Grandstream UCM Series Technical Training Q&A

Question 1: can the UCM be connected to an existing PBX like a Panasonic ns 700 or nec sl-100 to used the feature from the UCM

Answer: Yes, you will need to use Grandstream FXO gateways model GXW4108. We have a white paper on our website

Question 2: How to connect a cellular line to the UCM? Is there a Grandstream device for that?

Answer: You will need a GSM gateway (non-Grandstream) and add it to your UCM as a VOIP trunk

Question 3: Does Grandstream Affinity need to be installed on a PC that is directly connected to the UCM on the same network, if so how does that affect security if someone compromises the PC?

Answer: Yes, Affinity is a Windows-based software that needs to be connected to a PC on the same LAN as the GXP phone. Only models GXP16xx and 21xx supports it. You need to secure your PC as you normally do on normal operations.

Question 4: UCM as Open VPN server?

Answer: No, only as a client

Question 5: Is there a way to have an extension that is outside the PBX on another Asterisk server via SIP URI?

Answer: SIP URI is not recommended for security reasons. If you are sure to use this feature you need to “Allow Guest Calls”. Look for this setting in Sip Settings.

Question 6: where would we go for Grandstream support and documentation?

Answer: You can find more information at Grandstream’s product page and our technical support center.

For more information on Grandstream’s UCM Series please visit the product page or contact Joe Shanahan at 716-531-4316.

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