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Height of the U1980 unified gateway

The U1980 uses the 6 U (1 U = 44.45 mm) standard subrack, and its dimensions (H x W x D) are 264 mm x 436 mm x 420 mm.

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How do I reset the password for the U1900 series unified gateways

During the device restart, enter R when the system prompts you to press R to restore the default password. At the prompt "[.Conform to restore password.](Y/N):>", enter Y. The following information is displayed: Success to restore default password! Success to save default password! Then, you can use the default password to log in to the gateway.

How do I change the time of the U1900 series unified gateways

Run the config system date command to change the time in YYYY-MM-DD format.

Can extranet users on the U1980 register with the gateway through the VPN?

SIP users on the U1980 can register with the U1980 voice gateway through the VPN. Customers must ensure the security of the VPN to prevent toll fraud after public users forcibly register with the gateway.

Boards on the U1960 unified gateway

The boards used vary depending on the U1900 model. - U1960/U1981/U1911: SCU/SCUB, MTUA/MTUB, BTU, ASI, and OSU - U1980: SMCU, MRS, DTU-4, and DTU-8 - U1910/U1930: CVP, ASI, and OSU - SoftCo 9500: IP PBX-SMCU, SC1-MRS, SC1-DTU-4, and SC1-DTU-8 - SoftCo 7500: SCU, MTU, BTU, ASI, and OSU - SoftCo 5500: CVP, ASI, and OSU - SoftCo 3500: CVP, ASI, and OSU

How to deploy and upgrade the U1900 series unified gateway

For detailed deployment and upgrade methods, see the upgrade guide of the U1900 series unified gateway:

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Height of the U1980 unified gateway

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