Go offhook and then onhook on the phone, does that update
the time?
With CallManager this would trigger a time/date update.
-Ryan
On Oct 31, 2006, at 12:20 PM, Lawrence E. Bakst wrote:
All,
1. I am running CME (Call Manager Express) version 3.3.
2. The time on the CME router is correct. The router is
running NTP.
3. It seems that the phones under CME 3.3 SCCP DO NOT get
the time
from CME.
4. I have seen the time off by over 4 minutes from what is
on the
router.
5. I mentioned the SIP bug because it is similar to what I
am seeing,
but I am running SCCP. The SCCP loads I am running were
mentioned in
the original post.
When you say the phone "get their time from
CMM/CME" do you know how
that works?
Best,
leb
At 9:56 AM -0500 10/31/06, Ryan Ratliff wrote:
> I missed the fact that you are using CME before but the
fact
> remains that SCCP phones get their time from CCM/CME.
Stop the
> router's time from drifting and you'll fix the phones.
>
> -Ryan
>
> On Oct 31, 2006, at 9:53 AM, Jason Aarons ((US)) wrote:
>
> Lawrence references SIP with CME 3.3, but I didn't know
SIP loads
> were a
> feature of CME. Perhaps the bug id doesn't match his
scenario,
> that he
> is using SCCP 7900s with CME, and needs his router to
sync to a NTP
> source.
>
> I've never seen SCCP phones drift except when the NTP
source that
> CCM is
> using have problems! I once had a server with a bad
time clock; the
> time
> would be all over the place, we had to quickly replace
it as Kerberos
> was freaking out causing people to be unable to login
to the domain as
> our Domain Controllers pointed to it.
>
>
> -----Original Message-----
> From: cisco-voip-bounces puck.nether.net
> [mailto:cisco-voip-bouncespuck.nether.net] On Behalf
Of Ryan Ratliff
> Sent: Tuesday, October 31, 2006 9:01 AM
> To: Lawrence E. Bakst
> Cc: cisco-voippuck.nether.net
> Subject: Re: [cisco-voip] CME 3.3 and 79xx phones with
clock drift
>
> The phones get the time from CCM. Pretty much every
time you make a
> call the time is updated from CCM to the phone so fix
the drift on
> the CCM and you'll fix the phones.
>
> -Ryan
>
> On Oct 30, 2006, at 8:24 PM, Lawrence E. Bakst wrote:
>
> Is there any way to prevent clock drift with 79xx phone
under CME
> 3.3? My CME router is synced to NTP so the router's
time is correct,
> but after weeks or months of uptime the clocks on the
phones drift. I
> am using SCCP but I found the following SIP bug:
>
> CSCef38121: Cisco 79x0: NTP Clock drift on SIP Phones
> Symptom: The Cisco 7940/7960 phones exhibit a clock
drift issue
> Workaround: A phone reset will restart the time clock.
>
> Has this been fixed in any latter versions? Is it too
much to ask
> that the phones would run NTP? It doesn't seem like
they do.
>
> I am running the following loads:
> load 7960-7940 P00306000500
> load 7920 cmterm_7920.4.0-02-01
> load 7970 TERM70.6-0-3SR1S
>
> Best,
>
> leb
>
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