IP Telephony and Phones

Hi all!We have internal calls to other department from sccp and sip phonesNeed register sip provider to have external calls I configure network interface and add provider ip addresWhen i try register provider from sip-uasip-uaregistrar 1 ipv4:externa...

Folks, I am trying to conference an external party (PSTN) which leads to the call drop. Phone A, B C = IP PhonesMobile = Thru PSTNScenario,Phone A  calls Phone B, then Phone A presses conf button to dial Phone C - Successful.Phone A calls Phone B thn...

Hi, Guys.Have setup cube sip trunk to ITSP, incoming and outgoing calls are working. Except for an incoming call with g722 codec and video h263 (just need voice call). The called number does not even ring. The caller informed that his using polycom p...

Hi FriendsI have 8 pstn lines and hav 2811 router, 3750 Poe, I want to configure ip telephone system, how can i route the pstn lines torouter and How many cards do i need? if it us FXO Card. Can 2811 Support 2 FXO 4 Port (Two VIC2- 4FXO so i can get ...

Hi All, I like to run SBC SP in CSR 1000 v , but when I type "sbc" command, it says "command doesn't exist". is there any license I need to enable first?  thanks Alex 

How to Block Calls from outside to specific extension in call manager express?

 Hello There, I have been reading all through docs and CSC discussion forum regarding  "CUCM compatibility with SRST " where Cisco Doc says "Cisco Unified Survivable Remote Site Telephony (SRST) does not depend upon Cisco Unified  Communications Mana...

DearsI get the error attached  when I try to access cucm subscriber from the drop doan box in serviceability page. I tried the following but no success, which else more certificates I have to regenerate.set cert regen tomcatutils service restart Cisc...

Hello, we use the 8831 with 802.1x. I could not find where i can enter the MD5 shared secret within the Phones security settings.Under security setup - 802.1x Authentication  i only can enable Device Authentication and check the Transaction Status. T...

I am unable to install CUCM 8.6 on Vmware Workstation 10 . I am getting the following error . Please suggest deviceError - Cannot open root device = "Label" or unknown block (0,0)Please append a correct "root =" boot optionkernel panic - not syncing ...

Hello Folks,Good Day!Today we have faced an issue that the call comes from Cluster A to Cluster B via SIP Trunk, the phone of cluster A holds the call of Cluster B's phone and after around 20 seconds the call disconnects automatically.. As per the di...

Do you know if the Call Center that is built into UCM can do the following:·         Allow agents to listen in on conversations·         Provide Real Time stats in any way