IP Telephony and Phones

Cisco 7800/8800/Jabber and feature comparison: on-premises vs MRA

Hello, we have some Cisco UC 10.x/11.x infrastructures (CUCM, CUP, CUC, CUCCX, ...), and we would like to add the Expressway nodes to get MRA. We would like to know a feature comparison between the classic on-premises scenario and the new MRA scena...

Jabber MRA Login Issue

Hello, I’m trying Jabber MRA, User can login internally without any issue. I have setup the Expressway C and E. traversal zone is active. And everything look OK as per the guide. The only thing that I have is my customer did not create the SRV re...

Resolved! Teleprsence srver 4.1 to 4.3 upgrade

Hi, I need to upgrade vertual Telepresence server 4.1 to 4.3 , what is the procedure for upgrading? Thanks

Does Dialer interface support CEF switching in ISR platform 15.5M&T train ?

Hi, Does Dialer interface support CEF switching in ISR platform 15.5M&T train ? In very old documents indicate dialer would not support CEF, but fast switching. I cannot find out latest update information in terms of this point on CCO now. Here I ca...

core dump 10.5.2.14071-1 .cucm imp

Helo all, Am getting lot of core dump alert from cucm and IMP.Is there any bug reported for this ? regards balaji

8831 Unusually Long Registering Time?

I have 8831s that I lend out on request. The first time I put these phones out to use they worked great - basically that was to test the phones and the jacks they would be connected to. Lately it seems that the phones take forever to register. From...

Prefixing a digit to redirecting number in MGCP setup

Hi Guys, I need to prefix a digit to redirecting number during call forwarding in an MGCP setup. Can someone please give me the exact steps to do the same. Regards, Gowrishankar

Cisco 7960 upgrade to SIP issues

Hi All, I have been trying to upgrade Cisco 7960G phone from SCCP to SIP for some time now without luck. First of all, I cannot find an "unlock phone" option on my 7960G phone so I can't erase the existing configuration. There is no password set up. ...

Resolved! UCM upgrade from 10.5.1 to 10.5.2

Hi, I want to upgrade UCM 10.5.1 to 10.5.2 & lots of phones are in branches over the WAN. I have 79XX (7942) & 8945 phones, how do i minimize the WAN utilization , waht is the best practice for this kind of situation? Thanks Suchi

Unity 9X voice mail backup

Hi, I need to backup one voicemail account (voicemails) from unity 9x, this server is not in production & how do i backup only one account in an easiy way? Thanks

Resolved! CUCM - helpdesk admin privilege minimal

hi all, I have a requirement to grant simple access to Helpdesk, in order for them to view/add/edit/delete phones and users only on the CUCM. They are not allowed make any other changes other than Device-->Phones User Management --> End Users As the...

Critical Error : CUCM 9.1.2 Installation failed with return-code 256

Hi all,The installation aborted with the following error message, any ideas on why this could happen? How can I access the mentioned path? How can I get the dump logs?

CISCO 9971 behind NAT at off site home

Good afternoon , We have a CME set up at one location that works perectly fine. I am wondering what ports are required to get a cisco sip 9971 to work at another location home router that is doing nat. If phone is pluged directly In to a active li...

BLF Subscribe on a IOS SIP Call.

Hi all, Good day. Do you know if it is possible to create a BLF in Cisco CUCM in order to monitor a port on a VG224 (Call Manager Sees that port as a route patter that uses a SIP trunk to point the VG 224)? I know the SIP protocol can subscribe even...

Toll Fraud and ACLs

I have toll fraud enabled with a list of trusted carrier IPs on them. I want to put an ACL in place that denies all traffic, except for the traffic coming from the trusted IPs list. Should I add the ip's from the trusted ip's list to the ACL and perm...

IP Telephony and Phones

Forum Posts

Cisco 7800/8800/Jabber and feature comparison: on-premises vs MRA

Jabber MRA Login Issue

Resolved! Teleprsence srver 4.1 to 4.3 upgrade

Does Dialer interface support CEF switching in ISR platform 15.5M&T train ?

core dump 10.5.2.14071-1 .cucm imp

8831 Unusually Long Registering Time?

Prefixing a digit to redirecting number in MGCP setup

Cisco 7960 upgrade to SIP issues

Resolved! UCM upgrade from 10.5.1 to 10.5.2

Unity 9X voice mail backup

Resolved! CUCM - helpdesk admin privilege minimal

Critical Error : CUCM 9.1.2 Installation failed with return-code 256

CISCO 9971 behind NAT at off site home

BLF Subscribe on a IOS SIP Call.

Toll Fraud and ACLs

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