Q1: Is it possible to edit backup file of UR32 or create one to add features?
Answer: It's impossible to open/edit the backup file for security concert, please upload it to the UR32 and configure more items that you need on web, then generate a new backup file.
Q2: What is the advantage of using 2 SIM cards of router? Does it perform better?
Answer: The advantage of using 2 SIM card is that one SIM can be backup for seamless network connection.
Q3: Can I backup and import router settings through ssh/scp/sftp except using backup feature in web GUI?
Answer: It's not supported but it's suggested to connect router to Milesight DeviceHub management platform which supports configurations in bulks.
Q4: How to set up OpenVPN Server in Milesight routers?
Answer: Please refer to articleHow to set up OpenVPN Server in Milesight routers?
If the cellular signal coverage is lost, how does the UR32/35 restore the connection?
Does the UR32/35 support Cellular network recover, OpenVPN server, DDNS?
UR32/UR35 will reload and check the cellular network by schedule. If it's recovered, the link-failover rule will switch to cellular again.
Yes, it does. UR32/UR35 will reload and check the cellular network by schedule. If it's recovered, the link-failover rule will switch to cellular again. UR35 has embedded OpenVPN server, and supports the dynamic DNS for sure.
Q6: Is it possible to send SMS through TCP in UR32?
Answer: Yes, you can go to "System->Phone&SMS->SMS" webpage to send SMS.
Q7: Can I use the UR75 as a FTP transfer?
Answer: Yes it can be a FTP server to import files into router via FTP.
Q8: Is it possible to activate the DO of UR32 via any command?
Answer: Yes, it's possible to trigger a DO using command according to the article How to Control DO on Milesight Routers.
Q9: Is there a limitation in password length regarding the SMTP Client configuration of UR3X? Are there some limitations regarding some special characters?
Answer: The limit is 31 characters and the general English characters, numbers, ASCII characters (33-126) are no problem.
Q10: UR32L does not have AUX antenna connector, does it affect the network performance?
Answer: No, the AUX antenna will have just a little influence of the download speed and network connection
Q11: Can VoIP phone connect to LAN port of UR35?
Answer: Yes, but UR35 can't work as VoIP server but only uses as a network device to provide network for your VoIP phone.
Q12: What fallback mode does UR35 use between 2 SIM from various telco operators? Active-active or active-standby?
Answer: UR35 could only register one SIM at a time so the status is active-standby.