IP Telephony and Phones

Dialing paging extension then hangup causes busy signal broadcast

Our VOIP and paging system work well but if someone dials the extension for paging and hangs up before getting the tone, a three minute long fast busy signal is broadcast across all paging speakers. Cause? Solution? We're using Cisco Unity Call Manag...

Plantronics CS540 and CS55 headsets disconnect after 30 seconds

Hello everyone. We have about 5+ CS540 headsets as well as CS55 headsets as well. For awhile now, every now and then the headsets will disconnect after about 30 seconds. The call will resume, its just the headset that disconnects. We use cisco CP-784...

CUCM Callee being put on hold after picking up on-net call

I have users at one branch (at least) who are sporadically having an issue when they are called by someone (on-net), when they pick up the call (they always use just the handset, not speaker or headset) sometimes they will hear hold music as if the c...

Incoming calls to a PLAR phone.

I have a bunch of Talkaphone towers as well as a handful of elevators that I have configured for auto ringdown to a internal 911 call center. It is all working as expected except for one issue. When I call into any one of the towers or elevators the ...

Resolved! Ring Two Different Extension at the same time

There might be another feature I am missing, but essentially, this is what I am trying to accomplish: I have a user that will be spending half the week in one office, and the other half in the other office. Both of these locations have their own CUCM...

Can I use ISR 4331 or 4431 to support a small-size hotel with 50 rooms and 100 guest phones (with Voice mail)?

I got a pre-sales hotel business opportunity with 50 rooms and up to 100 guest phones. Client is a Cisco house, we proposed Cat-9500/9400/9300 as LAN switches. For value engineering concern, Can i spec ISR-4331 or 4431 with CME and Unity (voice mail)...

ip phone 8945 crash/reboot from h264 video stream

Hello, I would like to configure video stream between Cisco 8945 phones and regular softphone clients such as: Jitsi, Bria, Qutecom, Ekiga. So far my experience with the SIP894x.9-4-2SR2-2.loads firmware is that when a video is being requested the ph...

phone 7975 with 2 expansion module 7916

phone 7975 SCCP75.9-4-2SR1-1Stwo expansion 7916 module B016-1-0-4-2callmanager 11.0.1.20000-2 I configured the phone using SCCP, once the configuration was finalised I connected the phone - 1 x 7916 expansion modules - and its working fine , but when...

White phones with 3PCC ?

Hello, I cannot find part numbers both with "3PCC" and "W" - are there any white phones sold originally with 3PCC firmware? Is it possible to have any of the white Cisco IP phones with 3-rd Party Call Control? Thanks!

CP-8831-EU-K9

Dears, Kindly I have a customer asking about the ohm value in the IP Phone 8831-EU. I have checked several documents but this data is not available. Can anyone help me to find this value or advice how can I calculate the ohm value of the IP Phone. ...

Resolved! Cisco Webex URI Dialling

Hi, I want to buy webex. If I buy webex with URI feature enabled. Can I dial into a conference using 3rd party VCON devices like polycom group series? Thanks

Resolved! Remote Ping from Cisco IP Phone - 7800 & 8800

Hi Experts, CUCM: 11.5 SU47841 Firmware: sip78xx.12-1-1SR1-48841 Firmware: sip88xx.12-1-1SR1-4 I am trying to follow below document on how to ping from Cisco IP Phone, however, I am getting this error:The requested URL was not found on the web server...

Resolved! CISCO 8851 UPDATE

Hello we have 8851 telephone which must be configured with our SIP operator it is the operator KEYYO the problem is that I have to change the phone version and I can not do it the current version of telephones is sip88xx.12-0-1sr1-1 and we have a pho...

Resolved! Regenerating CUCM Certificates: Mass Update LSC

Hello all, Per the documentation linked below, it says that I must update the LSC on all phones when regenerating the CAPF Certificate. The process outlined looks fine for a few phones. I have several hundred to do. Is there any possible way to do ...

Resolved! Unity Connection Supervise Transfer Call Handler

Hello, in unity connection after we transfer the call directly to a extension with supervise transfer, in call handler, there is the parameter " Rings to Wait For". After that time ringing, if the call isn't answered, the call go to voice mail. There...

IP Telephony and Phones

Forum Posts

Dialing paging extension then hangup causes busy signal broadcast

Plantronics CS540 and CS55 headsets disconnect after 30 seconds

CUCM Callee being put on hold after picking up on-net call

Incoming calls to a PLAR phone.

Resolved! Ring Two Different Extension at the same time

Can I use ISR 4331 or 4431 to support a small-size hotel with 50 rooms and 100 guest phones (with Voice mail)?

ip phone 8945 crash/reboot from h264 video stream

phone 7975 with 2 expansion module 7916

White phones with 3PCC ?

CP-8831-EU-K9

Resolved! Cisco Webex URI Dialling

Resolved! Remote Ping from Cisco IP Phone - 7800 & 8800

Resolved! CISCO 8851 UPDATE

Resolved! Regenerating CUCM Certificates: Mass Update LSC

Resolved! Unity Connection Supervise Transfer Call Handler

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