Is it possible to integrate Cisco Small Business products with CallManager?

Unanswered Question
Sep 15th, 2009

Hi all,

I have a customer who acts as a Service Provider for a number of small businesses in a multi-tenanted environment.  They provide voice services to their tenants (approx 800 users) using Cisco Communications Manager (formerly CallManager) version 6.1

Their tenants have been asking about the possibility of using Cisco IP Handsets remotely in a home office scenario.  We have looked at the most cost effective way of achieving this using Enterprise Cisco products e.g. Cisco 881 Security Router, 7941 IP Handset at remote end and a Cisco ASA at the main site, but this cost is prohibitive for most users.

A lot of these businesses are start ups and don't really want to spend hundreds of pounds when they can just use their own home phones.

Has anyone any experience of using Cisco Small Business products to set a VPN for remote users so that they can access their data remotely and use their IP handsets at home?

Any responses gratefully received.  There is a potential business opportunity here for any UK based organisations who think they can come up with a cost effective solution - would consider a revenue share.

Kind Regards


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Steven DiStefano Tue, 09/15/2009 - 06:57

Hi Mike,

Cisco Small Business products are for sub 100 market and interoperate under the suite we call SBCS.

I think you can find information about our Remote Teleoworker on this site which can use an SR520 or an 871 with phones behind it, and IPSec Tunnel back to the UC500.

About the phones, while SBCS UC500 can use either Cisco IP Phones or purpose build Small Business Pro phones (SPA5xx), the later run a tokenized version of SCCP (SPCP) so they will not work on ISR or Higher call control.  Only UC500.

However, these phones run SIP mode as well, and can be used with a hosted SP solution as the SIP Endpoints.  Maybe that is something to consider?



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