When purchasing these phones, make sure they are SIP, as these were available with several different firmware loads
You may end up with one used with Call Manager, and struggle to get the SIP firmware for it. In addition there were several versions of SIP firmware. None of the code will be available to you without proper credentials from Cisco John Novack Turritopsis Dohrnii Teo En Ming wrote:
Subject: I found an excellent guide: Configure Asterisk VoIP IP PBX SIP Server with Cisco IP Phones Good day from Singapore, Today 18 December 2020 Friday, I found an excellent guide on configuring Asterisk VoIP IP PBX SIP server with Cisco IP phones. I think the author explains very well and very clearly. The guide is certainly very detailed and well written. Title of Guide: Configure Asterisk with Cisco IP Phones Author: Tyler Winfield Link: http://docshare02.docshare.tips/files/6706/67061980.pdf Original website: http://minded.ca/ (no longer accessible) I am going to buy a cheap and used Cisco 7940 or 7960 IP phone for about SGD$20 and configure it to work with my FreePBX 15 and Asterisk 16 PBX appliance by following this guide. I will provide feedback and my own custom guide after I have done so. I just want to share this very excellent guide. Another excellent website is https://www.voip-info.org/ On the front page, it says: "Welcome to VOIP-info: a reference guide to all things VOIP." Sharing is caring. Thank you. Mr. Turritopsis Dohrnii Teo En Ming, 42 years old as of 18 December 2020 Friday, is a TARGETED INDIVIDUAL (TI) living in Singapore. He is presently an IT consultant with a System Integrator (SI)/computer firm in Singapore. He is an IT enthusiast.
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