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How many boards does U1980 support

U1980 provides 10 slots:
Slots 0 and 1 are control board slots used to install the IP PBX-SMCU boards.
Slots 2 to 9 are used to install interface boards and SC1-MRS boards, and the boards are slot compatible.

Other related questions:

How many virtual PBXs does U1900 support

U1900 supports a maximum of 252 sub-PBXs.

How many conferences and participants does an MTU board support

An MTU board supports a maximum of 20 conferences and 60 participants.

How many conferences and participants does the U1910/U1930/U1960/U1980 support

The U1910/U1930 supports a maximum of 4 conferences and 12 participants. A conference supports a maximum of 12 participants. The U1960 supports a maximum of 120 conferences and 360 participants. A conference supports a maximum of 60 participants. An MTU board supports a maximum of 20 conferences and 60 participants. The U1980 supports a maximum of 320 conferences and 960 participants (with 8 MRS boards equipped). A conference supports a maximum of 120 participants. An MRS board supports a maximum of 40 conferences and 120 participants.

How many concurrent calls does an E1 line of U1980 support

An E1 line of the DTU4 board on U1980 supports 120 concurrent calls over the PRI trunk.

How many blacklists and whitelists does U1980 support?

A maximum of 10000 personal blacklists and whitelists, and a maximum of 5000 (half of the user quantity) system blacklists and whitelists can be configured on U1980. For more information, see the U1980 product documentation.

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How many boards does U1980 support

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