IP Telephony and Phones

I have CUCM 8.5.  Calls coming into the gateway seem to drop and then resend.  I am seeing a bunch of invites coming in repeatedly, but when you answer the call, you get a fast busy, and the call is re-initiated.  The PSTN caller continues to hear ri...

Hi all, I have FXO disconnect problem, I tried to set custom cptone and dualtone-detect-params.After adding the configuration the problem has been solved except one scenario: B-ACD Tcl answers the call, the caller enters the extension and the extensi...

"CallManager Server heartbeat rate below 24 beats per minute. Current heartbeat rate is 11 beats per minute. "I have been having NTP errors so I changed the publisher to look at another NTP server and now I am seeing these kinds of heartbeat errors. ...

i need help to know if cucm7.1(3) supprt end to end rsvp through sip trunk or its available only in version 8.XXX any one could help me ????? please tell me as i searched it in sip profile and i didnto find it in ccm7.1(3)

Found this example of invoking a transcoder:voice-card 0dspfarmdsp services dspfarmsccp local FastEthernet0/0sccp ccm 10.1.11.4 identifier 1sccpsccp ccm group 1associate ccm 1associate profile 1 register mtp0013c3443150dspfarm profile 1 transcodecode...

All,Have a 2851 running spservices 12.4(22)T and CUCME 7.0.1  w/ Unity Express  3.1.1 on an Integrated Service Engine.We're trying to enable AutoAttendant using the default 'autoattendant'  profile and 'aasimple.aef' script.  The receiving FXO port a...

Hi GuysI have a problem whereby when I do configuration via GUI for my CME 4.1, I will sometimes get "Invalid ITS command option" (There is nothing wrong with my changes, as I have did the configuration numerous times). When I get this error, I can'...

iam implementing Local rsvp betwen local trunk cluster(location 2) and also another location (Location 1) because the end to end rsvp between my two cluster not supported (7.X) but i need to use g729 codec between two location and because i need two ...

I have CME 4.2 and Exchange 2010 Unified Messaging working great, but am lost with MWI. On each of the phones button 1 is the incoming pots line. I have unified messaging configured to pick up this line as a general mailbox. It works fine from both i...

Is there a limit on how mnay gateways you can register to a single gatekeeper? or how many e.164 numbers can be registered to gatekeeper?

Hi Folks,I have setup a VG224 via MGCP and it is registered to the call manager. When I dial the DDi number I have assigned to the port internally I can hear the Fax machine (analog dial up tone). However, when I try to dial the number externally, th...