IP Telephony and Phones

Hi All,we have two UC520 conencted over VPN. when I call from main site to remote site and user in remote site doesn't answer the call, I get dead silence and it seems RTP traffic is not passing through VPN tunnel from CUE. but when I call from remot...

Hi All,we bought MCS7816 I4, I was trying to install CER 7.0 and it was unsuccessful. It seems 7816 I4 doesn't support 7.0 version. then I downloaded 7.1(1) ISO from cisco web site and mounted the DVD. now server can't be booted up from DVD. it seems...

Hello,I have a test CM 6.1 with a public IP, I am able to register phones from anywhere, however I'm only able to hear or talk only with the phones registered on the same segment. Any one can assist on why this happens and how it can be resolved?Than...

Hi,i have just upgraded my CUMA Server to 7.1.3.All my Enterprise Adapter Tests are successful and i´m able to activate users.Unfortunately i can´t provision a Iphone, either i use US / AT&T or any other provider.Is there anything i have missed ? I k...

Running Unity 5 on Exchange 2K7.  We have a 2K3 server and a 2K7 server.  About a month ago we started migrating users from 2K3 to 2K7.  And we ran permissions wizard on Unity and users have been working fine.Then a couple of weekends ago, we changed...

Hello Experts,I received an alert that a d-channel was out of service on our WDC gateway. I was hoping a ccm trace could provide me some insight as to why (is channel flapping, did gateway unregister and why?) I found a trace file that might help but...

Hi,i have 3 7845 CUCM appliances that will serve about 3000 phones. I'd like to know which could be the best services distribution across the 3 appliances.I have a multisite with centralized call processing and I will create 1 Publisher and 2 Subscri...

I am trying to set up my CME/CUE system so I can transfer a caller directly to a user's voicemail.  At the moment it goes to busy.  I am using CME 7.0(0), CUE 7.0 and an IOS of 12.4(20)t4.  Voicemail works and calls forward on no answer or busy just ...

END to END QOS:There are two sites and we are going to implement end to end Qos.Site1: Avaya IP phones are connected (Users)Site2: IPT Servers are connectedBandwidth Requirement is 9.6 Mbps between two sites for Voice traffic.Below is the topology De...

Hi all,I'm configuring ATA 186 right now and the ATA is already registered to CUCM using SCCP. To call outside number, i use 9 as an access code and i'm using mgcp gateway with E1 line to PSTN.I have configured the ATA with audio mode = 0x00150015 an...

Hi guys hope everyone is doing well I am trying to configure a Voice gateway  AS5400 to route call from ISDN  E1 to to a SIP server, I have configured the dial-peers , but when I  try to make a call form , I hear noise like a modem voice I have bee...

HIi have a problem with my CME 3.3 when i start to use regular expression in translation rulewhen ever i type\  it seem to me that there is a problemhere is my output when i pressed ? after i pressed \Cme(cfg-translation-rule)#rule 1 /1\? % trailing ...

Hello,I have a problem with a router 1760 using it as a Media Gateway.It has the following IOS version: IOS (tm) C1700 Software (C1700-SV8Y7-M), Version 12.3(2)XA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)Problem is as follow: I do a call and it goes w...