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BE6000 and SIP trunk

v-romanchuk
Beginner
Beginner

Hello!
Now we use Cisco IP telephony based on Cisco CME. Cisco CME is installed on 2821 router with IOS C2800NM-ADVENTERPRISEK9-M, Version 12.4(24)T7. A SIP trunk is configured between CME router and telephony provider.

We plan to upgrade our telephone system and begin using Cisco CBE6000. I study the documentation and in "Cisco Business Edition Unified Communications and Collaboration Solutions for Small and Midsized Companies", I find that for SIP trunk to works in CBE6000 a Cisco Integrated Services Router with Cisco Unified Border Element is required. Or other quote from this document "Public switched telephone network (PSTN) connections using SIP is available through any Cisco Integrated Services Router voice gateway".

 

In this regard there is a question: what is the functions of this router when I make a trunk between CBE6000 and telephony provider SIP gateway and whether it is possible to use existing Cisco 2821 router as such router.

 

Thanks.

17 Replies 17

adeebtaqui
Enthusiast
Enthusiast

Can anyone please share their experience with Cisco voip for Sip line.  

Need to provide the Cisco Voip solution for 3 location 

  1. Main office – 152 Connections
  2. Site Office 1 – 128 Connections
  3.  Site Office 2 – 70 Connections.

 SIP Line from service provider terminated at Main office consisting of 20 DID/20 DOD with 400 extensions.

Can I use cisco business edition 6000S for each location or cisco business edition 6000M as centralized for 3 locations together?

Hi,

You already have your question here;

https://supportforums.cisco.com/discussion/12759841/cisco-voip-sip-line

Suggest you to avoid duplicate post to get maximum attention.

- Vivek

Can C3925E-CME-SRST/K9 be used as call manager for 350 users as centralized deployment in main office and on sites 2951 SRST or is BE6000M required seperately?

Need to provide the Cisco Voip solution for 3 location 

  1. Main office – 152 Connections
  2. Site Office 1 – 128 Connections
  3.  Site Office 2 – 70 Connections.

 SIP Line from service provider terminated at Main office consisting of 20 DID/20 DOD with 400 extensions.

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