IP Phones

Cisco IP phone issue

We are on the CUCM 6.1 - I have a phone where the vm light and prompt is not working. I don't believe it's the phone because I rebuilt a new phone and am getting the same issue. The other phones at her office do have this issue and each one is setup the same. Is there something outside of the...

Switchvox AA350

I have a switchvox AA350 SMB server in my organization which I run. Recently I aquired analog lines for external calls. I put two of the lines into the switchvox (the server came with a four port anolg card)I configured the lines and I was able to make calls through my SIP phones.Yesterday I came...

Cisco 7905G IP Phone mysteriously unregisters from CallManager

I have 7905G ip phones that mysteriously unregister from call manager. The only way to restore service to phone is to restart phone. Has anyone experienced this?

IP phone configuration

what kind of firmware do i need, to set up an IP Phone system in an office and where can i find an example in formof a diagram?

Connect a Innovaphone product to a Nortel CS 1000 5.5.12 with SIP

I would like to setup a Innovaphone IP302 between a KIRK1500 DECT system and a Nortel CS1000 version 5.5.12 with SIP The communication between the Kirk1500 and the IP302 is OK The connection between the IP302 and the CS1000 is the problem! I receive the message forbidden on the CS1000, when I...

Cisco POE switch port flaps

I have a Cisco PoE switch flapping 3 of my 12 ports providing power to connected 3com hubs. The configuration is the same for all switch ports and is set at defaults. debugging poe events outputs the following which seems to indicate the switch is probing for an IP phone.

DHCP sever and how it work with ip phone

Iam i right in saying you alot of ip phone ask the dhcp sever for a address when there started up -- cant they just has a static address allocated to each handset on a vlan

Best cabling for VoIP

I have to chosse between the next options for a new office with VoIP for 100+ users: 1.- Have the IP Phones connected to the network and the PC to the IP Phone. 2.- Have two network connections, one for each PC and Other for each IP Phone. Please help me telling me wich is the recommended/better...

Can you connect a Cisco 7940 desktop IP phone through a wireless switch/bridge to a Cisco access point?

Is it possible to connect a Cisco 7940 desktop IP phone through a wireless switch or bridge to a Cisco access point (AP) and make it work? I am having problems with this setup. It is most probably unsupported but we sure would like to make it work. Thanks!

What are the advantages and disadvantages of migrating from legacy phones to IP phones?

What are the advantages and disadvantages of migrating from legacy phones to IP phones? If you've gone through this process, please advise. Thanks.

Desktop Wireless IP Phone

We are trying to get a desktop 7940 ip phone to work through a wireless bridge/switch that connects wirelessly to a cisco access point. I've checked with a couple of product vendors (Linksys) who told me that this was unsupported. They believe that it is possible but couldn't tell me how to set...

VoIP VLAN over bridge

I am extending a subnet over T1 bridge using Adtran 3205 routers. The host site is connected via Cisco 2801 router with a switch card to th e HQ site. The remote site is connected to the host site by the bridged Adtran's. The switch at the remote site is a Cisco C2960. I connected a PC to the...