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I am preparing to take the 640-802 CCNA exam and I am reading the Todd Lamelle Sybex book. I notices in most chapters the "Cisco Router and Security Device Manager" GUI interface is included. Does the exam really cover this application?

We are moving away from a front end Nortel PBX with a valcom paging system to full Call Manager. There are four zones for four different floors. We have experience tying out a paging system with one zone, but not with four. Would we just duplicate the four zone using a four port fxo card, one...

We have a small office in London that is asking if they can be included in our NY based centralized VOIP offering. They are interested in keeping their current phone number, and are wondering if they can have that and be set up with an MPLS link to our office, without subscribing to local PSTN...

Soes anyone know a basic calculation for figuring out how many DSP's are necessary on a gateway? Please share if you do. Thanks. Rgds, TJaw14

We have just completed a migration from Unity 4.0(5) running on a win 2000 platform to a Unity 4.2 running on a win 2003 platform. We tried to use exmerge to bring the old messages from the 2000 server using exmerge 2000 to the new server using the native exmerge 2003 ini file on the new...

Hi all, We are planning a migration in one of our offices from a Norstar to a cisco SRST remote site that will be tied to our office via a MPLS circuit. We will be continuing to route calls over the PSTN. We are planning on moving the RJ45 connection that is currently plugged into the Norstar...

Hoping someone here has had some experience re-provisioning a PIMG box when performing a Unity voicemail upgrade. If so, is there a config on the box? Do you need to restore to default and start from scratch to make the new Unity server see the new IP address. I am asking this because we have...

Hello all, Does anyone know if you can leave a message for all of your voicemail subscibers using a unity public distribution list. I want to be able to create a voicemail message and send it out to all of the unity voicmail subscibers at once. Is this possible? Any feedback is greatly...

Does anyone have a valcom paging set up with a call manager remote site router? I have the card I need for analog conversion for the router at the site, I just need to figure out the most basic pieces of equipment to implement overhead paging. The ceilings where I want to set this up won't...

Hi all, Can anyone help me with the command string for running a list of the area codes that are denied in my Option 11 system? I know to deny an area code you go into ld 90 under NPA, what load do you go into for a prt request? Any assistance would be much appreciated. Rgds, Tjaw14

Can anyone help me with what ports need to be opened on a firewall for netscreen remote access? Please assist. Thank you.

I have an executive asssitant who has a 2616 phone with her bosses two lines appearing on her phone. When she takes a call for her boss on her phone and puts the call on hold for him to pick up, her boss can't pick up the line. The assistant has to transfer the line back to her boss as if the...

Has anyone upgraded from Callmanager 4.2 to 5.0? Trying to figure out if the newer release is the way to go. So far I am inclined to believe it is better to go with 5.0 because it runs on a linux kernal, and offers CLI access. However I came accross some vulnerability notices on the web...

Can anyone explain the call set up and tear down process that takes place over the WAN in a centralized call processing build out? When a call comes into a remote site, what is the path/process of that incoming call from the pstn?

We are interested in building a centralized unity voicemail that will supply voicemail services over our MPLS WAN. What is the best approach to redundancy with this build out? Would it be best to set up an additional Unity for failover in another location? I am even wondering if it would be...

Anyone have any experience with centralized Unity voicemail that employs desktop messaging? Our Firewalls will handle QOS, Traffic Shaping and Priority Queuing, but we are not equipped to provide QoS end-to-end. Considering we have exchange servers at the central and remote sites, is this...

My company is exploring the idea of Centralized Call processing over our WAN VPN. We are looking at a central Call Manager publisher and subscriber in one office and setting up SRST routers with Unity servers in our remote offices so that the only traffice going over the WAN would be call set...