigating) then I can't use it after all.
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
The URL may contain an IP address, it doesn't necessarily need to use DNS. Something like \\10.10.10.10\autoprovision.html
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Salad-DodgerAuthor Commented:
ASCII . . . bullseye! that made it work. Thank you
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JustInCaseCommented:
You're welcome.
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
ASCII and the URL, or ASCII and IP address?
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Salad-DodgerAuthor Commented:
Hi Qlemo

ascii and the ip address. No path after the IP was required - I'm sure that varies by client but in this case that's all that was needed.

Nobody was happier than I when they all snapped to life after that worked.
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