There are many reasons why the Grandstream UCM6102 stands out; it is extremely affordable, it is easy to install and it comes with the help you need to be up and making calls in no time at all. And it won the TMC 2014 Product of the Year award. This small IP-PBX office phone system allows you to keep traditional phone lines and still add the benefits of SIP (VoIP) lines, or just use it all VoIP. Made for small companies that want advanced call handling, it is both easy to setup and easy to configure. Connecting Grandstream IP phones has been simplified and as a package these systems have taken much of the difficulty out of installation.
For information: Grandstream UCM6202 & UCM6204
Grandstream makes several models of IP phones that connect right up the the UCM6100 Asterisk IP-PBX appliance. For a complete system buy the UCM appliance and the number of phones that you will need. The GXP2160 IP Phones (shown below) are well liked, are very durable and have excellent acoustic qualities along with a color LCD screen. Below that are GXP1700 series of SIP phones and winner of the 2017 Internet Telephony Product of the Year. Included in the GXP1700 series of mid-range IP phones are the GXP1760, the GXP1780 and the GXP1782. The GXP1760 offers support for up to six lines and three SIP accounts, as well as 24 programmable keys. Both the GXP1780 and GXP1782 support up to eight lines and four SIP accounts and offer 32 programmable keys. The difference between the the 1780 and 1782 is that the 1782 has dual Gigabit ports, while the 1780 instead has dual 10/100Mbps ports.
Security for any Asterisk or other IP PBX is paramount. Grandstream recognizes the importance of good configurations and best practices and gives UCM admin complete guidance on this important topic: Security Manual for the UCM61xx Appliance.
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