Cisco 7940 IP Phones have a new boss : 3CX Phone System 12

Transition gradually to modern IP telephony with 3CX’s support for CISCO 7940 & 7960 phones3CX Phone System can be provisioned with Cisco 7940 IP Phones, and allow users to reduce their maintenance costs. This post will take you through the benefits of using 3CX Phone System with Cisco 7940.

Cisco 7940 IP phones stand proud on many a desk – they are good quality and look surprisingly good despite their age. Their problem – The Cisco Call Manager behind them; Cumbersome to manage, expensive to expand and yearly maintenance price is scary.

The solution – 3CX Phone System 12 – a modern IP PBX that will unify your communications whilst leverage your existing CISCO 7940 / 7960 investment.

3CX is cheaper than yearly CISCO Call Manager maintenance

A new 3CX Phone System license is actually cheaper in most cases than renewing your CISCO Call Manager license. And that’s not factoring in any consultancy fees that you might need to keep CISCO Call Manager running or any expansion costs you might have during the year such as adding or replacing phones. You’ll gain a whole host of features such as softphones for Android, iPhone, Windows and MAC – free of charge.

Reduce Deployment Cost & Retraining

By using your existing CISCO 7940 / 7942 / 7960 phones you will not only save greatly on the purchase of new IP Phones; You will also make deployment a lot easier. There is no need to go into each office and replace the phone. Especially in larger installations this can be a consideration. You will not need to retrain users – they will continue to use their trusted CISCO 7940 phones as they did before.

Expand your system with any IP Phone

Once you have migrated to 3CX you can expand your system with any popular IP Phone. Of course you can choose to buy new or refurbished CISCO 7940 / 7960 phones, but you can mix and match in more modern and cost effective IP Phones such as from snom or Yealink. Leverage SIP trunks, VoIP Gateways, softphones from popular vendors more easily and much more cost effectively.

How it works

The process is straightforward:

  1. Download and deploy 3CX Phone System for Windows.
  2. You will need to “SIP” your CISCO 7940 phones. CISCO Call Manager uses the proprietary SCCP protocol rather than the standard SIP protocol. Using a straight forward process you can upgrade your CISCO 7940 phones to SIP. A detailed guide can be found here.
  3. Provision your phones for 3CX as described in this detailed configuration guide:

So this year, beat the dreaded CISCO Call Manager Maintenance Bill and move to 3CX!

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  1. Mladen Gulan


    1) Snom must be written with the capital letter “S” just as Yealink
    2) SCCY-> did you mean SCCP instead?

    p.s. good article

    January 21, 2014 at 11:22 pm
    • Hi

      Thank you for your feedback. No, snom is written as snom. Yes i meant SCCY…

      January 22, 2014 at 9:35 am
  2. Nice article. I’ve been using these phones with 3cx for about 4 years now.

    January 22, 2014 at 11:39 am
    • Hi Justin, thanks for the heads up!

      January 29, 2014 at 4:53 pm
  3. Pingback: Cisco 7940 IP Phones have a new boss : 3CX Phone System 12 | technology newstechnology news

  4. Iain Kirk

    This is good to know, I wondered if they would work. Can you also say if the Cisco IP Communicator will also work?

    January 29, 2014 at 3:35 pm
    • Hi

      No Cisco IP Communicator is software that only works with Call Manager. You dont need it, 3Cx already comes with a much better software client.

      January 29, 2014 at 4:53 pm
  5. Well there is no doubt about 3CX phones I have write so many reviews on it with my self using it and also i have made an pic of my desk with it. The biggest fasility of voip for anyone is the mobility of you office and the cost saving. This is really nice post about 3CX phones.

    February 17, 2014 at 11:51 am
  6. when there will be a new course in Portugal ?

    February 18, 2014 at 2:36 pm
  7. Pingback: Revive your Cisco 7941 & 7961 IP Phones with 3CX Phone System v12