IP Telephony and Phones

What do you guys think is the best way to control access from the data vlans to the voice vlans? I was thinking access-list on the voice vlan interface with the ability for internet and admin functions to the servers such as HTTPS, RDP and SSH. Opi...

The phone will not ring at its destination. It goes straight to voicemail. The end user has recycled the phone and I have reset it on the CallManager side. Any suggestions?

Hello, I have CCM 5.0 with CUM version 5 as well. I have configured a SIP trunk between the call Manager and the unity. Everything is working well but when unity dials a user to his home phone number for message notification the DTMF does not work. ...

Is it possible to set up phones in an office so that an ext (5023) is the primary person answering incoming calls from people that dont know what extension to dial rather than ext (5010)??so basically What I'd like to do is setup ext 5023 to ring on ...

I have a need to allow users to dial *82 to unblock their telco blocked caller id block. I setup a dial peer, but it does not seem to pass the *82, or it is passing, but I need to insert a pause. Anybody know how to get around this? Here is my cur...

It used to be when you called an extension, it would ring five times and then instantly the call would connect to the unity voice mail box tied to that DN.Now, when you call an extension it still rings five times, but then you hear a pause and then i...

Hi,I am trying to get the backup working from CCM 5.1.2.I have a server running an SFTP server and I have confirmed I can send files to this server via an SFTP client.I have configured the Callmanager and it accepts the Server Name, IP Address, Path ...

Hi All,I need to prefix a 0 to all the outgoing calls in order to use the redial button on the phones. Let's say I receive a call from the number 02010304, when I hit the redial button I would need the callmanager to prefix a 0 in the outbound direct...

Hello friends,I have a callmanager express 4.1 and it has been working fine until recently. Below is the except of the configuration.voice-port 0/0/1 connection plar opx 8533ephone-dn 22 number 4935ephone-dn 23 number 8533ephone-dn 24 number 3333e...

I've read through many of the IP Multicasting issues but still can't get mine resolved so I thought I'd give this one more shot. We have two VLANs on our network (data - VLAN 1, and voice VLAN 23). The core switch is a 4510 and the IDFs are 3560's....

Hi,I am using cisco 3845 router as voice gateway and running voice serice over that using E1 which is connected to a EPBX.I am using only 3 dial-peers (2 for VoIP and other one is POTS). I have 20 sites with similar kind of setup and have 2 gatekeepe...

Hi,I would like to know whether the cisco 2800 and 3800 are fitted by default with DSP ressources, or do we need to order systematically DSP modules.thanks.