[cisco-voip] Voice Hardware Questions

[steve.siltman at assurant.com]

The LEC came back with "No Facilities Available" and doubled our cost to 
connect to another CO.  Not sure how far away the other CO is.

With the inability to do CID on the Trunk group of DID's.  we are throwing 
in an order for 8 to 12 POTS lines and going with option 2.  Looking into 
the  EVM-HD-8FS/DID & VIC-4FXS/DID modules to see if they can work with 
each other to support up to 12 POTS lines. 



Steve Siltman
Assurant, Inc.
Senior Network Analyst
Work: 651-361-4752
Cell: 651-336-5563
steve.siltman at assurant.com



Wes Sisk <wsisk at cisco.com> 
02/15/2006 08:37 AM

To
steve.siltman at assurant.com
cc
cisco-voip at puck.nether.net
Subject
Re: [cisco-voip] Voice Hardware Questions






what reason does the telco offer for not being able to deliver a t1/pri to 
the site?  if it's because of physical distance you're going to have a 
challenge. the voice quality tends to suffer on long analog lines with 
most Cisco analog voice port modules.

"trunk group of DID's with no CID" sounds like what we call t1-cas or 
robbed bit signaling, or a voice trunk.  it gives you 24 channels of voice 
on a T1.  your vwic2-1mft-t1/e1 would be the proper termination for this.

/Wes
On Feb 14, 2006, at 12:03 PM, steve.siltman at assurant.com wrote:


I've been getting conflicting answers to hardware needed for a new remote 
site we are setting up.  I blame myself more due to the fact that I'm 
still very green at this stuff and my inability to ask the question 
intelligently enough.  I wanted to throw this at the trusty cisco-voip 
group of peeps. 

New Remote Office Equipment: 
Cisco 2821-V/K9 with PVDM2-32U48 using a VWIC2-1MFT-T1/E1 

Having an issue with the LEC on getting a T1/PRI into the office. 

The choices we have been given: 

1.  Backhaul a T1/PRI to a CO thats farther away but the costs just 
doubled. 
       - I can use the above equipment with this option but do I have to 
worry about distance to the CO? 

2.  Analog group of lines (8 POTS lines) 
      -  With this option, my Multi-Flex T1 card is useless.  Will the 
EVM-HD-8FS/DID module do the trick for me?   Can I use the DID ports on 
this module or do I need to add the EM-HDA-6FXO module? 

3.  Trunk group of DID's with no CID 
      - What hardware module would I need for this option?  This option is 
being talked about the most because of cost. 

I've got a Call Manager Cluster at the home office with this site using 
SRST if the wan link goes away.  I'm running CM 4.1(3)sr1. 

Any response would be appreciated.   This is our first remote office and 
its been challenging but loads of fun at the same time. 

Steve Siltman
Assurant, Inc.
Senior Network Analyst
Work: 651-361-4752
Cell: 651-336-5563
steve.siltman at assurant.com



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